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About the job
Doctolib is hiring a Software Engineer with solid experience in Java and Kotlin. This position is based in Berlin and centers on building digital products that support both patients and healthcare professionals across Europe.
Role overview
This role involves working on software that aims to improve healthcare access and efficiency. The team values collaboration and a shared commitment to making a difference in the medical field.
What you will do
Collaborate with team members to design and implement new product features
Develop and maintain applications using Java and Kotlin
Help create solutions that make healthcare services easier to access and manage
Doctolib is hiring a Software Engineer with solid experience in Java and Kotlin. This position is based in Berlin and centers on building digital products that support both patients and healthcare professionals across Europe. Role overview This role involves working on software that aims to improve healthcare access and efficiency. The team values collaborat…
About dltHubdltHub is at the forefront of innovation, leveraging the dlt library, a leading open-source Python tool for data loading with approximately 4 million downloads monthly. We are on a mission to develop the next generation of AI-native data tools built upon our robust open-source foundation.Our team is agile and thrives on experimentation, automation, and user-centric AI workflows. Founded by seasoned data scientists and machine learning engineers, we have our roots in Berlin and a burgeoning presence in the United States.We are supported by prominent investors including Bessemer Venture Partners, Foundation Capital, Dig Ventures, and technical pioneers from Hugging Face, Instana, Matillion, and more. Our core values drive us: we communicate with courage, prioritize meaningful projects, automate continuously, maintain high energy, honor our commitments, and achieve success collectively. About the RoleAs we continue to enhance our AI-first data platform, we are seeking a passionate and entrepreneurial software engineer in Berlin. This role offers the opportunity to tackle data platform challenges related to ingestion, storage, performance, reliability, observability, and AI-enhanced developer experiences. If you are driven, eager to collaborate with a motivated team, and prioritize high-quality code and innovative data systems, this position is tailored for you.
Join our dynamic team as a Senior Front End Software Engineer, where you will play a crucial role in developing innovative front-end solutions for our platform. You will work closely with cross-functional teams to design, implement, and optimize user-facing features that enhance the overall user experience.
Join Delivery Hero as a Software Engineer II specializing in Golang for our Logistics team. In this role, you will contribute to the development of innovative solutions that streamline our global service technology.We are looking for passionate engineers who are eager to tackle complex problems and create scalable applications that enhance our delivery services.
About KAYAKKAYAK, a member of Booking Holdings (NASDAQ: BKNG), stands as a premier travel search engine. With billions of queries on our platforms, we assist travelers in discovering their ideal flights, accommodations, rental cars, and vacation packages. We are also revolutionizing business travel with our innovative corporate travel solution, KAYAK for Business.As part of KAYAK, you will join a travel company that oversees a diverse array of global metasearch brands, including momondo, Cheapflights, and HotelsCombined. From our startup journey to becoming an industry trailblazer, innovation drives us, and every team member has the chance to leave a lasting impact. Our commitment is to develop the most efficient travel search engine, simplifying the process for everyone to explore the world.Position OverviewWe are in search of a proficient mid-level Java backend developer dedicated to implementing new features and maintaining KAYAK’s cutting-edge search and booking technology. Collaborating with over 200 travel partners and connecting to more than 500,000 hotels and 550 airlines, you will play a pivotal role in a dynamic team that ensures seamless operations, aiding millions in finding optimal accommodations and travel routes every day!This is a Fixed Term contract until September 30, 2027.This role requires working from our Berlin office a minimum of three days per week.Key ResponsibilitiesEnhance search and booking algorithms to meet the needs of our largest global corporate clients.Develop and sustain high-performance integrations with third-party APIs (airlines, hotels, and rental car providers).Take full ownership of your designs, from concept to deployment, while upholding exceptional standards for code quality and performance.Engage in code reviews and architectural direction to ensure the K4B project remains modular and reusable as KAYAK expands its enterprise reach.QualificationsBachelor’s degree or higher in Computer Science or a related field.5+ years of experience in Java programming.Hands-on experience with the Spring ecosystem (Spring/Spring Boot) and familiarity with relational (SQL) and NoSQL databases (e.g., PostgreSQL, MySQL, Redis).Excellent English communication skills.Ability to design and implement engineering initiatives with a focus on performance and usability.
About Speechify Speechify builds text-to-speech tools that help over 50 million people turn reading materials, PDFs, books, Google Docs, articles, and websites, into audio. Users read faster, retain more, and access content in ways that work for them. Our products span iOS, Android, Mac, Chrome Extension, and Web App. Google named us Chrome Extension of the Year, and Apple recognized us with the 2025 Design Award for Inclusivity. Nearly 200 colleagues work remotely from around the world, drawing on experience from Amazon, Microsoft, Google, Stanford, Stripe, Vercel, and more. Role Overview: Senior Software Engineer, Windows/Desktop Applications This role is based in Berlin, Germany. The focus: building and evolving Speechify’s native Windows desktop applications. What You Will Do Design, architect, and develop native Windows desktop apps using Windows App SDK, WinUI (or similar), C#, XAML, and sometimes C++. Define and promote best practices for Windows development, covering code structure, performance, memory management, responsive UI, and compatibility across Windows 10 and 11. Lead accessibility improvements, ensuring apps work well with accessibility APIs like Microsoft UI Automation and that UI controls are usable for people with disabilities. Collaborate with product designers, UX researchers, QA, and other teams to plan features, shape UI/UX, and set the Windows platform roadmap. Own features from concept through design, implementation, testing, release, and ongoing maintenance, aiming for high quality and consistency. Troubleshoot and resolve complex issues, bugs, performance bottlenecks, memory leaks, and compatibility problems, while recommending sound architectural solutions.
Statista Inc. is hiring a Senior Software Engineer with strong experience in Rust and AWS APIs. This position is based in Hamburg or Berlin and centers on building and improving cloud-based applications. Role overview This role involves designing, implementing, and maintaining scalable software systems. The focus is on ensuring performance and reliability across Statista’s cloud solutions. Collaboration with cross-functional teams is a key aspect, as projects often require input from different technical and business areas. What you will do Develop and optimize applications using Rust and AWS APIs Design software solutions that scale and perform reliably Maintain and improve existing cloud-based systems Work with colleagues from various teams to deliver impactful features Requirements Professional experience with Rust Hands-on knowledge of AWS APIs Ability to design and maintain scalable, high-performance software Comfort working collaboratively to solve complex problems
About LeapsomeLeapsome is an innovative, AI-driven platform transforming HR practices for contemporary teams. Our mission is to enhance HR excellence and empower high-performing teams by automating, streamlining, and simplifying every HR process throughout the employee lifecycle — from onboarding and performance management to engagement and development. Crafted with user experience in mind, our platform promotes high adoption rates among employees, managers, and HR teams alike.Our VisionWe strive to make work meaningful for everyone and aim to reshape the future of work by becoming the premier People platform for HR excellence and high-performing teams. We support organizations in fostering environments where individuals can achieve their ambitions, learn collaboratively, and cultivate genuine motivation and engagement.With thousands of organizations globally placing their trust in us, Leapsome raised $60 million in Series A funding led by Insight Partners in March 2022. This investment is propelling the development of our intelligent platform, enhancing employee experiences, and facilitating our expansion into the US market.This is an exciting opportunity to join Leapsome and take part in reshaping the future of work!Your Role at LeapsomeJoin our collaborative and product-centric engineering team that is redefining the integration of quality assurance within software development. At Leapsome, QA is not an isolated function; it is a vital component of the engineering workflow. As a Senior Test Automation Engineer/Software Development Engineer in Test, you will collaborate closely with developers, product managers, customer success teams, and designers to ensure that every feature meets exceptional quality and user satisfaction standards.In this role, you will engage in hands-on testing, automation, and creative problem-solving. You will lead automation initiatives using tools like Playwright, refine incoming tasks, and assist in manual testing where necessary to support scheduled release processes. Moreover, you will play a crucial role in upholding the engineering team’s quality standards, advocating for best practices, and exploring innovative testing methodologies, including the use of AI.Key Responsibilities:Lead the design and implementation of automation frameworks utilizing tools like Playwright, ensuring scalable, reliable, and maintainable test coverage.Work in close collaboration with engineers throughout the development lifecycle to identify edge cases and potential issues early on.
Full-time|Remote|Germany, Berlin - Remote; Germany, Remote
Dataiku is the leading platform for AI success, serving as the enterprise orchestration layer for creating, deploying, and managing AI. Our platform enables teams to design and operate analytics, machine learning, and AI agents within a unified environment, ensuring the transparency, collaboration, and control that enterprises demand. Positioned above data platforms, cloud infrastructures, and AI services, Dataiku connects the entire enterprise AI stack, empowering organizations to implement AI across multi-vendor environments with centralized governance.The world's foremost companies trust Dataiku to operationalize AI, transforming it into a genuine business performance engine that delivers measurable value. To learn more, visit the Dataiku blog, LinkedIn, X, and YouTube.Why Join Engineering at Dataiku?At Dataiku, our on-premise, cloud, or SaaS-deployed platform integrates a variety of data science technologies, showcasing our commitment to quality and innovation. We bring together the best data and AI technologies, carefully selecting tools that genuinely enhance our offerings. From the latest large language models (LLMs) to our dedication to open source communities, you'll have the opportunity to work with a dynamic array of technologies and contribute to the collective knowledge of global tech innovators. Discover more about our Engineering culture at Dataiku here.Explore what we do at Dataiku by checking out our Key Capabilities, our GitHub page, and our Gallery, showcasing some example projects (please note that editing is limited and will be regularly reset).Our product, Dataiku DSS (Data Science Studio), is designed to empower users in their data science journey. For a more in-depth look, watch the demo here.
Join Zeta Global as a Senior Software Engineer specializing in Real-Time Ad Serving. In this critical role, you will be responsible for developing and optimizing our cutting-edge ad serving technologies to enhance user experience and drive engagement. Collaborate with cross-functional teams to design scalable solutions and troubleshoot complex issues in a dynamic environment.
About Enpal Enpal aims to build Europe’s largest renewable energy community by making solar energy accessible. Through a rental model for solar systems, electricity storage, and wall boxes, Enpal offers a bundled, all-inclusive solution. The company’s approach is digital, decentralized, and fully renewable, supporting rapid growth and direct action against climate change. Role Overview: Senior/Staff Software Security Engineer (F/M/X) This position is based in Berlin. The Senior/Staff Software Security Engineer will help protect Enpal’s applications throughout the Software Development Lifecycle (SDLC). Working closely with development, product, and DevOps teams, this role embeds security into every stage of software creation. Responsibilities include leading secure code reviews, running threat modeling sessions, and ensuring best security practices are followed. What You Will Do Build Secure Solutions: Deliver value in each development cycle, improving both customer experience and climate impact. Implement Shift-Left and Zero-Trust: Apply proactive security measures early and often, protecting applications, assets, and services from emerging threats. Develop Application Security Program: Collaborate with engineering and product teams to weave security into every phase of the SDLC, including design, development, testing, and deployment. Lead Threat Modeling and Risk Assessments: Organize threat modeling sessions, promote secure design, and carry out application-level risk assessments. Provide Security Training and Mentorship: Guide and train developers on secure coding practices, serving as a hands-on advisor. Why Join Enpal? Enpal offers a collaborative workplace focused on speed, agility, and growth. The company’s mission to make sustainable solar energy widely available depends on strong teamwork across software, product, and agile business units. This is a chance to advance your career while contributing to a sustainable future.
Note: This position requires relocation to our Milan office.About SatispayAt Satispay, we aim to transform everyday payments into a straightforward, equitable, and accessible experience for all. Our mission now extends to shaping the future of financial transactions.We are a dynamic movement empowering millions, united by our ambition to confront significant challenges. Our fast-paced culture encourages bold thinking, collaboration, and continuous growth.If you seek more than just a typical job—if you're eager to collaborate with a talented team to create something meaningful—you've come to the right place.Your ResponsibilitiesAs a Senior Backend Software Engineer within the Business Team, you will be instrumental in designing the future of digital welfare payments, overseeing everything from employer benefits to intricate product offerings. Your role will encompass the entire journey for employers and employees, ensuring their long-term satisfaction. You will guide the technical direction, maintain quality, and ensure the delivery of complex systems affecting multiple services that enable thousands of employers to manage their corporate welfare efficiently. Here’s what a typical day looks like:Develop Multi-Service Solutions: Lead technical analysis for medium to large projects that affect multiple services in the Employer domain. Design comprehensive, reliable solutions with a focus on scalability, security, and maintainability for products that define the core of welfare.Maintain Technical Quality: Implement strong testing strategies that balance automation with manual oversight, and manage gradual rollouts with stringent monitoring to ensure precision and reliability in welfare distributions.Proactively Address Challenges: Anticipate and resolve technical challenges, fostering knowledge sharing within the organization. Tackle unique B2B registration flows and high-volume benefit allocations while ensuring code quality through diligent reviews.Ownership of Execution: Take full responsibility for your projects from conception to completion, delivering features that truly address user needs—from the employer's signup process to the employee's first use of welfare benefits—through seamless backend integration.
Join us at Delivery Hero as a Senior Manager in Software Engineering focused on Logistics and Time Estimations, where your efforts will enhance the customer experience globally.As part of our Logistics Team, you will confront significant challenges aimed at making last-mile delivery not only efficient and affordable but also sustainable. Your contributions will directly improve the experiences of riders, end customers, and merchants worldwide. Each improvement you implement will assist Delivery Hero in optimizing delivery operations, facilitating our expansion into new domains such as grocery and retail.Our domain prioritizes creating a predictable, explainable, and trustworthy delivery experience throughout the order lifecycle. We achieve this by leveraging data to make accurate predictions, setting customer expectations prior to order placement, managing any deviations post-order, and providing clear and reassuring order tracking to maintain trust even when circumstances diverge from the initial plan.Your Mission:Lead the teams responsible for developing the foundational components of our customer time prediction systems.Ensure high reliability and performance of multiple low-latency, high-throughput systems that generate time predictions, focusing on enhancing domain-level service level objectives (SLOs) and service level agreements (SLAs).Collaborate with Product, Operations, and Analytics to maximize the impact of engineering on business KPIs.Coordinate with stakeholders across various teams and work alongside other domain leaders in Logistics and Regional Brands to guarantee seamless integrations.Manage and mentor engineering managers and senior individual contributors across three squads, establishing a robust delegation framework to empower decision-making at the closest context.Shape the long-term vision of the domain by translating tribe-level objectives into a coherent technical roadmap while balancing feature development with reliability, cost efficiency, and modernization initiatives.
At Enpal, we envision a future where every home harnesses the power of solar energy, equipped with storage solutions and electric vehicles. Our innovative approach combines solar systems, battery storage, wall boxes, smart meters, and heat pumps into a comprehensive energy solution. Central to our mission is our AI-driven platform, Enpal.One+, seamlessly integrating thousands of systems to optimize energy procurement and market feed-in.Are you prepared to create tangible solutions that enhance daily living for countless households? What you build at Enpal will not only generate clean energy for tomorrow but will also transform our energy usage for the better.Your RoleAs a Senior Software Engineer, you will tackle intricate challenges in providing renewable energy solutions. Your responsibilities will range from digitalizing solar panel installation planning through engaging frontend applications, to developing APIs for real-time energy data, and managing scalable cloud infrastructure in Azure.We pride ourselves on our dynamic work culture that promotes rapid development and significant career advancement. Our commitment to making sustainable solar energy accessible to all thrives on a customer-focused mindset and collaborative efforts among software development, product management, and lean, experimental business strategies.Join us in refining your expertise, participating in the energy revolution, and together, we will take ownership of the sustainable changes we aspire to see in the world!At Enpal, you will:Develop Software. We focus on delivering incremental value with each iteration, celebrating improvements that enhance user experience and contribute to climate goals.Enhance Developer Satisfaction. We prioritize stability and automation, minimizing the need for manual regression testing and late-night deployments.Pursue Growth & Learning. Whether you’re well-versed in Kafka or just starting with Azure Bicep, we encourage sharing knowledge and will support your development journey.Contribute to Architecture & Vision. Your insights will shape our technical landscape and guide our future direction.
Join Our Team as a Senior Software Engineer (m/f/d)!At Flix, we are on the lookout for an enthusiastic and innovative Senior Software Engineer to enhance our Supply Division and elevate the customer station experience! With our rapidly expanding network, we aim to provide our worldwide customers with a comfortable and seamless travel experience at our stations.Our self-organized, cross-functional, and distributed team is dedicated to developing products that empower Flix station managers to efficiently manage station inventory. This is essential for various internal tech teams across Flix and significantly enhances the experience for millions of passengers.In this pivotal role, you will have the opportunity to drive innovation, tackle complex challenges, and make a lasting impact on our organization.About the RoleTake ownership of roadmap epics as a topic driver, aligning technical requirements and solutions with the product owner and your team.Collaborate closely with business stakeholders to continuously evolve and enhance the product vision.Utilize your expertise to identify and implement technological advancements, contributing to our mission of improving station management.
Attention: This position requires relocation to our Milan office.About SatispaySatispay is on a mission to transform everyday transactions, making them straightforward, equitable, and accessible for all. Our ambition is to redefine the future of money.We are a collective of innovators empowering millions, united by a common goal to address significant challenges. We are just getting started, moving swiftly, thinking daringly, and fostering a culture of trust that encourages us to question the status quo while learning and evolving along the way.As a member of the Core Team, you will engage with critical systems encompassing external bank interactions, payment orchestration, and the foundational infrastructure for Identity and Access Management (IAM). Moreover, the team manages risk-oriented services, particularly in credit risk management and fraud detection.If you're eager to contribute to impactful projects that form the backbone for all our product teams, you've found the perfect place.Your ResponsibilitiesAs a Senior Backend Software Engineer within the Core Team, you will be pivotal in crafting the infrastructure of our payment platform. Your role will encompass ensuring the technical excellence and delivery of intricate systems that influence various services and product teams throughout the organization.Your daily tasks will involve:Engine core platform domains: You will assist in the design and advancement of our most sensitive systems, such as the Transaction Ledger, IAM, and Payment Orchestration. You'll ensure these systems remain high-performing, scalable, and functional for seamless integration by our product teams.Scale risk & financial engines: You will enhance and implement services dedicated to bank integrations, credit risk, and real-time fraud detection, establishing robust logic to protect our source of truth and secure Satispay’s financial ecosystem.Cross-team technical leadership: You will spearhead technical analyses for projects that involve multiple services, leading discussions and producing comprehensive documentation (Smart Papers) to guarantee that your designs are robust and clearly understood by stakeholders and other engineering teams.
About UsHelsing is a cutting-edge defense AI company dedicated to safeguarding democracies. Our mission is to achieve technological leadership to enable open societies to maintain sovereign control over their ethical standards.We recognize our unique responsibility to thoughtfully develop and deploy powerful technologies such as AI, and we take this duty seriously.Our team comprises ambitious engineers, AI experts, and customer-focused program managers, all driven by a mission to tackle some of the most complex and impactful challenges. We foster an open and transparent culture encouraging healthy discussions about the ethical implications and benefits of technology in defense.The RoleJoin our Autonomous Air System Verification & Validation (V&V) team, where we create simulation and validation environments essential for rigorous testing of autonomous aerial systems prior to deployment. We develop Software-in-the-Loop (SiL) and Hardware-in-the-Loop (HiL) frameworks that allow engineers to integrate, test, and validate AI-driven functionalities against realistic hardware setups.Our projects involve navigating significant and unconventional technical constraints, adapting to a diverse range of dynamic environments, and addressing an expanding array of intricate use cases. The software we develop is used by individuals in high-risk and high-stress scenarios—covering mission planning, command and control (C2), and mission debriefing—requiring utmost reliability and seamless performance.By joining us, you will face exciting backend engineering challenges across various domains, contributing to solutions that have real-world implications.
About UsHelsing is at the forefront of defence technology, specializing in artificial intelligence. Our mission is to safeguard democratic values and ensure that societies maintain sovereignty over their ethical standards through advanced technology.As a team of dedicated engineers, AI experts, and program managers, we are committed to tackling complex challenges in our field. We actively seek individuals whose passion aligns with our mission to contribute to meaningful technological advancements. Our culture promotes open discussions about the implications and ethics of technology in defence, ensuring a thoughtful approach to innovation.The PositionJoin our Autonomous Air System Validation and Verification (V&V) team, where we create sophisticated simulation and validation environments essential for rigorously testing autonomous air systems. Our work involves developing Software-in-the-Loop (SiL) and Hardware-in-the-Loop (HiL) frameworks that facilitate the integration, testing, and assurance of AI capabilities against simulated and real-world hardware.The software we develop is designed to meet high standards despite unconventional technical constraints. It must adapt to various dynamic environments and cater to a growing array of demanding use cases. Our solutions are critical for real-world applications, from mission planning to command and control, necessitating high reliability and seamless operation.The role encompasses a wide spectrum of fascinating engineering challenges across multiple disciplines, and we value innovative solutions that drive our mission forward.
Cresta is dedicated to transforming every customer interaction into a strategic advantage by harnessing the full potential of contact centers. Our innovative platform merges cutting-edge AI with human expertise, enabling contact centers to uncover valuable customer insights, streamline conversations and processes, and empower team members to operate more efficiently. Founded by Sebastian Thrun, a visionary from the Stanford AI lab and the mastermind behind Google X, Waymo, and Udacity, our leadership team includes CEO Ping Wu, co-founder of Google Contact Center AI, alongside Tim Shi, an early member of OpenAI. We have gathered a stellar team of AI and machine learning specialists, market leaders, and esteemed investors such as Andreessen Horowitz, Greylock Partners, and Sequoia, along with former AT&T CEO John Donovan. Our esteemed clientele features renowned brands like Intuit, Cox Communications, Hilton, and Carmax, and we have been honored by Forbes and Bain Consulting as one of the premier private AI companies globally. Embark on an exhilarating journey with us as we revolutionize the contact center workforce through AI. The future of work is here, and it begins at Cresta!
Join Enpal as a Senior Fullstack Software Engineer in the innovative field of smart metering technology! We are seeking a talented and passionate engineer to help us develop cutting-edge solutions that redefine energy management and consumption. You will work with a dynamic team to create and enhance our fullstack applications, contributing to the entire development lifecycle, from conception to deployment.
Doctolib is hiring a Software Engineer with solid experience in Java and Kotlin. This position is based in Berlin and centers on building digital products that support both patients and healthcare professionals across Europe. Role overview This role involves working on software that aims to improve healthcare access and efficiency. The team values collaborat…
About dltHubdltHub is at the forefront of innovation, leveraging the dlt library, a leading open-source Python tool for data loading with approximately 4 million downloads monthly. We are on a mission to develop the next generation of AI-native data tools built upon our robust open-source foundation.Our team is agile and thrives on experimentation, automation, and user-centric AI workflows. Founded by seasoned data scientists and machine learning engineers, we have our roots in Berlin and a burgeoning presence in the United States.We are supported by prominent investors including Bessemer Venture Partners, Foundation Capital, Dig Ventures, and technical pioneers from Hugging Face, Instana, Matillion, and more. Our core values drive us: we communicate with courage, prioritize meaningful projects, automate continuously, maintain high energy, honor our commitments, and achieve success collectively. About the RoleAs we continue to enhance our AI-first data platform, we are seeking a passionate and entrepreneurial software engineer in Berlin. This role offers the opportunity to tackle data platform challenges related to ingestion, storage, performance, reliability, observability, and AI-enhanced developer experiences. If you are driven, eager to collaborate with a motivated team, and prioritize high-quality code and innovative data systems, this position is tailored for you.
Join our dynamic team as a Senior Front End Software Engineer, where you will play a crucial role in developing innovative front-end solutions for our platform. You will work closely with cross-functional teams to design, implement, and optimize user-facing features that enhance the overall user experience.
Join Delivery Hero as a Software Engineer II specializing in Golang for our Logistics team. In this role, you will contribute to the development of innovative solutions that streamline our global service technology.We are looking for passionate engineers who are eager to tackle complex problems and create scalable applications that enhance our delivery services.
About KAYAKKAYAK, a member of Booking Holdings (NASDAQ: BKNG), stands as a premier travel search engine. With billions of queries on our platforms, we assist travelers in discovering their ideal flights, accommodations, rental cars, and vacation packages. We are also revolutionizing business travel with our innovative corporate travel solution, KAYAK for Business.As part of KAYAK, you will join a travel company that oversees a diverse array of global metasearch brands, including momondo, Cheapflights, and HotelsCombined. From our startup journey to becoming an industry trailblazer, innovation drives us, and every team member has the chance to leave a lasting impact. Our commitment is to develop the most efficient travel search engine, simplifying the process for everyone to explore the world.Position OverviewWe are in search of a proficient mid-level Java backend developer dedicated to implementing new features and maintaining KAYAK’s cutting-edge search and booking technology. Collaborating with over 200 travel partners and connecting to more than 500,000 hotels and 550 airlines, you will play a pivotal role in a dynamic team that ensures seamless operations, aiding millions in finding optimal accommodations and travel routes every day!This is a Fixed Term contract until September 30, 2027.This role requires working from our Berlin office a minimum of three days per week.Key ResponsibilitiesEnhance search and booking algorithms to meet the needs of our largest global corporate clients.Develop and sustain high-performance integrations with third-party APIs (airlines, hotels, and rental car providers).Take full ownership of your designs, from concept to deployment, while upholding exceptional standards for code quality and performance.Engage in code reviews and architectural direction to ensure the K4B project remains modular and reusable as KAYAK expands its enterprise reach.QualificationsBachelor’s degree or higher in Computer Science or a related field.5+ years of experience in Java programming.Hands-on experience with the Spring ecosystem (Spring/Spring Boot) and familiarity with relational (SQL) and NoSQL databases (e.g., PostgreSQL, MySQL, Redis).Excellent English communication skills.Ability to design and implement engineering initiatives with a focus on performance and usability.
About Speechify Speechify builds text-to-speech tools that help over 50 million people turn reading materials, PDFs, books, Google Docs, articles, and websites, into audio. Users read faster, retain more, and access content in ways that work for them. Our products span iOS, Android, Mac, Chrome Extension, and Web App. Google named us Chrome Extension of the Year, and Apple recognized us with the 2025 Design Award for Inclusivity. Nearly 200 colleagues work remotely from around the world, drawing on experience from Amazon, Microsoft, Google, Stanford, Stripe, Vercel, and more. Role Overview: Senior Software Engineer, Windows/Desktop Applications This role is based in Berlin, Germany. The focus: building and evolving Speechify’s native Windows desktop applications. What You Will Do Design, architect, and develop native Windows desktop apps using Windows App SDK, WinUI (or similar), C#, XAML, and sometimes C++. Define and promote best practices for Windows development, covering code structure, performance, memory management, responsive UI, and compatibility across Windows 10 and 11. Lead accessibility improvements, ensuring apps work well with accessibility APIs like Microsoft UI Automation and that UI controls are usable for people with disabilities. Collaborate with product designers, UX researchers, QA, and other teams to plan features, shape UI/UX, and set the Windows platform roadmap. Own features from concept through design, implementation, testing, release, and ongoing maintenance, aiming for high quality and consistency. Troubleshoot and resolve complex issues, bugs, performance bottlenecks, memory leaks, and compatibility problems, while recommending sound architectural solutions.
Statista Inc. is hiring a Senior Software Engineer with strong experience in Rust and AWS APIs. This position is based in Hamburg or Berlin and centers on building and improving cloud-based applications. Role overview This role involves designing, implementing, and maintaining scalable software systems. The focus is on ensuring performance and reliability across Statista’s cloud solutions. Collaboration with cross-functional teams is a key aspect, as projects often require input from different technical and business areas. What you will do Develop and optimize applications using Rust and AWS APIs Design software solutions that scale and perform reliably Maintain and improve existing cloud-based systems Work with colleagues from various teams to deliver impactful features Requirements Professional experience with Rust Hands-on knowledge of AWS APIs Ability to design and maintain scalable, high-performance software Comfort working collaboratively to solve complex problems
About LeapsomeLeapsome is an innovative, AI-driven platform transforming HR practices for contemporary teams. Our mission is to enhance HR excellence and empower high-performing teams by automating, streamlining, and simplifying every HR process throughout the employee lifecycle — from onboarding and performance management to engagement and development. Crafted with user experience in mind, our platform promotes high adoption rates among employees, managers, and HR teams alike.Our VisionWe strive to make work meaningful for everyone and aim to reshape the future of work by becoming the premier People platform for HR excellence and high-performing teams. We support organizations in fostering environments where individuals can achieve their ambitions, learn collaboratively, and cultivate genuine motivation and engagement.With thousands of organizations globally placing their trust in us, Leapsome raised $60 million in Series A funding led by Insight Partners in March 2022. This investment is propelling the development of our intelligent platform, enhancing employee experiences, and facilitating our expansion into the US market.This is an exciting opportunity to join Leapsome and take part in reshaping the future of work!Your Role at LeapsomeJoin our collaborative and product-centric engineering team that is redefining the integration of quality assurance within software development. At Leapsome, QA is not an isolated function; it is a vital component of the engineering workflow. As a Senior Test Automation Engineer/Software Development Engineer in Test, you will collaborate closely with developers, product managers, customer success teams, and designers to ensure that every feature meets exceptional quality and user satisfaction standards.In this role, you will engage in hands-on testing, automation, and creative problem-solving. You will lead automation initiatives using tools like Playwright, refine incoming tasks, and assist in manual testing where necessary to support scheduled release processes. Moreover, you will play a crucial role in upholding the engineering team’s quality standards, advocating for best practices, and exploring innovative testing methodologies, including the use of AI.Key Responsibilities:Lead the design and implementation of automation frameworks utilizing tools like Playwright, ensuring scalable, reliable, and maintainable test coverage.Work in close collaboration with engineers throughout the development lifecycle to identify edge cases and potential issues early on.
Full-time|Remote|Germany, Berlin - Remote; Germany, Remote
Dataiku is the leading platform for AI success, serving as the enterprise orchestration layer for creating, deploying, and managing AI. Our platform enables teams to design and operate analytics, machine learning, and AI agents within a unified environment, ensuring the transparency, collaboration, and control that enterprises demand. Positioned above data platforms, cloud infrastructures, and AI services, Dataiku connects the entire enterprise AI stack, empowering organizations to implement AI across multi-vendor environments with centralized governance.The world's foremost companies trust Dataiku to operationalize AI, transforming it into a genuine business performance engine that delivers measurable value. To learn more, visit the Dataiku blog, LinkedIn, X, and YouTube.Why Join Engineering at Dataiku?At Dataiku, our on-premise, cloud, or SaaS-deployed platform integrates a variety of data science technologies, showcasing our commitment to quality and innovation. We bring together the best data and AI technologies, carefully selecting tools that genuinely enhance our offerings. From the latest large language models (LLMs) to our dedication to open source communities, you'll have the opportunity to work with a dynamic array of technologies and contribute to the collective knowledge of global tech innovators. Discover more about our Engineering culture at Dataiku here.Explore what we do at Dataiku by checking out our Key Capabilities, our GitHub page, and our Gallery, showcasing some example projects (please note that editing is limited and will be regularly reset).Our product, Dataiku DSS (Data Science Studio), is designed to empower users in their data science journey. For a more in-depth look, watch the demo here.
Join Zeta Global as a Senior Software Engineer specializing in Real-Time Ad Serving. In this critical role, you will be responsible for developing and optimizing our cutting-edge ad serving technologies to enhance user experience and drive engagement. Collaborate with cross-functional teams to design scalable solutions and troubleshoot complex issues in a dynamic environment.
About Enpal Enpal aims to build Europe’s largest renewable energy community by making solar energy accessible. Through a rental model for solar systems, electricity storage, and wall boxes, Enpal offers a bundled, all-inclusive solution. The company’s approach is digital, decentralized, and fully renewable, supporting rapid growth and direct action against climate change. Role Overview: Senior/Staff Software Security Engineer (F/M/X) This position is based in Berlin. The Senior/Staff Software Security Engineer will help protect Enpal’s applications throughout the Software Development Lifecycle (SDLC). Working closely with development, product, and DevOps teams, this role embeds security into every stage of software creation. Responsibilities include leading secure code reviews, running threat modeling sessions, and ensuring best security practices are followed. What You Will Do Build Secure Solutions: Deliver value in each development cycle, improving both customer experience and climate impact. Implement Shift-Left and Zero-Trust: Apply proactive security measures early and often, protecting applications, assets, and services from emerging threats. Develop Application Security Program: Collaborate with engineering and product teams to weave security into every phase of the SDLC, including design, development, testing, and deployment. Lead Threat Modeling and Risk Assessments: Organize threat modeling sessions, promote secure design, and carry out application-level risk assessments. Provide Security Training and Mentorship: Guide and train developers on secure coding practices, serving as a hands-on advisor. Why Join Enpal? Enpal offers a collaborative workplace focused on speed, agility, and growth. The company’s mission to make sustainable solar energy widely available depends on strong teamwork across software, product, and agile business units. This is a chance to advance your career while contributing to a sustainable future.
Note: This position requires relocation to our Milan office.About SatispayAt Satispay, we aim to transform everyday payments into a straightforward, equitable, and accessible experience for all. Our mission now extends to shaping the future of financial transactions.We are a dynamic movement empowering millions, united by our ambition to confront significant challenges. Our fast-paced culture encourages bold thinking, collaboration, and continuous growth.If you seek more than just a typical job—if you're eager to collaborate with a talented team to create something meaningful—you've come to the right place.Your ResponsibilitiesAs a Senior Backend Software Engineer within the Business Team, you will be instrumental in designing the future of digital welfare payments, overseeing everything from employer benefits to intricate product offerings. Your role will encompass the entire journey for employers and employees, ensuring their long-term satisfaction. You will guide the technical direction, maintain quality, and ensure the delivery of complex systems affecting multiple services that enable thousands of employers to manage their corporate welfare efficiently. Here’s what a typical day looks like:Develop Multi-Service Solutions: Lead technical analysis for medium to large projects that affect multiple services in the Employer domain. Design comprehensive, reliable solutions with a focus on scalability, security, and maintainability for products that define the core of welfare.Maintain Technical Quality: Implement strong testing strategies that balance automation with manual oversight, and manage gradual rollouts with stringent monitoring to ensure precision and reliability in welfare distributions.Proactively Address Challenges: Anticipate and resolve technical challenges, fostering knowledge sharing within the organization. Tackle unique B2B registration flows and high-volume benefit allocations while ensuring code quality through diligent reviews.Ownership of Execution: Take full responsibility for your projects from conception to completion, delivering features that truly address user needs—from the employer's signup process to the employee's first use of welfare benefits—through seamless backend integration.
Join us at Delivery Hero as a Senior Manager in Software Engineering focused on Logistics and Time Estimations, where your efforts will enhance the customer experience globally.As part of our Logistics Team, you will confront significant challenges aimed at making last-mile delivery not only efficient and affordable but also sustainable. Your contributions will directly improve the experiences of riders, end customers, and merchants worldwide. Each improvement you implement will assist Delivery Hero in optimizing delivery operations, facilitating our expansion into new domains such as grocery and retail.Our domain prioritizes creating a predictable, explainable, and trustworthy delivery experience throughout the order lifecycle. We achieve this by leveraging data to make accurate predictions, setting customer expectations prior to order placement, managing any deviations post-order, and providing clear and reassuring order tracking to maintain trust even when circumstances diverge from the initial plan.Your Mission:Lead the teams responsible for developing the foundational components of our customer time prediction systems.Ensure high reliability and performance of multiple low-latency, high-throughput systems that generate time predictions, focusing on enhancing domain-level service level objectives (SLOs) and service level agreements (SLAs).Collaborate with Product, Operations, and Analytics to maximize the impact of engineering on business KPIs.Coordinate with stakeholders across various teams and work alongside other domain leaders in Logistics and Regional Brands to guarantee seamless integrations.Manage and mentor engineering managers and senior individual contributors across three squads, establishing a robust delegation framework to empower decision-making at the closest context.Shape the long-term vision of the domain by translating tribe-level objectives into a coherent technical roadmap while balancing feature development with reliability, cost efficiency, and modernization initiatives.
At Enpal, we envision a future where every home harnesses the power of solar energy, equipped with storage solutions and electric vehicles. Our innovative approach combines solar systems, battery storage, wall boxes, smart meters, and heat pumps into a comprehensive energy solution. Central to our mission is our AI-driven platform, Enpal.One+, seamlessly integrating thousands of systems to optimize energy procurement and market feed-in.Are you prepared to create tangible solutions that enhance daily living for countless households? What you build at Enpal will not only generate clean energy for tomorrow but will also transform our energy usage for the better.Your RoleAs a Senior Software Engineer, you will tackle intricate challenges in providing renewable energy solutions. Your responsibilities will range from digitalizing solar panel installation planning through engaging frontend applications, to developing APIs for real-time energy data, and managing scalable cloud infrastructure in Azure.We pride ourselves on our dynamic work culture that promotes rapid development and significant career advancement. Our commitment to making sustainable solar energy accessible to all thrives on a customer-focused mindset and collaborative efforts among software development, product management, and lean, experimental business strategies.Join us in refining your expertise, participating in the energy revolution, and together, we will take ownership of the sustainable changes we aspire to see in the world!At Enpal, you will:Develop Software. We focus on delivering incremental value with each iteration, celebrating improvements that enhance user experience and contribute to climate goals.Enhance Developer Satisfaction. We prioritize stability and automation, minimizing the need for manual regression testing and late-night deployments.Pursue Growth & Learning. Whether you’re well-versed in Kafka or just starting with Azure Bicep, we encourage sharing knowledge and will support your development journey.Contribute to Architecture & Vision. Your insights will shape our technical landscape and guide our future direction.
Join Our Team as a Senior Software Engineer (m/f/d)!At Flix, we are on the lookout for an enthusiastic and innovative Senior Software Engineer to enhance our Supply Division and elevate the customer station experience! With our rapidly expanding network, we aim to provide our worldwide customers with a comfortable and seamless travel experience at our stations.Our self-organized, cross-functional, and distributed team is dedicated to developing products that empower Flix station managers to efficiently manage station inventory. This is essential for various internal tech teams across Flix and significantly enhances the experience for millions of passengers.In this pivotal role, you will have the opportunity to drive innovation, tackle complex challenges, and make a lasting impact on our organization.About the RoleTake ownership of roadmap epics as a topic driver, aligning technical requirements and solutions with the product owner and your team.Collaborate closely with business stakeholders to continuously evolve and enhance the product vision.Utilize your expertise to identify and implement technological advancements, contributing to our mission of improving station management.
Attention: This position requires relocation to our Milan office.About SatispaySatispay is on a mission to transform everyday transactions, making them straightforward, equitable, and accessible for all. Our ambition is to redefine the future of money.We are a collective of innovators empowering millions, united by a common goal to address significant challenges. We are just getting started, moving swiftly, thinking daringly, and fostering a culture of trust that encourages us to question the status quo while learning and evolving along the way.As a member of the Core Team, you will engage with critical systems encompassing external bank interactions, payment orchestration, and the foundational infrastructure for Identity and Access Management (IAM). Moreover, the team manages risk-oriented services, particularly in credit risk management and fraud detection.If you're eager to contribute to impactful projects that form the backbone for all our product teams, you've found the perfect place.Your ResponsibilitiesAs a Senior Backend Software Engineer within the Core Team, you will be pivotal in crafting the infrastructure of our payment platform. Your role will encompass ensuring the technical excellence and delivery of intricate systems that influence various services and product teams throughout the organization.Your daily tasks will involve:Engine core platform domains: You will assist in the design and advancement of our most sensitive systems, such as the Transaction Ledger, IAM, and Payment Orchestration. You'll ensure these systems remain high-performing, scalable, and functional for seamless integration by our product teams.Scale risk & financial engines: You will enhance and implement services dedicated to bank integrations, credit risk, and real-time fraud detection, establishing robust logic to protect our source of truth and secure Satispay’s financial ecosystem.Cross-team technical leadership: You will spearhead technical analyses for projects that involve multiple services, leading discussions and producing comprehensive documentation (Smart Papers) to guarantee that your designs are robust and clearly understood by stakeholders and other engineering teams.
About UsHelsing is a cutting-edge defense AI company dedicated to safeguarding democracies. Our mission is to achieve technological leadership to enable open societies to maintain sovereign control over their ethical standards.We recognize our unique responsibility to thoughtfully develop and deploy powerful technologies such as AI, and we take this duty seriously.Our team comprises ambitious engineers, AI experts, and customer-focused program managers, all driven by a mission to tackle some of the most complex and impactful challenges. We foster an open and transparent culture encouraging healthy discussions about the ethical implications and benefits of technology in defense.The RoleJoin our Autonomous Air System Verification & Validation (V&V) team, where we create simulation and validation environments essential for rigorous testing of autonomous aerial systems prior to deployment. We develop Software-in-the-Loop (SiL) and Hardware-in-the-Loop (HiL) frameworks that allow engineers to integrate, test, and validate AI-driven functionalities against realistic hardware setups.Our projects involve navigating significant and unconventional technical constraints, adapting to a diverse range of dynamic environments, and addressing an expanding array of intricate use cases. The software we develop is used by individuals in high-risk and high-stress scenarios—covering mission planning, command and control (C2), and mission debriefing—requiring utmost reliability and seamless performance.By joining us, you will face exciting backend engineering challenges across various domains, contributing to solutions that have real-world implications.
About UsHelsing is at the forefront of defence technology, specializing in artificial intelligence. Our mission is to safeguard democratic values and ensure that societies maintain sovereignty over their ethical standards through advanced technology.As a team of dedicated engineers, AI experts, and program managers, we are committed to tackling complex challenges in our field. We actively seek individuals whose passion aligns with our mission to contribute to meaningful technological advancements. Our culture promotes open discussions about the implications and ethics of technology in defence, ensuring a thoughtful approach to innovation.The PositionJoin our Autonomous Air System Validation and Verification (V&V) team, where we create sophisticated simulation and validation environments essential for rigorously testing autonomous air systems. Our work involves developing Software-in-the-Loop (SiL) and Hardware-in-the-Loop (HiL) frameworks that facilitate the integration, testing, and assurance of AI capabilities against simulated and real-world hardware.The software we develop is designed to meet high standards despite unconventional technical constraints. It must adapt to various dynamic environments and cater to a growing array of demanding use cases. Our solutions are critical for real-world applications, from mission planning to command and control, necessitating high reliability and seamless operation.The role encompasses a wide spectrum of fascinating engineering challenges across multiple disciplines, and we value innovative solutions that drive our mission forward.
Cresta is dedicated to transforming every customer interaction into a strategic advantage by harnessing the full potential of contact centers. Our innovative platform merges cutting-edge AI with human expertise, enabling contact centers to uncover valuable customer insights, streamline conversations and processes, and empower team members to operate more efficiently. Founded by Sebastian Thrun, a visionary from the Stanford AI lab and the mastermind behind Google X, Waymo, and Udacity, our leadership team includes CEO Ping Wu, co-founder of Google Contact Center AI, alongside Tim Shi, an early member of OpenAI. We have gathered a stellar team of AI and machine learning specialists, market leaders, and esteemed investors such as Andreessen Horowitz, Greylock Partners, and Sequoia, along with former AT&T CEO John Donovan. Our esteemed clientele features renowned brands like Intuit, Cox Communications, Hilton, and Carmax, and we have been honored by Forbes and Bain Consulting as one of the premier private AI companies globally. Embark on an exhilarating journey with us as we revolutionize the contact center workforce through AI. The future of work is here, and it begins at Cresta!
Join Enpal as a Senior Fullstack Software Engineer in the innovative field of smart metering technology! We are seeking a talented and passionate engineer to help us develop cutting-edge solutions that redefine energy management and consumption. You will work with a dynamic team to create and enhance our fullstack applications, contributing to the entire development lifecycle, from conception to deployment.
