Senior Backend Engineer (m/f/d)

Join our innovative team at redcare-pharmacy as a Senior Backend Engineer and play a pivotal role in developing cutting-edge backend solutions. You will work closely with cross-functional teams to design, implement, and maintain robust systems that enhance our pharmacy services.

Join our innovative INSPO team as a Senior Backend Infrastructure Developer. In this role, you will leverage your expertise to design and implement robust backend solutions that support our growing infrastructure. Collaborate with cross-functional teams to ensure seamless integration and optimization of our systems, all while enjoying the flexibility of remote work.

Join Veeva Systems, a trailblazer in cloud technology for the life sciences sector, dedicated to delivering therapies to patients swiftly. With an impressive growth trajectory, we surpassed $2 billion in revenue last fiscal year and are poised for even more expansion.Our core values drive us: Integrity, Customer Success, Employee Success, and Agility. In 2021, we made headlines by becoming a public benefit corporation (PBC), committed to balancing the interests of our customers, employees, society, and investors.As a Work Anywhere organization, we empower you to work from home or in the office, ensuring you thrive in your preferred environment.Become part of our mission to revolutionize the life sciences industry, positively impacting our customers, employees, and communities.Role OverviewOpenData Clinical lays the groundwork for advanced clinical operations.The primary obstacle in clinical trials is patient recruitment. Delays in this process can hinder studies and prolong the delivery of life-saving treatments. Our mission is to expedite this critical process.By pinpointing the most effective clinical sites, we facilitate faster drug market entry, with the potential to save at least one life annually by enhancing clinical operations.In this role, you will create the backbone of our data quality engine and pipelines. Your contributions will enable countless curators to manage vast datasets swiftly and accurately, ensuring the life sciences industry possesses the high-quality data essential for speeding up clinical trials and drug development.This position is ideal for an engineer who prioritizes architectural integrity over quick fixes. You will thrive in an engineering-centric culture that values technical excellence and offers genuine autonomy for innovation.

Location: Remote / Berlin (Office available) | Language Requirement: Fluent GermanAt Deepslate, we are revolutionizing the field of communication by developing Speech to Speech Voice AI models that are indistinguishable from human voices.While giants like OpenAI and Google have made strides in text and imagery, and companies like Veo3 and Sora are rapidly advancing in video, the complexities of voice—encompassing its myriad languages, dialects, accents, intonations, and melodies—remain largely unsolved. This is the frontier we are tackling at Deepslate.With support from leading investors in the tech and AI sectors, as well as a prominent German VC fund, we are well-capitalized and moving swiftly to build the future of communication.Rather than creating another standalone platform, we aim to be the intelligence engine that powers numerous applications. Our technology can be integrated into existing Voice AI platforms or embedded directly into enterprise systems through our partners.Your RoleYour mission will be to design, scale, and fortify the backbone of our infrastructure.You will oversee everything from user management and agent systems to performance optimization and observability, laying the groundwork for future developments.What You'll Do:Help scale Deepslate and enhance accessibility for users worldwide:Architect & Implement: Design and develop innovative backend features by enhancing our core API framework.Scalability: Construct and expand infrastructure capable of handling thousands of simultaneous calls seamlessly.Reliability-First: Write robust, consistent code; prioritize advanced error handling and idempotency.Production Ownership: Diagnose and resolve live production issues, and create systems that prevent future occurrences.Elevate Our Engineering Quality:Tooling & DevEx: Develop internal tools that enhance developer experience and implementation efficiency.

P-1327 At Databricks, we are driven by a passion for empowering data teams to tackle some of the world’s most complex challenges. From revolutionizing transportation methods to speeding up medical innovations, our mission is to build and operate the leading data and AI infrastructure platform, enabling our customers to leverage profound data insights to enhance their business. Established by engineers, Databricks is embarking on an ambitious journey to develop the most advanced Lakehouse Platform. While we have a solid foundation, we aim to elevate our offerings to create significantly improved products. Our goal is to reimagine every component to provide our customers with the fastest, most user-friendly, and secure data platform for all their data workloads. As a Senior Software Engineer, you will be a key member of our Berlin site and play a pivotal role in our multi-year mission to realize our Lakehouse vision. You will engage in the entire development lifecycle and embody the core values of Databricks. The impact you will have: Our backend teams operate across various domains within our essential service platforms. You may encounter challenges such as: Addressing issues that encompass product development and infrastructure, including distributed systems, scalable service architecture, monitoring, workflow orchestration, and enhancing developer experience. Creating reliable, secure, and high-performance services and client libraries for managing and accessing massive amounts of data on cloud storage solutions, such as AWS S3, GCS, and Azure Blob Store. Developing product features that empower our customers to efficiently store and access their data.

Join Our TeamAt SumUp, our Sales & Order team is pivotal in developing the core Sales API and Receipt engines that drive our ecosystem. From hardware like POS systems to our Solo Card Reader, and software solutions such as Online Store and Online Payments, our aim is to simplify complex transaction data into a unified 'Sales' language. We empower teams to build independent features, ensuring seamless connectivity between sales, reporting, accounting, and fiscalization as we support merchants in scaling globally.As part of a dynamic, cross-functional team composed of Product Managers, Engineering Managers, fellow engineers, and occasionally Product Designers and Data Analysts, you will collaborate closely to innovate and enhance our offerings.Your RoleAs a Backend Engineer, you will not just write code; you will architect solutions that enable different SumUp products to communicate effectively. We foster a culture of extreme collaboration, engaging in daily pair programming, committing to high standards of 'clean' engineering, and adopting an 'AI-native' approach to accelerate our development processes.Key ResponsibilitiesDevelop and enhance high-performance Sales APIs and receipt engines using Kotlin and Spring Boot, ensuring scalability and resilience.Design and maintain robust data schemas and database interactions to manage complex transaction and sales data accurately at scale.Create and document clean, public-facing APIs that empower other engineering teams to integrate their features with the Sales Platform independently.Work on projects that link transaction data with essential business systems like reporting, accounting, and global fiscalization.Engage in pair programming to tackle complex concurrency and architectural challenges while maintaining superior code quality.Oversee the entire development lifecycle, including writing automated tests, managing CI/CD pipelines, and monitoring production service health.Utilize AI coding agents to automate repetitive tasks and enhance our delivery speed.Migrate mission-critical domain logic from external systems to streamline and centralize the 'Sales' experience within our ecosystem.Who You AreYou possess over 2 years of experience in backend engineering with the JVM stack, preferably using Kotlin and Spring Boot.You have a strong grasp of software design patterns and principles, enabling you to create efficient and maintainable code.

About GetYourGuideGetYourGuide stands as the world's leading marketplace for unforgettable travel experiences. Travelers utilize our platform to uncover the best activities in their chosen destination. Since our inception in 2009, over 150 million tours, activities, and attraction tickets have been booked through GetYourGuide by adventurers from around the globe. With a dedicated global team of more than 800 travel experts and technologists, we are proudly headquartered in Berlin, complemented by 17 local offices worldwide.The Mission:At GetYourGuide, technology is the driving force behind our growth. Our work within the Marketplace is transforming global travel experiences, and we invite you to join us in this endeavor.The features we develop facilitate seamless bookings for our customers while empowering our partners to expand their businesses. This complex task presents a remarkable opportunity to create extraordinary solutions that impact global travel. From building supplier infrastructures that enhance our partners' businesses to innovating marketplace features that propel our growth, you will have the chance to craft incredible solutions at GetYourGuide.Whether you're engaged in developing dynamic search algorithms or designing new features to accelerate our company's growth, your contributions will leave a lasting impact. Our teams consistently push boundaries, exploring innovative ways to bring the magic of travel to people around the world.We operate in cross-functional mission teams composed of backend and full-stack engineers, mobile engineers, data engineers, product managers, and designers.

About the Role:Join us as a Backend & Cloud Software Engineer, where you will play a crucial role in developing our innovative solutions that empower individuals and organizations in the AI age. You will work collaboratively with a dynamic team of engineers to enhance our backend systems and cloud infrastructure, ensuring the seamless operation and scalability of our applications.Key Responsibilities:Design, implement, and maintain backend services and cloud applications.Collaborate with cross-functional teams to define, design, and ship new features.Identify and resolve performance issues, ensuring high availability and low latency.Participate in code reviews and maintain high coding standards.Stay updated with emerging technologies and apply them to improve our systems.

About RemoteAt Remote, we are revolutionizing the way modern organizations tackle the complexities of global employment. Our mission is to empower businesses, regardless of size, to recruit, pay, and manage international teams with ease and compliance. With innovation at our core, our diverse team collaborates asynchronously from six continents to solve ambitious challenges. Join us in shaping the future of work, where every individual’s unique talents and experiences contribute to a world-class HR platform.If you are an energetic, curious, and ambitious individual, we invite you to apply and help redefine the future of work!The PositionAs a Senior Backend Engineer, you will collaborate with a talented cross-functional team of engineers across Frontend, Backend, SRE, and QA. You will be assigned to a specific vertical where you will contribute to building tools, APIs, and integrations for our innovative products.While the exact team will be determined during the interview process based on business needs and your preferences, you will be working with our backend technologies, primarily Elixir and Phoenix, alongside a Postgres database. We utilize React and Next.js for our frontend development and rely on GitLab for version control, issue tracking, and CI/CD. Our applications are hosted on AWS, and we take pride in our ability to deploy multiple times a day through our CI.

About the RoleWe are on the lookout for two highly skilled backend engineers to join our dynamic team in Berlin. You will be instrumental in advancing the development and implementation of our technology, enhancing our capacity to create core backend functionalities, and empowering other teams to utilize this backend for their projects.If you have a passion for creating exceptional products, thrive in a fast-paced environment, and are eager to contribute to the success of an ambitious startup, this is the perfect opportunity for you.Our Tech Stack:Python / FastAPIPostgreSQL / MongoDB / ElasticCloud LLM providers + bare metal GPUsGCPAs an early team member, you will assume significant responsibilities from day one, with the chance to influence our technological architecture and infrastructure.Join one of the most ambitious AI companies today, collaborating with a world-class team of experts in their fields, and experience an incredibly stimulating work environment. In This Role You WillLead the delivery of complex projects, coordinating with cross-functional teams, and ensuring timely completion of essential components.Develop a deep understanding of Reliant's vision and integrate this into your architectural and process decisions in daily operations.Offer insights to refine UI/UX concepts and assist in the planning of backend and infrastructure development.Take proactive responsibility for long-term code quality and architecture. About YouThe ideal candidate will have a proven track record in backend or full-stack development, with a focus on rapid innovation and effective systems design that supports growth opportunities for both the product and the team.To thrive in this role, you should possess the following skills and experiences:5+ years of demonstrated experience in building backend services or distributed systems.Ability to design, develop, test, and maintain backend services and APIs that support product features, including writing robust, production-quality code.Engage in system and service design; contribute to architectural discussions and make informed trade-offs regarding scalability, latency, cost, and reliability.Navigate ambiguity effectively; translate vague or high-level requirements into actionable implementation plans.Collaborate with cross-functional partners including product management, frontend, UX, data, and operations to define requirements, plan implementations, and deliver features.Ensure high code quality by writing, reviewing, and improving unit/integration tests; actively participate in code reviews.

Please note that this position is based in Berlin, Germany — relocation support is provided if required.THE BEST WORK OF YOUR CAREERTrade Republic is Europe’s leading savings platform, operating in 18 countries and trusted by over 10 million customers with more than €150 billion in assets. Our mission is to empower everyone to build wealth by providing easy, safe, and free access to financial systems.Join us and take your career to new heights while working alongside a team of exceptional talent and cutting-edge technology to create a positive impact for millions.WHAT YOU’LL BE DOINGDevelop and test services and products using advanced tools from the JVM ecosystem, including Kotlin, Spring, Vert.x, Hibernate, or jOOQ.Design cloud services with a focus on high availability, low latency, and scalability on AWS.Implement automated software delivery utilizing GitHub Actions, container-based CI/CD pipelines, and Kubernetes orchestration.WHAT WE'RE LOOKING FORA minimum of 5 years of experience in software engineering, particularly within the JVM ecosystem.Proven experience in developing and deploying scalable features in a service-oriented architecture.A strong commitment to delivering reliable, maintainable software through iterative development and continuous delivery.Experience building platform services that support product development (prior experience in platform-focused teams is an advantage).WHY YOU SHOULD APPLY NOWOur culture values ownership, excellence, and high energy. We are dedicated to closing the pension gap and democratizing wealth in Europe. If this resonates with you, we encourage you to apply!We believe that the diverse identities and backgrounds of our team make us more innovative and effective. We are committed to fostering an inclusive environment where everyone feels respected and has equal opportunities to thrive in their careers. For any inquiries about diversity and inclusion during the interview process, please contact your recruitment partner.

About the Role strersecokgaastrergruppe is looking for a Senior Backend Engineer with strong Python skills to help shape backend systems that support our business in Köln. This position focuses on building and improving backend solutions that matter to our company’s growth. What You Will Do Develop and maintain backend services using Python Work closely with teammates to solve complex technical problems Deliver reliable, well-tested software that supports business needs Who We’re Looking For Professional experience as a backend engineer Deep knowledge of Python Comfort working collaboratively to address challenges Location This role is based in Köln.

Join our dynamic team as a Lead Backend Engineer focused on Checkout solutions at ABOUT YOU GmbH. In this pivotal role, you will be responsible for designing and implementing scalable backend services that enhance our customers' shopping experience. Collaborate with cross-functional teams to create innovative solutions that drive efficiency and satisfaction.

airapps is looking for a DevOps Engineer focused on backend development to help build and maintain scalable cloud-based systems. This position is based in Munich and works closely with teams across the company. Role overview This role centers on designing, implementing, and supporting backend infrastructure for airapps’ cloud applications. Collaboration with cross-functional teams is a key part of the job, ensuring that backend solutions meet business needs and technical standards. What you will do Work with teams to design and maintain backend systems for cloud-based products Use expertise in cloud services, automation, and infrastructure management to improve deployment processes Support and enhance CI/CD pipelines to increase system reliability Contribute ideas and technical solutions that help drive operational efficiency Requirements Experience with cloud services and backend infrastructure Knowledge of automation and deployment processes Ability to collaborate with cross-functional teams Strong problem-solving skills and an innovative approach

Join Us as a Senior Backend Engineer - PaymentsAbout This RoleIn this pivotal role, you will be part of the Everyday Banking domain within our Payments team. You will play a key role in managing and processing payment and card transactions through sophisticated, high-volume systems, ensuring our customers enjoy the best banking experience every day. Our team is dedicated to making banking simple, dependable, seamless, and secure for all our users.This position is hybrid, based in our Berlin office.Your ResponsibilitiesCollaborate closely with your Tech Lead to architect and implement new features from concept to completion.Design, develop, test, deploy, and maintain quality software in a dynamic environment.Mentor junior team members by upholding code quality through thorough pull requests and support.Keep abreast of the latest technology trends and share insights during our Get Stuff Done Days (GSDD).Work collaboratively within your cross-functional team to maintain the highest technical standards across our product.Qualifications for SuccessProficient in software development using a JVM language, particularly with Spring Boot in large-scale production environments (experience with Kotlin is a plus).Strong understanding of microservice architecture.Familiarity with both relational and non-relational databases, preferably Postgres.Appreciation for modern cloud architecture, ideally with AWS.Key Traits:Proactive in seeking success for yourself and others.Committed to continuous learning and challenging the status quo.Global mindset with local action.Strong bias for action and timely feedback, both giving and receiving.What We OfferAccelerate your career by joining one of Europe's most innovative disruptors.

Why Join Nebius?Nebius is at the forefront of a transformative era in cloud computing, dedicated to empowering the global AI economy. We develop innovative tools and resources that enable our clients to tackle real-world challenges and revolutionize industries without incurring hefty infrastructure costs or needing to assemble extensive in-house AI/ML teams. Our team operates on the cutting edge of AI cloud infrastructure, collaborating with some of the most seasoned and forward-thinking leaders and engineers in the sector.Our Work EnvironmentHeadquartered in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D hubs in Europe, North America, and Israel. Our workforce of over 1,400 includes more than 400 highly skilled engineers with profound expertise in both hardware and software engineering, alongside a dedicated in-house AI R&D team.Nebius Managed Kubernetes (mk8s) aims to enhance the Nebius cloud platform by offering a Kubernetes-native solution for running AI systems efficiently and with minimal operational overhead. With just a click, users can deploy a Kubernetes cluster utilizing Nebius services for compute (VMs) and networking. By 2026, we anticipate scaling our services tenfold, managing customer workloads across tens of thousands of GPU servers in over 10 data centers.As the lead of the mk8s Core team, which is one of three mk8s teams, you will be responsible for the API, the core of the service control plane, cluster autoscaling, platform integrations, and managing Kubernetes add-ons.At Nebius, team leads are hands-on. We expect you to have a background as a senior or staff engineer and to initially contribute individually to gain context before assuming managerial responsibilities.Key Responsibilities:Lead by Example: Uphold high standards by dedicating significant time to individual contributor work, including writing and reviewing code, leading projects, and participating in on-call rotations, incident mitigation, and post-incident analysis.Team Management: Oversee 4-8 mid-to-senior engineers, providing context, coaching, and regular feedback.Technical Vision: Maintain the technical vision for your area of responsibility.Collaboration: Work with the Product Manager and Service Owner to shape product vision and strategic plans.Potential Outcomes as a Team LeadEnhance the service control plane to efficiently manage 20,000 GPU nodes within a single Kubernetes cluster, securing a significant contract for the company.

Have you ever dreamed of being part of a revolutionary change in urban mobility? At Vay, we are redefining transportation by offering a unique service where customers can summon a car at the touch of a button—without a driver inside—thanks to our pioneering Remote Driving technology operating on real public roads.Already operational in Las Vegas, we are rapidly expanding, fueled by a strategic investment of up to $410 million from Grab. Our mission is straightforward: to transform private car ownership into a faster, cleaner, and more convenient door-to-door mobility solution. If you aspire to create something tangible and transformative, you will find a welcoming home here.Want to experience Vay firsthand? Use the code VAYCANDIDATE for $10 off your first trip in Las Vegas! Download the "Vay" app from the Apple or Google Play store and get started!What’s happening at VayWe are the first company to deploy vehicles on public roads in both Europe and the USA without a human driver and currently have the second-largest commercial driverless car fleet in the Western World.We have partnered with Kodiak to integrate our remote-driving technology into autonomous trucks in the US, demonstrating our capacity to adapt our technology for heavy-duty commercial vehicles and broaden its applications across the US.Having completed tens of thousands of trips, we are scaling our Las Vegas fleet to meet growing demand!...And soon, we will be expanding across the US and Europe

About the CompanyThe AI-powered trading platform revolutionizing industrial supply in infrastructure, energy, and construction materials. It seamlessly connects trusted suppliers across Asia, Europe, and the GCC region with local demand through a unified platform.Our proprietary AI technology digitizes and automates the entire lifecycle of materials trade—from procurement and pricing to inventory management, logistics, and integrated financing—eliminating thousands of manual, relationship-dependent processes with real-time orchestration.Buyers receive instant quotes, reliable availability, and predictable delivery through our cohesive operating system. Suppliers enjoy precise forecasting, disciplined demand management, and effortless integration into cross-border fulfillment networks. We partner with prominent brands to facilitate both dropship and cross-dock fulfillment for large-scale transactions, transforming global supply chains into predictable, repeatable, software-like workflows.Supported by top-tier investors and financing partners, we have achieved triple-digit-million GMV, operate across six international markets, and are rapidly moving towards profitability. With a growing team of over 80 individuals based in Berlin (our headquarters) and Asia, we are developing the world’s first industrial-grade AI operating system for materials—redefining the workings of global trade in one of the most substantial and vital industries.

Join vCluster Labs as a Senior Backend Software Engineer, where your coding expertise will play a pivotal role in shaping the future of Kubernetes multi-tenancy. In this influential position, you will be a key architect of the vCluster Platform, navigating intricate Kubernetes internals to develop tools utilized by top engineering teams globally.Your responsibilities will include:Diving Deep into Kubernetes: Collaborate closely with Kubernetes internals, pushing the limits of container orchestration.Expert Go Development: Craft high-performance, resilient Go code that powers the core functionalities of the vCluster platform.Taking Ownership: Exhibit complete ownership of your projects; self-motivated and capable of guiding feature development from technical design to production without constant supervision.Open Source Contribution: Collaborate with the community and contribute to open-source initiatives, shaping the next generation of tenancy models with scalable solutions for resource sharing and isolation beyond basic namespaces.Solving Technical Challenges: Address complex engineering problems that require a profound understanding of systems architecture.This position may be ideal for you if you possess:Kubernetes Expertise: Extensive knowledge of Kubernetes internals, including architectural patterns, networking, and storage.Proficiency in Go: Strong programming capabilities in Go, translating Kubernetes insights into clean, efficient code.A Builder Mentality: Passion for building outside work, demonstrated through active GitHub projects or open-source contributions.High Agency: A self-driven individual thriving in environments where you can independently identify and solve problems.Startup Experience: A background in high-growth environments, comfortable with ambiguity and eager to make an impact.Bonus qualifications include:...

Join us as a Senior Backend Software Engineer and become a vital member of one of our self-sufficient agile teams at Blacklane. Your expertise will contribute to the development of innovative services that power our platform, enhance our back-office systems, and resolve integration challenges faced by our business partners.Our technical ecosystem incorporates Ruby, Go, TypeScript, and Java services that are architected using Domain-Driven Design (DDD). These services run on our Kubernetes cluster and utilize domain events to communicate through SQS and Kafka. We leverage various data storage solutions including Postgres, MySQL, Elasticsearch, Redis, and DynamoDB, while predominantly utilizing AWS for our infrastructure and managing resources with Terraform.YOUR CHALLENGE:Address unique challenges to customize our offerings for diverse markets.Maintain high-quality standards through extensive testing, thorough documentation, code reviews, and collaborative knowledge sharing.Devote time to optimizing the performance, usability, and maintainability of the systems you oversee.Commit to ongoing personal development by acquiring new skills and technologies.Be an integral part of a motivated, open-minded, and collaborative team dedicated to enhancing travel experiences for our guests.ABOUT YOU:You are proactive, inquisitive, and thrive in a team-oriented environment.You possess a minimum of 5 years of experience in two or more programming languages.You have at least 5 years of experience with Ruby or Go.You are knowledgeable of the HTTP protocol and have experience developing or utilizing REST APIs.You write clean, maintainable code and are familiar with the complexities of distributed systems; you are comfortable working with existing codebases.You have experience with or an eagerness to learn about Event-Driven Architecture and Domain-Driven Design.You are experienced with Docker and containerized environments; familiarity with Kubernetes and Terraform is a plus.