Software Developer specializing in Ktor Framework

At JetBrains, we are passionate about coding. Since our inception in 2000, we have been dedicated to creating the most robust and efficient developer tools in the industry. Our products automate routine tasks, enhancing productivity and allowing developers the freedom to innovate and excel. We are seeking a talented Software Developer to join our core team f…

About Us Zeta Global (NYSE: ZETA) stands at the forefront of marketing innovation as an AI-Powered Marketing Cloud. We harness cutting-edge artificial intelligence and vast consumer data to empower marketers in acquiring, nurturing, and retaining customers more effectively. Through our Zeta Marketing Platform (ZMP), we aim to simplify complex marketing strategies by integrating identity, intelligence, and omnichannel activation into one cohesive solution, supported by one of the industry’s most extensive proprietary databases. Our enterprise clients from various sectors can deliver personalized consumer experiences across all channels, achieving superior marketing outcomes. Founded in 2007 by David A. Steinberg and John Sculley, we are headquartered in New York City with offices worldwide. Discover more at www.zetaglobal.com. The Role As a Senior Software Engineer, you will lead technical initiatives within the team responsible for architecting, developing, and managing the Addressability segment of the Zeta Marketing Platform. You will work closely with engineers, product managers, and executives to define a strategic roadmap and execute projects that will create the next generation of comprehensive, multichannel marketing solutions, enabling data integration across digital touchpoints and enhancing marketing ROI. This role involves designing and developing real-time systems within the Zeta Marketing Platform and LiveIntent, focusing on technologies that facilitate access to our core Identity Solutions. You will also mentor a team of developers through knowledge-sharing sessions that enhance their skills and expertise. The ideal candidate will possess a deep understanding of distributed systems and cloud architecture, extensive design and development experience, and a passion for working with large-scale data while crafting reliable low-latency data processing systems. This is a hybrid position based in our Berlin office.

Join Zeta Global as a Senior Software Engineer in our Real-Time Ad Serving team. You'll be working on innovative technologies that drive ad serving efficiency and effectiveness in real-time. We are looking for a highly skilled engineer who is passionate about building scalable software solutions and enjoys working in a collaborative environment.

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

JetBrains has developed tools for software teams since 2000. By automating routine checks and corrections, JetBrains products help developers focus on building and shipping software. The goal: make development more productive and creative. Role overview This Backend Customer Success Engineer role centers on supporting engineering teams as they adopt Kotlin for backend development. The position focuses on helping organizations successfully bring Kotlin into production environments. What you will do Guide organizations through the process of moving from Java to Kotlin, assisting with migration, integration, and scaling. Troubleshoot technical challenges that arise during the transition and support teams as they progress from initial experimentation to stable production use. Work with potential users to clarify how Kotlin adoption works and help design migration plans that fit their specific needs. Locations Amsterdam, Netherlands Berlin, Germany Munich, Germany Prague, Czech Republic Remote, Germany

Join our culinary team at NENI Berlin as a Demichef de Partie. In this role, you will assist in the preparation and presentation of dishes, ensuring the highest standards of quality and creativity. You will work closely with our chefs to deliver an exceptional dining experience to our guests, while also gaining valuable skills in a dynamic kitchen environment.

NENI Berlin is looking for a Demichef de Partie to join the kitchen team. This position supports the preparation of a variety of dishes, helping to maintain high quality standards throughout service. Role overview As Demichef de Partie, you will assist with daily food preparation and contribute to the smooth running of the kitchen. The role involves working closely with chefs and kitchen staff to deliver well-executed plates that meet the restaurant’s standards. What you will do Assist in preparing and presenting dishes according to recipes and guidelines Support the team in maintaining cleanliness and organization in the kitchen Help monitor quality and freshness of ingredients Development This position offers the chance to build culinary skills and gain experience in a busy Berlin restaurant setting.

**Design and Develop**: Craft and maintain robust, high-performance, and secure web applications using leading technologies such as Vue.js, Node.js, TypeScript, Nuxt, and Next.js. Your contributions will directly impact customer interactions, encompassing everything from secure authentication processes to dynamic gamification features.**Lead Feature Implementation**: Take full ownership of significant feature developments, overseeing the entire lifecycle from technical design to implementation and production monitoring. You will engage in complex challenges such as creating fraud-resistant systems, enhancing user onboarding, and implementing self-service profile management.**Promote Web Experimentation**: Position our web platform as a swift avenue for transforming ideas into validated insights. You will prioritize A/B testing and rapid iteration, empowering the business to experiment and validate concepts swiftly.**Advocate for Frontend Quality**: Champion best practices in testing, code quality, and frontend architecture within your team. You will conduct code reviews, mentor fellow engineers, and elevate standards of excellence.**Enhance Observability**: Ensure that the features you create are observable and dependable. Implement monitoring, error tracking, and performance metrics to instill confidence in production and support data-driven enhancements.**Collaborative Approach**: Work closely with Product Managers, Backend Engineers, Designers, and Marketing teams to develop solutions that meet customer requirements while adhering to technical and business constraints.**Contribute to Broader Initiatives**: Engage in frontend architecture discussions and contribute to shared tools and patterns that benefit multiple teams in the Consumer sector, extending your influence beyond immediate responsibilities.**Prioritize Security**: In a role focused on authentication and fraud prevention, maintaining security is paramount. You will adhere to security best practices, identify potential vulnerabilities, and help safeguard customer data and accounts.

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.

Your Career Opportunity (starting from 01.05.2026)Are you passionate about creating user-centered product experiences that make a real impact? Do you think from the initial sketch to the final interface and enjoy transforming complex problems into elegant solutions? If so, HERO is the perfect place for you – here, you will shape the future of digitalization in the crafts sector!Your Mission Discovery & Research: Identify problems and opportunities with a focus on genuine user needs and the highest product quality. Data-Driven Design: Integrate relevant data into your design decisions and measure the success of your solutions. Prototyping & Testing: Bring your ideas to life through prototypes and validate them in targeted user tests. Product Design Excellence: Develop thoughtful solutions from the first sketch to the final interface, advance our design system, and introduce new design trends, methods, and AI tools to the team. Cross-Functional Collaboration: Work closely in the Product Trio with Product Management and Engineering and actively engage with Research, Analytics, and Brand.

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.

We are actively seeking a highly skilled Senior WordPress Developer to join our dynamic team. The ideal candidate will possess an in-depth understanding of WordPress development standards and best practices. We are looking for an individual who excels in constructing themes and plugins while adhering to both industry standards and WordPress development best practices. A significant aspect of this role involves plugin research and customization. You will be responsible for both backend and frontend development across a diverse range of projects, which can vary from simple one-page sites to extensive product catalogs, e-commerce websites, and gated company portals. If this resonates with you, we would love to receive your application!Key Responsibilities:Develop responsive WordPress themes in accordance with our standards, coding practices, and workflows.Create extendable WordPress plugins based on provided specifications.Conduct research and customization for plugins.Collaborate with project managers to define project scopes.Communicate project progress and adhere to deadlines agreed upon with project managers.

At 8returns, we are revolutionizing the e-commerce landscape by addressing the challenges associated with returns—an aspect that can often be frustrating, environmentally harmful, and expensive.We are trusted by some of the fastest-growing direct-to-consumer brands, including OACE, PEGADOR, and GOT BAG, and have gained recognition from iconic brands like Fielmann, Tommy Hilfiger, and Reebok. Our mission is to innovate the post-purchase experience.As a Senior Backend Software Engineer, you will take ownership of key systems that enhance the speed, reliability, and scalability of our product. From APIs to data models and integrations, you will help transform the chaos of returns into effective margin protection. If you have a passion for clean architecture, love deploying new features, and seek true ownership of your work, then this role is tailored for you.

Cresta is dedicated to revolutionizing customer interactions by harnessing the immense potential of contact centers. Our innovative platform fuses advanced AI with human insight to uncover valuable customer insights, streamline communication, and enhance team efficiency. Founded by prominent figures from Stanford's AI lab, including Sebastian Thrun—the visionary behind Google X and Waymo—Cresta is led by industry experts such as CEO Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI.Our elite team comprises AI and ML specialists, strategic market leaders, and renowned investors like Andreessen Horowitz and Sequoia. We proudly serve a diverse clientele, including Intuit, Cox Communications, Hilton, and Carmax, and have been recognized by Forbes and Bain Consulting as one of the top private AI companies globally.Join us on our exciting journey to redefine the contact center landscape with cutting-edge AI solutions. The future of work is bright at Cresta!

FlixMobility GmbH is looking for a Senior Software Engineer - Mobile/Android (m/f/d) to join the Berlin office. This position centers on building and enhancing mobile apps that serve millions of travelers around the globe. Team and Collaboration The role is part of the Android Team within the Customer Experience Stream's Demand Division. The group includes a product owner, UX specialist, Agile tester, and several engineers. Together, they focus on the travel onboarding journey and post-booking features to make the Flix app a reliable companion for passengers. Close collaboration with iOS colleagues and other feature teams ensures a unified mobile experience. Delivering well-integrated, thoroughly tested features is a key part of the work. What You Will Do Develop and maintain scalable Android applications with a strong focus on user experience Refine onboarding and post-booking flows to improve the passenger journey Work alongside cross-functional teams to deliver cohesive mobile features Maintain code quality and reliability through comprehensive testing Tech Stack Languages & Architecture: Kotlin, Jetpack Compose, MVVM, Clean Architecture Networking & Data: GraphQL, Firebase Remote Config, Crashlytics Dependency Injection: Dagger/Hilt Testing: Espresso, Robolectric, JUnit CI/CD & Automation: GitLab CI/CD, Fastlane, Docker Collaboration Tools: Figma, Microsoft Teams, Atlassian Jira, Confluence, Atlas Benefits Competitive salaries Growth and development opportunities Collaborative culture with personal ownership Work on products used by millions of travelers

Lead the design, development, and management of large-scale, distributed data systems that power our media and advertising solutions.Take complete ownership of our systems throughout their lifecycle, encompassing architecture, implementation, testing, deployment, operations, and ongoing evolution.Collaborate with cross-functional teams to establish robust data models, pipelines, and APIs that guarantee consistent and high-quality data delivery.Work closely with engineers, data scientists, and product teams to foster improvements, introduce innovative ideas, and uphold technical excellence.Drive continuous optimization and performance enhancements across our platforms.Exhibit curiosity and proactivity—explore emerging technologies, propose groundbreaking solutions, and elevate engineering standards.

At AKQA, a proud member of WPP, we harness the creative potential of art and science to forge innovative ideas, products, and services. Our entrepreneurial spirit and collaborative mindset empower us to design adaptive digital experiences that not only captivate but also create a significant impact for our clients.Our Technology teams thrive at the convergence of creativity and engineering, crafting groundbreaking platforms for some of the world’s most renowned brands. We blend technical prowess with a culture of experimentation and craftsmanship, delivering scalable, forward-thinking solutions in close partnership with Creative, Strategy, and Delivery teams.As a Senior Web Developer, you will be instrumental in constructing modern, composable digital platforms. Your hands-on experience with state-of-the-art technologies will allow you to collaborate across disciplines, delivering high-impact, scalable solutions for global clients.Your role will be both practical and inspirational, fostering an exemplary technical team atmosphere. You will engage closely with colleagues to promote effective collaboration across all fields and to help navigate daily challenges. We seek a talented Senior Web Developer who is a proactive problem-solver and collaborative leader, with over 6 years of extensive frontend or full-stack development experience in agency, product, or enterprise-scale settings, demonstrating a successful history of delivering scalable digital solutions.

flix is hiring a Full-stack Engineer to join the Payments Team in Berlin. This team develops and maintains the systems that process payments, focusing on both a smooth user experience and the company’s business needs. Java and Kotlin are key technologies in this role. What you will do Collaborate with colleagues across disciplines to design, build, and launch new payment features Support and enhance the systems that process payments for flix customers Share ideas and technical knowledge to help shape the direction of the payment platform Requirements Strong experience with Java and Kotlin Interest in building payment solutions Ability to work onsite in Berlin Location This role is based in Berlin.

Join our dynamic team at ebreuningergmbhco as a Senior Fullstack Software Engineer with a focus on frontend development for our innovative NAVI/REME project. In this role, you will collaborate with cross-functional teams to design, develop, and maintain high-quality software solutions. You'll be responsible for implementing responsive user interfaces and ensuring a seamless user experience.If you have a passion for creating cutting-edge applications and possess strong problem-solving skills, we want to hear from you!