Senior Full Stack Developer: Java, React, Spring Boot (d/m/w) - Remote

jobgether is looking for a Senior Full-Stack Engineer based in Germany with strong experience in Python and React. This role centers on building and improving software that supports the company’s platform. Role overview This position involves developing features from initial idea through to deployment. Collaboration with colleagues from different teams is a key part of the job, with a shared focus on delivering reliable code and a smooth user experience. What you will do Work with Python and React to create and maintain platform features Contribute to project planning, development, and release Collaborate with cross-functional teams to meet project goals Help ensure code quality and a positive experience for users

Join us at smava, a leading online credit comparison platform dedicated to making loans transparent, fair, and affordable. With a community of over 300,000 satisfied customers, we're proud to stand among Germany's foremost FinTech companies. Be part of our mission to revolutionize the consumer loan market and shape its digital future!Our engineering teams enjoy a high degree of autonomy and are responsible for their specific areas within the platform, including associated services and systems. We prioritize collaboration, ensuring clear technical contracts and common standards for seamless interactions, while fostering a culture of open dialogue and joint decision-making. This approach empowers us to execute our ambitious and exciting roadmap successfully.YOUR NEW TEAMWe are seeking a passionate Senior Software Engineer to join our Offers and Checkout team. Our mission is to empower loan customers with intuitive and transparent digital services that are trustworthy and self-serve. We aim to provide a smooth journey from loan selection to checkout, ensuring our customers feel confident and in control throughout the process. Our cross-functional team includes Frontend, Full Stack, Backend, QA, and Design roles, working in close collaboration with our Product Owner and various stakeholders.WHAT YOU WILL BE DOINGOwn and deliver complex end-to-end features across the Offers, Checkout, and Customer Area domains utilizing React and TypeScript for the frontend and Node.js (TypeScript) for the backend.Drive Automation and AI-driven UX development, leveraging your expertise to identify, test, and implement AI solutions that enhance our development speed and testing quality.Build and maintain stable, scalable services in a data-intensive, distributed AWS environment using Kubernetes, AWS Lambda, and event-driven architectures.Collaborate closely with Product Owners and UX Designers to create high-conversion customer journeys, ensuring a seamless and trustworthy self-serve experience.Uphold high engineering standards regarding code quality, performance, and security, actively participating in technical decision-making (stack, tools, architecture) within the team.Embrace the philosophy of "you build it, you run it, you own it".

Join Finanzcheck, the premier online loan comparison platform in Germany. We are at the forefront of revolutionizing the credit market and were honored with the Kununu Top Employer Award in 2022. Be part of our exciting journey! Our engineering teams work with a high level of autonomy, taking full ownership of their respective areas within our platform, including associated services and systems. We promote collaborative environments with clear technical protocols and shared standards that enable smooth interactions. By leveraging deep expertise, maintaining open communication, and engaging in collective decision-making, we successfully navigate our ambitious roadmap. YOUR NEW TEAM We are searching for a Senior Software Engineer to join our Offers and Checkout team, dedicated to empowering loan customers with intuitive and transparent digital services. Our goal is to ensure a seamless transition from loan selection to checkout, allowing our customers to feel confident and in control at every step. Our cross-functional team comprises Frontend, Full Stack, Backend, Quality Assurance, and Design roles, collaborating closely with our Product Owner and stakeholders. WHAT YOU WILL BE DOING Own and deliver complex end-to-end features for our Offers, Checkout, and Customer Area domains, utilizing React and TypeScript for the frontend and Node.js (TypeScript) for the backend. Act as a driving force for Automation and AI-driven UX development, leveraging your expertise to identify, test, and integrate AI solutions to enhance our development speed and testing quality. Build and maintain stable, scalable services within a data-heavy, distributed AWS environment, utilizing Kubernetes, AWS Lambda, and event-driven architectures. Collaborate closely with Product Owners and UX Designers to create high-conversion customer journeys, ensuring a trustworthy and seamless self-service experience. Drive high engineering standards for code quality, performance, and security, while actively participating in technical decision-making regarding technology stack, tools, and architecture within the team. Embody the philosophy of

At AlfaDocs, our mission is to revolutionize healthcare. Our innovative software platform simplifies daily operations for medical practices and enhances patient engagement by optimizing practice management and strengthening patient relationships. With our comprehensive, cloud-based solution, healthcare professionals can dedicate more time to patient care and less to administrative tasks.We pride ourselves on delivering high-performance solutions while cultivating a collaborative and respectful environment where every team member's contributions are appreciated. Our collective passion is to create a lasting impact in the healthcare sector, fostering an atmosphere where both our team and customers can flourish.As a Senior Full Stack Backend Engineer (all genders), you will take charge of secure, scalable feature development, owning the backend, shaping architectural design, and mentoring fellow team members.Full Stack Development: Lead the entire lifecycle of feature development from conception to deployment, with a strong emphasis on security and scalability.Architecture & Design: Make key architectural decisions to ensure compliance with healthcare industry standards and long-term system sustainability.Cross-Functional Collaboration: Collaborate closely with product managers, designers, and stakeholders to ensure technical solutions align with business objectives.Team Mentorship: Provide mentorship to junior developers, nurturing a culture of learning and innovation.Automation & CI/CD: Implement automated testing, continuous integration, and deployment pipelines to uphold high code quality.Technical Roadmapping: Contribute to planning by assessing technical feasibility, estimating timelines, and identifying resource needs.Industry Awareness: Stay updated on emerging technologies and industry trends to enhance product and process efficiency continuously.Team Culture: Foster a positive team atmosphere infused with humor and optimism, helping to maintain morale and collaboration during challenging times.

Join Atolls, the world's largest community-driven shopping platform, active in over 20 markets.We empower millions to make informed spending choices through seamless connections with brands and retailers.With a dedicated team of over 1,000 professionals across 10 countries, we create products that are used daily at a global scale, allowing you to take ownership and witness your impact. Ready to influence how people shop confidently? Read on.About This Role:We are seeking a Senior Full Stack Engineer to become a vital member of our Admin Experience team in Berlin, Germany. In this role at Atolls, you will play a crucial part in the development of new features and products, engaging with the entire technology stack from the database layer to the client interface. Your direct contributions will enhance the digital experiences our users depend on.Your efforts will shape how millions interact with our platforms, guiding them towards smart, fair, and rewarding choices.Our Benefits:At Atolls, we prioritize your personal and professional growth. Here’s what you can look forward to:A culture that promotes continuous development, with opportunities for internal mobility.A collaborative and open-minded team that values diverse perspectives and innovative ideas.32 days of paid vacation along with an additional day off for your birthday, ensuring ample time to recharge.A flexible hybrid working model that balances work and personal life.Access to a learning budget and internal training for your professional growth.Mental health coaching to support your well-being.Frequent global and local gatherings to celebrate achievements and foster connections.Potential for a sabbatical after three years with the organization.A cloud-based operational setup facilitating flexibility and collaboration regardless of your location.*These benefits apply globally...

Join Finanzcheck, the premier online loan comparison platform in Germany. As a recognized leader in shaping the future of the credit market, we were awarded the Kununu Top Employer Award in 2022. Become a vital part of our success story! At Finanzcheck, our engineering teams enjoy a high level of autonomy, with each team managing their own segment of the platform, including essential services and systems. We emphasize collaboration with clear technical contracts and shared standards to ensure smooth interactions. Our culture is built on deep expertise, open communication, and collective decision-making as we work towards our ambitious roadmap. YOUR NEW TEAM We are currently seeking a Senior Full Stack Engineer to join our Offers and Checkout team. Our mission is to empower loan customers by providing seamless and transparent digital services that are trustworthy and user-friendly. We strive to deliver an effortless experience from loan selection through to the checkout process, ensuring our customers feel confident and in control at every stage. Our team is cross-functional, including Frontend, Full Stack, Backend, QA, and Design roles, working closely with Product Owners and stakeholders. WHAT YOU WILL BE DOING Own and deliver complex end-to-end features for our Offers, Checkout, and Customer Area domains, utilizing React and TypeScript for the frontend and Node.js (TypeScript) for the backend. Act as a driving force for Automation and AI-driven UX development, leveraging your expertise to identify, test, and implement AI solutions that enhance our development speed and testing quality. Build and maintain stable, scalable services within a data-intensive, distributed AWS environment using Kubernetes, AWS Lambda, and event-driven architectures. Collaborate closely with Product Owners and UX Designers to create high-conversion customer journeys, prioritizing a seamless, reliable self-service experience. Drive high engineering standards for code quality, performance, and security, actively participating in technical decision-making (stack, tools, architecture) within the team. Embody the philosophy of 'you build it, you run it', taking ownership of your work and its impact on the overall system.

Atolls is the world’s largest community-driven shopping platform, active in over 20 markets.We empower millions to make informed spending decisions through discovery, evaluation, and (re-)purchasing by connecting consumers with the ideal brands and retailers.Our team of over 1,000 professionals across 10 countries develops products that are utilized globally every day, where you will have true ownership and see your impact. Ready to shape the shopping experiences that people trust? Join us!About This Role:We are on the lookout for a Senior Full Stack Engineer to join our Admin Experience team in Munich, Germany. Your role at Atolls will be critical in supporting the development of innovative features and products, working across the full stack from database to client layer. As a vital member of our team, you will directly contribute to building and enhancing the digital platforms that our users depend on.Your efforts will play a key role in shaping how millions of consumers engage with our platforms, guiding them towards smart, fair, and rewarding choices.Our Benefits:At Atolls, we prioritize both your professional and personal development. Here’s what you can look forward to:A culture that fosters personal and professional growth, with opportunities for internal mobility.A supportive, open-minded team that welcomes diverse perspectives and innovative ideas.32 days of paid vacation plus your birthday off, allowing you ample time to recharge.A flexible hybrid working model to ensure a balanced work-life experience.Access to a learning budget and internal training programs to facilitate your growth.Mental health coaching to enhance your well-being.Regular global and local gatherings to celebrate achievements and foster connections.The chance to take a sabbatical after three years with the company.A cloud-based setup for flexibility and collaboration regardless of your location.*These benefits are global...

Join smava GmbH, a leading online platform for credit comparison, dedicated to making loans transparent, fair, and affordable. With over 300,000 happy customers, we are one of Germany's largest FinTech companies. Be part of our mission to transform the consumer loan market and shape its digital future!Our engineering teams enjoy a high level of autonomy, each focusing on their specific areas within the platform, including essential services and systems. We prioritize collaboration, utilizing clear technical agreements and shared standards to enhance interaction, while established communication structures promote personal exchanges. Our success hinges on expert knowledge, open conversations, and collective decision-making as we pursue our ambitious roadmap.YOUR NEW TEAMWe are seeking a Senior Full Stack Engineer to join our Offers and Checkout team. Our goal is to empower loan customers through seamless and transparent digital services that they can trust and manage independently. We aim to create a smooth experience from loan selection to checkout, ensuring our customers feel in control and confident throughout the process. Our cross-functional team includes Frontend, Full Stack, Backend, QA, and Design roles, collaborating closely with our Product Owner and stakeholders.WHAT YOU WILL BE DOINGLead and innovate complex end-to-end features for our Offers, Checkout, and Customer Area domains, utilizing React and TypeScript in the frontend, and Node.js (TypeScript) in the backend.Drive automation and AI-enhanced UX development, leveraging your knowledge to identify, test, and implement AI solutions that enhance our development speed and testing quality.Design and maintain stable, scalable services within a data-intensive, distributed AWS environment, employing Kubernetes, AWS Lambda, and event-driven architectures.Work in close collaboration with Product Owners and UX Designers to craft high-conversion customer journeys, emphasizing a seamless and trustworthy self-service experience.Uphold high engineering standards for code quality, performance, and security, while actively participating in technical decision-making (technology stack, tools, architecture) within the team.Adopt the philosophy of 'you build it, you run it, you own it'.

Join smava, Germany's leading online credit comparison platform, where we strive to make loans transparent, fair, and affordable. With over 300,000 satisfied customers, we are committed to revolutionizing the consumer loan market. Be a part of our vision to shape the future of digital lending!Our engineering teams work autonomously within defined areas of the platform, ensuring accountability and fostering collaboration. We emphasize open dialogue and joint decision-making, allowing us to effectively realize our ambitious roadmap.YOUR NEW TEAMWe are seeking a Senior Full Stack Engineer to join our Offers and Checkout team. Our goal is to empower loan customers with seamless digital services that are both trustworthy and self-service. You will contribute to a fluid experience from loan selection to checkout, ensuring our customers feel confident and in control. Our cross-functional team includes Frontend, Full Stack, Backend, QA, and Design roles, all working closely with our Product Owner and stakeholders.WHAT YOU WILL BE DOINGLead the development of complex end-to-end features in our Offers, Checkout, and Customer Area domains, utilizing React and TypeScript for the frontend and Node.js (TypeScript) for the backend.Champion Automation and AI-driven UX enhancements, employing your expertise to identify, test, and implement AI solutions that improve our development speed and testing quality.Develop and maintain robust, scalable services in a data-intensive, distributed AWS environment, leveraging Kubernetes, AWS Lambda, and event-driven architectures.Collaborate with Product Owners and UX Designers to create high-conversion customer journeys, focusing on a seamless and trustworthy self-service experience.Promote high engineering standards for code quality, performance, and security, actively participating in technical decision-making regarding the stack, tools, and architecture.Embrace the philosophy of 'you build it, you run it, you own it'.

Join Finanzcheck, Germany's premier online loan comparison platform, and be part of our transformative journey in the credit market. Celebrated as a Kununu Top Employer in 2022, we invite you to contribute to our ongoing success! Our engineering teams work with remarkable autonomy, owning their respective areas of the platform along with the related services and systems. We emphasize collaboration through clearly defined technical contracts and established standards that facilitate smooth interactions. Our structured collaboration enhances personal exchanges, and we leverage deep expertise, open dialogues, and collective decision-making to achieve our ambitious roadmap. YOUR NEW TEAM We seek a Senior Software Engineer to join our Offers and Checkout team. Our goal is to empower customers with transparent and seamless digital services for loans. We are committed to providing an effortless experience, from loan selection to finalizing the checkout process, ensuring our customers feel in control at every stage. Our cross-functional team includes Frontend, Full Stack, Backend, QA, and Design professionals collaborating closely with our Product Owner and stakeholders. WHAT YOU WILL BE DOING Lead and deliver intricate end-to-end features for our Offers, Checkout, and Customer Area domains using React and TypeScript for the frontend and Node.js (TypeScript) for the backend. Drive innovations in Automation and AI-enhanced UX development, applying your expertise to identify, test, and implement AI solutions to accelerate our development speed and enhance testing quality. Develop and maintain robust, scalable services in a data-driven, distributed AWS environment using technologies such as Kubernetes, AWS Lambda, and event-driven architectures. Work closely with Product Owners and UX Designers to create high-conversion customer journeys, ensuring a seamless and trustworthy self-service experience. Uphold high engineering standards concerning code quality, performance, and security, while actively participating in technical decision-making (stack, tools, architecture) within the team. Embrace the philosophy of

Join a Pioneering Cybersecurity Startup in Berlin!We are a recently funded startup at the forefront of cybersecurity and AI technology, seeking a Founding Full Stack Engineer (React/Go) to become an integral part of our founding team. You will play a key role in crafting the foundational elements of a cutting-edge AI-driven security risk management platform.Founded by seasoned cybersecurity experts hailing from Israeli Intelligence, we are looking for a dynamic and innovative individual who is passionate about cybersecurity and AI. This hybrid role will be based in the heart of Berlin, allowing you to thrive in a fast-paced startup environment while building complex platforms from the ground up.Our mission is to develop a next-generation cyber risk platform that empowers enterprises to effectively understand, measure, and mitigate identity risk at scale. You will be involved from day one in designing and developing core components of the platform, leveraging cloud-native systems, AI-driven analysis, and automated enforcement through AI agents.

jobgether is looking for a Senior Full Stack Engineer based in Germany. This position centers on building and maintaining applications that support both the front end and back end of our platform. Role overview The Senior Full Stack Engineer will work with multiple teams to design, implement, and support scalable solutions. The focus is on improving user experience and strengthening product functionality. Day-to-day, this means developing features, solving technical challenges, and ensuring our applications run smoothly. Collaboration Expect close collaboration with colleagues from various disciplines. Input and ideas will help shape product direction and service quality. Contributions in this role play a key part in the company’s growth and the ongoing improvement of our offerings.

We are seeking a talented and motivated Full-Stack Software Engineer (m/f/d) to join our innovative team at Natuvion. In this pivotal role, you will contribute to the development and enhancement of the Natuvion Cloud Platform (NCP).The NCP is a dynamic platform featuring a suite of full-stack applications designed within a shared, scalable architecture. Our codebase emphasizes reusability across various applications, making structure, consistency, and maintainability essential to our success.You will work with cutting-edge technologies including Next.js, React, TypeScript, gRPC, and Protocol Buffers, enabling a seamless end-to-end type-safe development experience.Key Responsibilities:Design, develop, and implement full-stack featuresEstablish clear client-server boundaries in the application architectureCreate reusable components, services, and utilitiesImplement type-safe integrations using gRPC and Protocol BuffersConduct code reviews to uphold quality and architectural integrityCollaborate closely with backend engineers on API contracts and system designDrive continuous improvements in architecture, patterns, and development standardsRequirementsProven experience with React and TypeScript developmentDeep understanding of modern full-stack architecturesExperience with Next.js and server-side rendering conceptsDemonstrated ability to write maintainable and scalable codeFamiliarity with structured code reviews and collaborative development processesAnalytical mindset with a solution-oriented approachPreferred Qualifications:Experience with cloud platforms and microservices architecture is a plus

Join haufegroup as a Senior Full Stack Developer, where your expertise in Java, Spring Boot, and React will drive innovative solutions in a supportive remote environment. Collaborate with a dynamic team to enhance our products and deliver exceptional user experiences.

Join Our Product Enrichment Team at idealo, where we are responsible for some of the core components of the platform, including Editorial Content and Product Information. Our aim is to empower customers to make informed purchasing decisions.Our mission is to present the entire e-commerce market in a way that is clear, structured, and inspiring. We develop tools that assist our content teams in managing product listings while ensuring robust data management.The upcoming challenges are particularly exciting: We are driving the automated creation and maintenance of our product catalog using Machine Learning and AI, while optimizing our services for a modern, scalable AWS Cloud environment.Your ResponsibilitiesFull Stack Engineering: Develop sophisticated web applications using TypeScript/JavaScript, NestJS, React, Python, Kafka Streams.

Join skalar as a Senior Full-Stack Engineer and take your career to new heights. In this pivotal role, you will design and implement robust, scalable applications that seamlessly integrate both front-end and back-end technologies. Collaborate with a diverse team of developers to create innovative solutions that enhance user experience and drive business success.

At Akeno, a Senior Engineer is not merely a title; it's a badge of honor! This role signifies a proven track record of crafting successful products, overcoming complex production challenges, and mastering the art of delivering quality solutions efficiently. As a Senior Full-Stack Engineer, you'll oversee features from conception to completion, engaging with both front-end and back-end technologies, and occasionally diving into UX design.You will join our Applications Team, a group of seasoned professionals who are collaborative and supportive. We foster an environment where you can lead and innovate without the constraints of traditional roles like dedicated architects or tech leads, as we believe true seniors can draft designs that enhance collective outcomes.Your ResponsibilitiesDevelop cutting-edge software that enables clients to save millionsTransform our software into a fully self-service, enterprise-ready solutionDrive feature enhancements from inception to rolloutImplement bug fixes that prevent recurrenceEstablish monitoring and testing protocols to catch issues proactivelyEnhance developer experience (DX) for accelerated development cycles

As a Senior Full-Stack Engineer at causaprima, you will be instrumental in developing the interactive surfaces that facilitate user engagement with our AI agents. This includes creating dynamic dashboards, approval workflows, real-time visualizations, and a user-friendly counterparty portal designed to seamlessly integrate new companies into our network.Your ResponsibilitiesReal-Time Communication Infrastructure — Implement WebSocket-based event streaming, manage agent notification systems, and handle dynamic queries.Cash Flow Forecasting Visualizations — Develop probabilistic forecasting tools with uncertainty bands, allowing users to drill down into invoice details and underlying assumptions.Counterparty Portal Development — Create a lightweight portal for suppliers and customers to track invoice statuses, manage disputes, and view payment commitments through secure access links.User Approval Interface — Design a human-in-the-loop interface for reviewing agent reasoning and source documents prior to approval actions.Session Management & Authentication — Integrate OAuth 2.0 / OIDC, manage JWTs with tenant context, and oversee session lifecycles backed by Redis, including issuing magic link tokens for the counterparty portal.API / BFF Layer Development — Build a TypeScript service layer that acts as a mediator between the React frontend and the Python agent backend, ensuring tenant-scoped security through REST, GraphQL, and WebSocket endpoints.MCP Server Integration — Develop a Model Context Protocol endpoint for external AI agent integration, facilitating agent-to-agent interoperability across the supply chain.

Join Us as a Senior Full Stack Product Engineer at Kombo Berlin (On-site) · Full-timeHello! I’m Aike, co-founder & CTO of Kombo. We are on the lookout for innovative Senior Product Engineers who are eager to tackle complex customer challenges within our product offering. At Kombo, you will engage directly with customers to understand their needs, design solutions, develop them, and ensure they deliver the desired impact.Please note, this is an on-site role based in Berlin.Our Vision at KomboWe are creating a robust infrastructure platform designed specifically for HR tech products. Our founding team, composed entirely of engineers, thrives on solving intricate technical challenges. This passion has led us to develop vital infrastructure for HR tech providers.We’ve successfully built a unified API, a powerful data synchronization engine, an observability platform, and an integrated UI for setup and configuration. We empower other software companies to offer prebuilt integrations with HR, ATS, LMS, and Payroll systems, alleviating the burden of developing and managing countless integrations. For more insights into our product, visit our page: What is the Kombo product?Having achieved product-market fit about 1.5 years ago, we are now witnessing remarkable growth, with our annual recurring revenue nearing €10M and our services supporting over 15,000 companies, synchronizing data for more than 250 million individuals worldwide. We are establishing a new standard for how companies build products atop complex enterprise systems. Recently, we proudly closed a €25M Series A funding round .Role Overview and Work CultureIn our early days, the co-founders and I engaged directly with customers, handled support, understood their pain points, and designed features based on their feedback. We found this approach more fulfilling than traditional roles where engineers work off predefined tickets without customer interaction. As we bring our first engineers on board, we wish to maintain this ethos. We embrace what we call "Product Engineering", where you will comprehensively address customer challenges, participate in calls (or visit customers), design and implement solutions from start to finish, and support the transition to successful user adoption.