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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Engineer (Keycloak) - **Company:** Flip GmbH - **Location:** Berlin, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Access, Java (Programming Language), JavaScript (Programming Language), Computer-Aided Design, Amazon Web Services, Apache HTTP Server, Software as a Service, Continuous Integration, Java Virtual Machine (JVM), PostgreSQL, Memcached, Enterprise Messaging Systems, Node.Js, NoSQL, RabbitMQ, Redis, Blockchain, Software Engineering, SQL Databases, TypeScript, Docker for Aws, Okta, Backend, Git, Kotlin, Kubernetes, Apache Kafka, Figma, NestJS, Docker, User Administration - **Published:** September 17, 2026 - **Apply:** https://jobs.meinestadt.de/berlin/standard?id=259961235 ## About the Role * Demonstrable Deep Expertise in Keycloak:Proven, hands-on experience in the architecture, configuration, deployment, and operational tuning of Keycloak. * Production IDP Experience: * Technical Leadership: * Collaboration: Nice to haves * Experience with JVM-based toolstacks , ideally wit Kotlin and Micronauth . * Familiarity with PostgreSQL . * Exposure to Messaging systems ( RabbitMQ, Apache Kafka). * Background in SaaS environments. What we offer you ## Description Arbeitsplatz * Qualifikationslevel B Ausübungsformen Gewünschte Fähigkeiten & Kenntnisse Kubernetes RabbitMQ Apache Kotlin TypeScript MS Access PostgreSQL Make Java Apache Kafka Messaging Entwicklungsumgebungen noSQL FinTech Crypto MOST Go Node.js Figma Design Security Server IT across Origin Übersetzungssoftware AWS JavaScript Docker GIT Continuous Integration SaaS, The Senior Back-End Developer will lead backend feature ownership, design modules, ensure service security, and collaborate cross-functionally, leveraging extensive experience in software development and crypto technology. Top Skills: Apache Kafka AWS Docker Git JavaScript Kubernetes Memcached Nest.Js Node.js NoSQL RabbitMQ Redis SQL Typescript The Senior Back-End Developer will own features, design modules, ensure security, and improve services while collaborating across teams in a finance-focused environment. Top Skills: Apache Kafka AWS Ci/Cd Docker Figma Git Java Kotlin Kubernetes Memcached NoSQL RabbitMQ Redis SQL Blockchain - Fintech - Software - Financial Services - Cryptocurrency The Senior Back End Engineer will lead the development of a Sportsbook platform, design software solutions, improve system performance, and manage the development lifecycle. Top Skills: AWS Ci/Cd Java Kotlin Spring Empowering every employee. Our mission is to be the world's most used by changing the way frontline employees work.AI employee experience platform At Flip, we have a clear goal: to revolutionize the world for frontline workers and give them a voice. Become a Flip Game Changer and work with an unbeatable team to ensure that all employees, no matter where they work, have access to their company's internal information. If you're ready to make an impact and shape the work lives of millions of people, then you've come to the right place! As our dedicated Keycloak Expert , you will be the definitive subject matter expert for authentication and authorization on our platform. You will be instrumental in defining the architecture, development, and operation of our User Management domain, eliminating the need for ongoing external consulting. This role is perfect for an expert who is passionate about taking deep ownership, ensuring the security and scalability of our IDP (Keycloak), and driving alignment on best practices across our international, cross-functional agile teams. * Design, Develop, and Operate: * Technical Authority: * Modern Practices: * Tech Stack: * Deployment and Operations: We're seeking a deeply specialized engineer who is highly collaborative and ready to solve mission-critical identity challenges. ## Related Videos - [Boost Productivity with AI: Figma & Playwright MCP Workflows - Aris Markogiannakis](https://www.wearedevelopers.com/videos/1768-boost-productivity-with-ai-figma-playwright-mcp-workflows-aris-markogiannakis) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Back(end) to the Future: Embracing the continuous Evolution of Infrastructure and Code](https://www.wearedevelopers.com/videos/440-back-end-to-the-future-embracing-the-continuous-evolution-of-infrastructure-and-code) - [Designing the Future of Human<>Agent Collaboration](https://www.wearedevelopers.com/videos/1447-designing-the-future-of-human-agent-collaboration) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) ## Related Articles - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies) - [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany)