Senior Backend Engineer (m/f/d)

<h3>What are we looking for?</h3> <p><strong>We are looking for an experienced Senior Backend Engineer - Java (m/f/d)</strong> to join our skilled and collaborative technical team as a key contributor.</p><p>Someone who is not only confident dealing with industry adopted technologies and Software Design approaches, but also likes to challenge the status quo.</p><p>This is a full time job with significant responsibility, joining us in our Berlin HQ. Being located in Berlin or other German federal state is necessary. <strong>Relocation support is provided.</strong> </p> <h3>Our Stack</h3> <ul><li><p>Backend: Java, Spring, Hibernate, PostgreSQL, Spring Boot                                                        </p></li><li><p>Frontend: ReactJS, TypeScript, Redux, SASS </p></li><li><p>QA: Selenium, Galen, Serenity, JUnit, Mockito, Jest, Mocha</p></li><li><p>Build and Deploy: Jenkins, git, npm, Maven, Docker</p></li><li><p>Infrastructure: AWS, Troposphere (python), Stacker, Cloudformation, Terraform (Infrastructure), Ansible, EKS (k8s)</p></li><li><p>Agile: Kanban and Scrum</p></li></ul> <h3>Your tasks &amp; Responsibilities</h3> <ul><li><p><strong>Design and implement solutions primarily in Java </strong>with high impact and a great deal of autonomy</p></li><li><p><strong>Maintain and enhance </strong>our flagship multi-tenant white-label B2B2C SaaS platform</p></li><li><p><strong>Develop new and exciting products with AI, </strong>whether standalone or integrated</p></li><li><p><strong>Continuously improve</strong> our development lifecycle with modern methods and technologies—both individually and as a team</p></li><li><p><strong>Propose, review, improve, and explore</strong> the solution-space with team members from all professions</p></li><li><p><strong>Review test cases, designs, and code </strong>developed by other team-members</p></li><li><p><strong>Own significant parts of the runtime</strong> together with our in-house SREs, embracing “you ship it – you own it”</p></li><li><p><strong>Collaborate with Front-End, QA, Infrastructure, and Data </strong>professionals on interfaces, shared definitions, and common objectives</p></li><li><p><strong>Coach and train</strong> team members on best practices and help the team learn</p></li><li><p><strong>Shape our engineering culture </strong>by sharing curiosity, kindness, and craftsmanship—every day, by simply being yourself.</p></li></ul> <h3>Your profile</h3> <p>You’re a seasoned backend engineer with a solid Java background and a hands-on approach. You’ll fit right in if you:</p><ul><li><p>Have <strong>5+ years of experience</strong> building Java backend systems with <strong>Spring, Hibernate,</strong> and the tools that come with modern software development</p></li><li><p>Have worked in a <strong>s</strong><strong>tartup or fast-moving product environment</strong>, and are comfortable adapting quickly and making progress, even when things are changing constantly</p></li><li><p>Feel good taking a system from idea to production—and are able to <strong>debug and solve problems across the stack</strong></p></li><li><p>Have worked on both <strong>monoliths and microservices</strong>, including systems with asynchronous communication (e.g. queues, events, messaging)</p></li><li><p><strong>Know how to apply AI tools practically</strong>—for your own productivity and in what you build</p></li><li><p>Can design solid, practical architecture—and know how to <strong>balance long-term quality with short-term needs</strong></p></li><li><p>Understand <strong>data structures, relational models, </strong>and different kinds of backends—and can choose what fits best</p></li><li><p><strong>Enjoy working with others, w</strong>hether it’s writing something down clearly, pairing on a problem, or just hashing things out on a whiteboard</p></li><li><p>Communicate<strong> fluently in English</strong></p></li><li><p>Care about <strong>the team’s success </strong>—and help people around you grow and do their best work</p></li><li><p>Are <strong>reliable, respectful,</strong> and make the team better—technically and personally.</p></li></ul> <h3>How you will create impact?</h3> <ul><li>You build software that makes <strong>a real difference for serious customers</strong></li><li><strong>You raise the bar </strong>by bringing clarity, care, and initiative to the team—technically and interpersonally</li><li><strong>You push what's possible, </strong>applying AI and modern tools to make both the product and the team smarter.</li></ul>By the way -  You don’t need to check all the boxes. We want to meet YOU! <h3>We as a Team</h3> <p>We are a tight-knit group in a founder-owned “grown-up” startup. We love what we do and what we build and we care about our amazing team. We value each team member and develop their unique talents.<br/><br/>At Friendsurance, we believe that today's social structures disproportionately disadvantage people from marginalized populations - including people of col