Senior Software Engineer - Ruby on Rails (f/m/d)

<br><strong>Are you ready to change the market?</strong><p><p>At PAIR Finance we're building the AI-driven platform that's redefining debt collection across Europe. We're looking for a senior software engineer who takes ownership end-to-end, is comfortable being the technical driver of a well-defined scope, and is energized by learning a deep, high-stakes domain: the legal processes around <span>In-Court and After-Court</span> debt collection.</p></p><br><strong>Your Responsibilities: </strong><p><ul><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Own a clear scope end-to-e</strong><strong>nd:</strong> take initiative from idea to production largely independently, and lead within your team (T-shaped: you go deep on your slice, and pair with one other developer)</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Design, build, and run POCs</strong> quickly to de-risk decisions before committing to a full build</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Develop, optimize, and maintain</strong> our core backend applications and services</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Work on </strong><strong>high-level architecture</strong> to ensure scalability, performance, availability, and security</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Go deep on the In-Court/After-Court domain</strong> (the legal and procedural knowledge behind our<br>collection processes is a core part of the job, not a side detail) </li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Collaborate closely with product</strong> to shape the roadmap and unlock further company growth</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Work AI-augmented:</strong> you already use (or are ready to adopt) tools like Claude Code as part of how you build, review, and ship</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Help evolve </strong>and enhance our AI-based platform</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Stay current</strong> with industry trends and bring ideas back to the team</li></ul></p><br><strong>What we're looking for:</strong><p><ul><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>5+ years</strong> of professional software engineering experience, including 1+ year on medium-to-large<br>projects</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Strong backend experience in <strong>Ruby (Ruby on Rails)</strong>: this is our core stack, and required for the<br>role</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Language-agnostic mindset: you pick the right tool for the job (hands-on experience with <strong>Go</strong> and/or <strong>Python</strong> is a big plus) </li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Proven ability to work independently: scope, drive, and deliver a project with minimal hand-holding</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Experience with <strong>TDD</strong> and <strong>CI/CD</strong></li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">A track record of writing clean, maintainable backend code and solid infrastructure</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Comfortable in an Agile environment <strong>(</strong><strong>Scrum, Kanban)</strong></li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Genuine interest in working with, and building on top of, <strong>AI-based technologies</strong></li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Solid <strong>English</strong> communication skills</li></ul><span style="font-family:Verdana, Geneva, sans-serif;font-size:12px;"><strong>Nice to have:</strong></span><ul><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Experience in the <strong>financial</strong> or <strong>accounting</strong> industry </li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Frontend development experience, especially <strong>Vue.js and GraphQL </strong>knowledge</li><li style="font-family:Verdana, Geneva, sans-serif;font-size:12px;">Infrastructure experience: <strong>AWS, Terraform (IaC), Docker, Linux</strong></li><li><p>Knowledge of other backend technologies, such as <strong>Node.js, Rust, or Java</strong></p></li></ul></p><br><strong>Our offer for you:</strong><p><ul><li style="border:0px solid;margin:0px;font-family:Tahoma, Geneva, sans-serif;font-size:12px;">For this senior-level role, our salary band is €77,000 - €92,000 gross per year (based on a 40-hour work week). The exact offer will reflect your experience and qualifications</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">We offer visa sponsorship</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Thriving, financially stable company</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Strong experienced international team to support and mentor you along the way, smooth onboarding process</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">International team of 30+ nationalities with professionals and experts</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Flat hierarchy, transparent and appreciative feedback culture, monthly all hands meetings, annual feedback and evaluation cycle, regular 1-on-1s with your lead</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Well-structured onboarding process as well as supportive and welcoming colleagues</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Personal learning &amp; development budget as well as German and English language courses</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Unlimited employment contract, flexible working hours and 28 vacation days for your work-life balance</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Company pension plan, partly covered Deutschlandticket (public transport) and access to “Corporate Benefits”-voucher platform to ensure your full well-being</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Fun company summer and Christmas parties as well as regular team events</li><li style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">This role is based in <strong>Berlin</strong>, and we have a hybrid working policy. Modern office near Uhlandstr. is complete with fresh fruit, muesli and drinks for a comfortable and enjoyable workplace</li></ul></p><br><strong>Who is your contact person?</strong><p><span style="font-family:Tahoma, Geneva, sans-serif;font-size:12px;">Your contact person for this position is <a href="https://www.linkedin.com/in/geneva-brooks/" target="_blank" rel="noreferrer noopener">Geneva Brooks</a>. If you have any questions, please contact us directly by email ----- - we look forward to hearing from you!<br><br>For more information about PAIR Finance, please take a look at our <a href="https://pairfinance.com/en/business/" target="_blank" rel="noreferrer noopener">website</a> and our <a href="https://pairfinance.com/en/careers/" target="_blank" rel="noreferrer noopener">careers page</a>.</span></p><p>Find <a href="https://www.arbeitnow.com">Jobs in Germany</a> on Arbeitnow</a>