Senior Frontend Engineer (Kotlin) - Frontend Core

<p style="min-height:1.5em"></p><p style="min-height:1.5em"><em><strong>Our mission is to enable everyone to build wealth</strong></em></p><p style="min-height:1.5em"><em>We reinvent how trading and investing work by creating exceptional products people love.</em></p><p style="min-height:1.5em"><em>Fostering a culture of excellence and high velocity is the key to our success.</em></p><p style="min-height:1.5em"><em>Today, we serve over 5 million clients, with more than €30 billion in assets under management - a testament to the scale and trust we’ve built in just a few years.</em></p><h2></h2><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><h2><strong>What you’ll do</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Own and evolve our monorepo, ensuring it stays healthy, performant, and easy to work in as the codebase grows</p></li><li><p style="min-height:1.5em">Design, build, and maintain CI/CD pipelines for React Native and web targets, driving reliability and fast feedback loops for the engineering team</p></li><li><p style="min-height:1.5em">Author and maintain shared TypeScript libraries — state management patterns, networking layers, error handling utilities — consumed across all frontend products</p></li><li><p style="min-height:1.5em">Own the mobile release process end-to-end, including Android build configuration, versioning, and deployment automation</p></li><li><p style="min-height:1.5em">Integrate and maintain observability tooling (Sentry, Amplitude) at the platform level, so product teams get reliable instrumentation out of the box</p></li><li><p style="min-height:1.5em">Identify and resolve build bottlenecks, dependency issues, and tooling gaps that slow down engineering velocity</p></li><li><p style="min-height:1.5em">Collaborate closely with product frontend teams to understand their pain points and translate them into platform improvements</p></li></ul><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><h2><strong>What you need to have</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">At least 4 years of professional experience in frontend or mobile engineering, with a meaningful portion spent on platform, infrastructure, or developer tooling work</p></li><li><p style="min-height:1.5em">Production-grade TypeScript - strong typing discipline, not just familiarity</p></li><li><p style="min-height:1.5em">Hands-on React Native experience in a production app, including an understanding of the native layer</p></li><li><p style="min-height:1.5em">Practical Kotlin experience on Android - native modules, build configuration, or Android-side CI/CD work</p></li><li><p style="min-height:1.5em">Direct involvement in CI/CD pipeline ownership or significant contribution — mobile or frontend, any tooling</p></li><li><p style="min-height:1.5em">Ability to think in systems and write code for other engineers, not just end users</p></li><li><p style="min-height:1.5em">Comfortable working autonomously and making decisions without waiting for full consensus</p></li></ul><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><h2><strong>Nice to have (Optional)</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Hands-on experience with nx or pnpm workspaces specifically</p></li><li><p style="min-height:1.5em">Familiarity with Vite and Expo for tooling or build configuration</p></li><li><p style="min-height:1.5em">Exposure to Reanimated or React Native Gesture Handler</p></li><li><p style="min-height:1.5em">Background in fintech or a high-scale consumer app where release reliability was business-critical</p></li></ul><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><h2><strong>What we offer</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Challenges that will help you grow and realise your potential</p></li><li><p style="min-height:1.5em">Opportunity to make a big Impact - you will build innovative services used by millions of investors to build wealth</p></li><li><p style="min-height:1.5em">Work with smart, spirited, helpful, high-performing colleagues with a common goal</p></li><li><p style="min-height:1.5em">An environment where nothing is set in stone</p></li><li><p style="min-height:1.5em">Appreciation for your talent and ideas</p></li><li><p style="min-height:1.5em">Generous remuneration package including annual bonuses</p></li><li><p style="min-height:1.5em">Excellent social benefits package, including private health insurance, sports card and 25 days of paid vacation per year</p></li><li><p style="min-height:1.5em">Delicious treats and a spacious game room</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em">Are you ready to accelerate your career with us? We'd love to hear from you!</p><p style="min-height:1.5em"></p><p style="min-height:1.5em">We process applicant data confidentially and in accordance with applicable data protection laws. We may use AI-powered tools to help review applications, but all hiring decisions are made by our human recruitment team. Where required by law, we rely on your consent to use these tools. <br />You may withdraw this consent or exercise your data protection rights at any time by contacting us.</p><p>Find more <a href="https://www.arbeitnow.com/english-speaking-jobs">English Speaking Jobs in Germany</a> on Arbeitnow</a>