> Markdown version of [/jobs/ext/2816783-frontend-engineer-kotlin](https://www.wearedevelopers.com/jobs/ext/2816783-frontend-engineer-kotlin). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Frontend Engineer (Kotlin) - **Company:** Postaladdress - **Location:** Berlin, Germany (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Mobile Application Development, Continuous Integration, Programming Tools, TypeScript, Management of Software Versions, Datadog, Kotlin, Build Management, Webpack, Deployment Automation, Sentry, React Native, Front End Software Development - **Published:** September 10, 2026 - **Apply:** https://startup.jobs/senior-frontend-engineer-kotlin-frontend-core-trading212-8026808 ## About the Role * At least 4 years of professional experience in frontend or mobile engineering, with a meaningful portion spent on platform, infrastructure, or developer tooling work * Production-grade TypeScript - strong typing discipline, not just familiarity * Hands-on React Native experience in a production app, including an understanding of the native layer * Practical Kotlin experience on Android - native modules, build configuration, or Android-side CI/CD work * Direct involvement in CI/CD pipeline ownership or significant contribution - mobile or frontend, any tooling * Ability to think in systems and write code for other engineers, not just end users * Comfortable working autonomously and making decisions without waiting for full consensus Nice to have (Optional) * Hands-on experience with nx or pnpm workspaces specifically * Familiarity with Vite and Expo for tooling or build configuration * Exposure to Reanimated or React Native Gesture Handler * Background in fintech or a high-scale consumer app where release reliability was business-critical ## Description * Own and evolve our monorepo, ensuring it stays healthy, performant, and easy to work in as the codebase grows * Design, build, and maintain CI/CD pipelines for React Native and web targets, driving reliability and fast feedback loops for the engineering team * Author and maintain shared TypeScript libraries - state management patterns, networking layers, error handling utilities - consumed across all frontend products * Own the mobile release process end-to-end, including Android build configuration, versioning, and deployment automation * Integrate and maintain observability tooling (Sentry, Amplitude) at the platform level, so product teams get reliable instrumentation out of the box * Identify and resolve build bottlenecks, dependency issues, and tooling gaps that slow down engineering velocity * Collaborate closely with product frontend teams to understand their pain points and translate them into platform improvements ## Related Videos - [Debugging in the Dark](https://www.wearedevelopers.com/videos/1658-debugging-in-the-dark) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [From Doubt to Confidence: How Sentry Uses Verdaccio to Bulletproof SDK Releases](https://www.wearedevelopers.com/videos/739-from-doubt-to-confidence-how-sentry-uses-verdaccio-to-bulletproof-sdk-releases) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) ## Related Articles - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)