Senior Frontend Engineer (Kotlin) - Frontend Core at Trading212 | BE, DE | Rezi

Senior Frontend Engineer (Kotlin) - Frontend Core at Trading212

Senior Frontend Engineer (Kotlin) - Frontend Core

Trading212 · BE, DE

1 months ago

Senior Frontend Engineer (Kotlin) - Frontend Core

Trading212 · BE, DE

a month ago
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About the Role

We are seeking a talented engineer to own and evolve our monorepo, design and build CI/CD pipelines, and author shared TypeScript libraries. You will also own the mobile release process and integrate observability tooling, collaborating with product teams to improve platform capabilities.

Responsibilities

  • 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

Requirements

  • 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

Skills

  • TypeScript
  • React Native
  • Kotlin
  • CI/CD
  • Sentry
  • Amplitude
  • nx
  • pnpm workspaces
  • Vite
  • Expo
  • Reanimated
  • React Native Gesture Handler

Location

  • Europe

Work Type

  • Full-time

Experience Level

  • 4+ years

Salary/Compensations

  • Generous remuneration package including annual bonuses

Benefits

  • Challenges that will help you grow and realise your potential
  • Opportunity to make a big Impact - you will build innovative services used by millions of investors to build wealth
  • Work with smart, spirited, helpful, high-performing colleagues with a common goal
  • An environment where nothing is set in stone
  • Appreciation for your talent and ideas
  • Excellent social benefits package, including private health insurance, sports card and 25 days of paid vacation per year
  • Delicious treats and a spacious game room

About the Company

  • Our mission is to enable everyone to build wealth
  • We reinvent how trading and investing work by creating exceptional products people love.
  • Fostering a culture of excellence and high velocity is the key to our success.
  • Today, we serve over 6 million clients, with more than €50 billion in assets under management - a testament to the scale and trust we’ve built in just a few years.
  • Bring your ambition to Europe’s fastest-growing mobile broker!