Senior Frontend Engineer – Kotlin, Frontend Core

🕒 May 8

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Trading 212

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2003

💸 Finance

💳 Fintech

Finance • Fintech

Trading 212 is a global financial trading platform offering commission-free investing services. It allows users to invest in fractional shares, providing access to expensive stocks like Google, Amazon, and Apple with minimal investment. With a strong focus on safety, customer assets are safeguarded in segregated accounts, and the company is regulated by financial authorities in the UK, EU, and Australia. Trading 212 offers a wide range of investment opportunities, including Stocks, ETFs, and ISAs, along with features like share lending and automated pie investments to build wealth. It supports multiple global currencies and ensures robust protection and transparency for its users.

📋 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

🎯 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

🏖️ 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 • Generous remuneration package including annual bonuses • 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