Staff Frontend Engineer

Stack

Responsibilities

• ▹Set direction for frontend architecture across React, React Native, and the shared monorepo
• ▹Own cross-team problems in platform capabilities, shared libraries, design-system foundations, tooling
• ▹Lead decisions on boundaries, abstractions, state and data flow, performance, migration strategy
• ▹Diagnose systemic rendering, bundle, runtime, and release-quality problems
• ▹Stay hands-on where implementation or prototyping is the fastest way to create clarity
• ▹Partner with product, backend engineering, and QA on cross-team risks and decisions
• ▹Mentor senior engineers, raise review quality

Requirements

• ▹Evidence of architectural or platform impact across multiple frontend teams
• ▹Deep ownership of complex production systems built with React or React Native and TypeScript
• ▹Strong judgement in application boundaries, shared libraries, state management, migration design
• ▹Track record of improving developer effectiveness, reliability, or product quality
• ▹Practical experience diagnosing performance and correctness problems
• ▹Ability to influence technical direction through evidence rather than title
• ▹Clear communication that helps teams act on complex technical decisions
• ▹Strong engineering and product judgement, including when not to introduce a new abstraction

Soft skills

About the company

Trading 212 is Europe's fastest-growing mobile broker, serving over 6 million clients with more than €38 billion in assets under management.