Staff Frontend Architect - React & React Native

Trading 212 Ltd.; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Trading 212 Ltd. in London is seeking a Staff Frontend Engineer to shape architecture and engineering direction across product teams while remaining close to the code. Your scope will include shared libraries, platform capabilities, developer tooling and difficult product-system problems.

This is not a people-management role. Its leverage comes from technical judgement, credible execution and making other engineers and teams more effective.

Qualifications

• 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, performance and migration design.
• A track record of improving developer effectiveness, reliability or product quality through durable mechanisms.
• Practical experience diagnosing performance and correctness problems across web or mobile systems.
• The ability to influence technical direction through evidence, clarity and trusted execution rather than title.
• Clear communication that helps teams act on complex technical decisions.
• Strong engineering and product judgement, including knowing when not to introduce a new abstraction.

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 and developer experience.
• Lead decisions on boundaries, abstractions, state and data flow, performance, testing and migration strategy.
• Diagnose systemic rendering, bundle, runtime and release-quality problems and create durable fixes.
• Remain hands-on where implementation, prototyping or technical investigation is the fastest way to create clarity.
• Partner with product, backend engineering and QA on risks and decisions that cross team boundaries.
• Mentor senior engineers, raise review quality and make sound frontend judgement easier to reproduce across teams.
• Balance standardisation with team autonomy, avoiding platform work that creates more friction than leverage.

Skills

React

React Native

TypeScript

Frontend architecture

Platform ownership

Mentoring engineers

Performance optimization

Cross-team collaboration

Code review

Durable fixes

Tools

Nx monorepo

pnpm

Playwright

Jest

Detox

Job description

Trading 212 Ltd. in London is seeking a Staff Frontend Engineer to shape architecture and engineering direction across product teams while remaining close to the code. Your scope will include shared libraries, platform capabilities, developer tooling and difficult product-system problems.

This is not a people-management role. Its leverage comes from technical judgement, credible execution and making other engineers and teams more effective.