Staff Frontend Architect - React & React Native

trading212; España; On-site; EUR 105,000 - 152,000; Full time

Job summary

trading212 is seeking a Staff Frontend Engineer in London to shape frontend architecture and platform direction across React, React Native, and the Nx monorepo. You will elevate product teams, improve performance, and raise quality at scale.

As a hands-on leader, you will own cross-team platform capabilities, libraries, tooling, and developer experience, guiding design decisions and migration strategies while mentoring senior engineers and driving consistency across teams.

Qualifications

• 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.

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

Frontend architecture

React/React Native

TypeScript

Tools

Nx monorepo

Playwright

Detox

Jest

Job description

trading212 is seeking a Staff Frontend Engineer in London to shape frontend architecture and platform direction across React, React Native, and the Nx monorepo. You will elevate product teams, improve performance, and raise quality at scale.

As a hands-on leader, you will own cross-team platform capabilities, libraries, tooling, and developer experience, guiding design decisions and migration strategies while mentoring senior engineers and driving consistency across teams.