Senior Frontend Engineer - React & React Native

Trading 212 Ltd.; España; Presencial; EUR 70.000 - 110.000; Jornada completa

Descripción de la vacante

Trading 212 Ltd. is seeking Senior Frontend Engineers to work across product domains in a fast-moving environment. You will own frontend features end to end for web and mobile, shaping reusable libraries and durable abstractions while addressing performance bottlenecks.

The role emphasizes TypeScript-driven development, close collaboration with product, backend, and QA, and maintaining high-quality code through comprehensive testing and mentorship.

Formación

• Experience delivering production frontend systems with React/React Native.
• Strong understanding of rendering, data flow, and state management.
• Design maintainable frontend architectures and reusable abstractions.
• Diagnose and resolve performance issues in complex web/mobile apps.

Responsabilidades

• Own complex frontend features end to end across web and mobile.
• Design and evolve React/React Native systems and shared libraries.
• Identify rendering and performance bottlenecks and optimize.
• Use TypeScript to clarify behavior and reduce defects.
• Collaborate with product, backend, and QA to translate requirements.
• Maintain high quality via unit, end-to-end and visual tests.
• Share knowledge, mentor teammates, and raise frontend standards.

Conocimientos

React

React Native

TypeScript

Frontend architecture

Performance optimization

Testing (unit/e2e/visual)

Descripción del empleo

Trading 212 Ltd. is seeking Senior Frontend Engineers to work across product domains in a fast-moving environment. You will own frontend features end to end for web and mobile, shaping reusable libraries and durable abstractions while addressing performance bottlenecks.

The role emphasizes TypeScript-driven development, close collaboration with product, backend, and QA, and maintaining high-quality code through comprehensive testing and mentorship.