Senior Frontend Engineer - React/React Native Scale

Trading 212 Ltd.

España

On-site

EUR 90,000 - 130,000

Full time

2 days ago

Be an early applicant

Application generator

A complete application in a minute — tailored resume and cover letter, ready to send.

Get past ATS filters

Job summary

Trading 212 Ltd. is seeking a Senior Frontend Engineer to own complex frontend features across web and mobile. You will design and evolve React and React Native systems, build durable abstractions, and tackle rendering and performance bottlenecks with TypeScript.

Collaborate with product, backend, and QA to deliver scalable user experiences while maintaining high-quality tests and code reviews. You will shape architecture, drive reusable components, and mentor peers to raise frontend standards

Qualifications

Proven ownership of production frontend systems built with React or React Native and TypeScript.
Strong knowledge of React rendering, component boundaries, data flow and state management.
Designing maintainable frontend architecture and reusable abstractions.
Experience diagnosing performance problems in complex web or mobile products.
Sound testing judgement across unit, end-to-end and visual-regression coverage.
Clear, structured problem-solving and the ability to explain technical decisions and trade-offs.

Responsibilities

Own complex frontend features end to end across web and mobile.
Design and evolve React and React Native systems, shared libraries and durable abstractions.
Identify and resolve rendering, state-management, bundle and runtime-performance bottlenecks.
Use TypeScript to make behaviour explicit and prevent defects.
Work closely with product, backend engineering and QA to turn complex requirements into simple user experiences.
Keep quality high through code review, unit, end-to-end and visual-regression testing.
Share knowledge, mentor colleagues and raise the frontend engineering standard.