Senior Frontend Engineer

🕒 August 25

🌐 Poland, Spain, +1 more countries – Remote

🇵🇱 Poland – Remote 🇪🇸 Spain – Remote 🇷🇴 Romania – Remote

⏰ Full Time

🟠 Senior

💻 Frontend Engineer / Web Developer

👻 Ghost score 18%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Trading 212

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2003

💼 Consulting

📣 Marketing

💸 Finance

Consulting • Marketing • Finance

Trading 212 is a global financial trading platform offering commission-free investing services. It allows users to invest in fractional shares, providing access to expensive stocks like Google, Amazon, and Apple with minimal investment. With a strong focus on safety, customer assets are safeguarded in segregated accounts, and the company is regulated by financial authorities in the UK, EU, and Australia. Trading 212 offers a wide range of investment opportunities, including Stocks, ETFs, and ISAs, along with features like share lending and automated pie investments to build wealth. It supports multiple global currencies and ensures robust protection and transparency for its users.

📋 Description

• 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 • Maintain quality through code review, unit, end-to-end and visual-regression testing • Share knowledge, mentor colleagues and raise the frontend engineering standard • Work in small, autonomous groups with a weekly release cycle and ownership from problem definition through production

🎯 Requirements

• 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 • Track record of designing maintainable frontend architecture and reusable abstractions • Practical 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 ability to explain technical decisions and trade-offs • Strong engineering fundamentals and product judgement • Confidence learning unfamiliar technologies • Depth in one frontend ecosystem and sound tool choice matter more than familiarity with every technology listed

🏖️ Benefits

• Weekly release cycle • Recruiter explains each interview stage clearly and follows up after every conversation • Opportunity to work with a high-growth mobile broker serving over 6 million clients • Opportunity to share knowledge, mentor colleagues and raise the frontend engineering standard