Frontend Engineer (React Native)
IG is a FTSE100 fintech operating across five continents, providing a leading retail trading and investment platform. The company delivers a fully licensed, FCA‑regulated crypto trading platform and operates on a scalable cloud‑native AWS architecture.
Team
Join IG UK’s Crypto Product Engineering team, the core group responsible for building the company's top strategic priority – a market‑leading crypto trading platform.
Responsibilities
* Lead the development of complex ReactNative features for trading platforms across mobile and web, ensuring optimal performance and user experience.
* Architect and implement scalable cross‑platform solutions that handle real‑time financial data streams and high‑frequency trading operations.
* Collaborate with backend engineers, designers and product managers to deliver features that drive business growth and champion the client.
* Participate in the full product lifecycle – from requirements discussions to seeing customers using your software in production.
* Mentor junior developers and contribute to technical decision‑making that shapes mobile and web development standards.
* Own end‑to‑end delivery of features, taking accountability for performance, reliability and user experience across all platforms.
* Drive cross‑platform innovation, implementing cutting‑edge technologies to stay ahead in the fintech landscape.
* Leverage AI‑assisted development tools to accelerate delivery, improve code quality and stay at the cutting edge of modern engineering practices.
* Think strategically about frontend architecture – challenge the status quo, propose improvements and help shape the technical direction of our mobile and web platforms.
Qualifications & Requirements
* Extensive experience in ReactNative development with a proven track record of delivering production mobile and/or web applications.
* Strong expertise in JavaScript/TypeScript, React hooks, Redux/Context API and cross‑platform development best practices.
* Experience with native mobile development (iOS/Android) and the ability to write custom native modules when required.
* Solid understanding of React performance optimisation, including memory management, rendering optimisation and efficient API integration.
* Experience with real‑time data handling, WebSocket connections and high‑frequency data updates.
* Knowledge of CI/CD pipelines, automated testing frameworks and deployment processes.
* Experience with AI‑assisted development tools – engineers are expected to view AI as a force multiplier, not a replacement.
* Strong English language communication skills and the ability to work effectively in globally distributed, cross‑functional teams.
* A keen interest in ongoing learning, both business and technical – a deep understanding of IG’s trading products and financial markets is a plus.
* Excellent problem‑solving skills with a quality‑first, ownership mindset.
Preferred Skills
* Familiarity with financial services or trading platforms.
Location & Working Model
This is a hybrid position: three days onsite in the office and two days remote.
Benefits
* Competitive salary and a flexible benefits package (12% on top of base).
* Private medical cover for you and your family.
* Life insurance and gym membership contributions.
* 25 days holiday, with an additional birthday day and two days for voluntary work (28 days total).
* Option to buy or sell holiday days.
* Unlimited LinkedIn Learning access.
* Comprehensive global and local onboarding and clear career progression pathways.
* Employee‑led diversity, equity and inclusion networks and ESG initiatives.
* Enhanced parental leave and pay options.
Equal Opportunity
IG Group is an equal opportunity employer and celebrates diversity in all its forms.
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