Senior Full Stack Developer (React-Focused)

We're looking for a React-strong Full Stack Engineer to join a Front Office applications team. The role is Front End-heavy and focuses on refactoring and improving high-performance UIs used across trading, regulatory and operations workflows. You'll work closely with product, engineering and business teams to deliver fast, scalable, well-tested interfaces., * Lead React UI development - refactor complex Front End codebases and deliver high-quality, performant interfaces.

• Build reusable components and scalable client-side architecture.
• Collaborate with Java Back End teams on API design and data flows.
• Optimise performance for large datasets (search, filtering, paging).
• Write strong tests - unit, integration, CI pipelines.
• Contribute to design discussions, code reviews and mentoring.
• Work with product, BA and QA teams to turn requirements into polished user experiences.
• Participate in on-site technical interviews as needed.

• Expert React engineering - hooks, functional components, performance tuning.
• Strong Front End architecture and clean-code mindset.
• Working knowledge of Java and integrating React with Java-based services.
• Experience building UIs that handle large datasets with high responsiveness.
• Familiarity with modern tooling: Webpack/Vite, Babel, ESLint, Jest, React Testing Library.
• Solid understanding of state management (Redux, Context, etc.).

Nice-to-Have

• Experience in financial services/trading/regulatory environments.
• Strong TypeScript skills (preferred).
• Experience with Real Time or search-heavy UI performance engineering.
• Computer Science degree