UI Engineer

Company: mthree
Apply for the UI Engineer
Location: London
Job Description:

UI Engineer (React.js) – Global Markets Technology – Investment Bank


Behind every trade, market move, and risk calculation, there’s a user interface that needs to perform flawlessly. This leading global investment bank is seeking a UI Engineer (React.js) to join its Global Markets Technology team in London (hybrid, 3 days in office), where you’ll design and build modern, responsive, and data-driven interfaces that turn complexity into clarity for trading, risk, and analytics platforms used worldwide.


Responsibilities:



  • Collaborate with UX, product, and backend teams to deliver seamless, user-centric solutions.

  • Translate complex business and technical requirements into intuitive, scalable front-end code.

  • Contribute to code reviews, testing, and engineering best practices.

  • Mentor junior engineers and help drive standards across the team.


Skills & Experience:



  • Experience building large-scale, enterprise-grade applications.

  • Knowledge of state management frameworks (Redux, Context API, etc.).

  • Understanding of UI/UX principles and performance optimization.

  • Familiarity with testing frameworks and CI/CD pipelines.

  • Excellent problem-solving and collaboration skills.


Nice to have:



  • Financial services or trading systems experience.

  • Exposure to Agile practices, cloud platforms, and container technologies.

  • Knowledge of data visualization libraries (e.g., D3.js, Highcharts).

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Posted: September 24th, 2026