MARGO

Front-End Developer – React or Angular (Front Office & Risk Systems)

MARGO
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8 months ago
London, United KingdomSenior

Responsibilities

  • Design and develop high-performance front-end applications using React or Angular.
  • Own UI architecture, component design, state management, scalability, and maintainability.
  • Build real-time and data-intensive interfaces with efficient rendering and responsive user experiences.
  • Consume APIs and event-driven or streaming data sources while integrating with backend systems.
  • Apply clean-code, testing, documentation, refactoring, and code-review practices.
  • Collaborate with backend, production, infrastructure, QA, and business teams.
  • Provide front-end technical guidance, mentoring, knowledge sharing, and continuous improvement.

Requirements

  • Strong experience as a Front-End Developer on complex web applications.
  • Expert-level proficiency in either React or Angular.
  • Solid understanding of front-end architecture and design patterns.
  • Experience building scalable and maintainable UI platforms.
  • Strong understanding of performance optimization and user experience in real-time environments.
  • Ability to work in demanding Front Office, Risk, data-intensive, or analytical environments.
  • Excellent communication and collaboration skills.
  • Experience with real-time communication patterns, data grids, performance profiling, testing frameworks, or Front Office and Risk systems is valued but not restrictive.
  • Mentoring or technical leadership experience is valued.

Benefits

  • Permanent and contracting opportunities are available.
  • The role is based in London, UK.
  • Access to complex Front Office and Risk UI platforms, engineering-focused practices, and long-term career opportunities across engineering and architecture.

Tech Stack

AngularJavaScriptReactReduxTypeScriptWebpack

Categories

MARGO

About MARGO

11-50 employees
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