MARGO - Front-End Developer – React or Angular (Front Office & Risk Systems)
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 attention to performance and user experience • · Ability to work in demanding Front Office or Risk environments • · Excellent communication and collaboration skills • Valued (but not restrictive) • · Exposure to Front Office, Risk or real-time systems • · Experience working on data-intensive or analytical UIs • · Familiarity with real-time communication patterns • · Mentoring or technical leadership experience
Responsibilities
• Front-End Architecture & Development • · Design and develop high-performance front-end applications using React or Angular • · Own UI architecture, component design and state management • · Build data-intensive and real-time user interfaces • · Ensure scalability, maintainability and long-term evolvability of UI platforms • · Apply best practices around clean code, refactoring and testing • Real-Time & Performance Considerations • · Develop UIs consuming real-time or near real-time data streams • · Manage high-frequency UI updates and rendering efficiency • · Optimise performance under real-time constraints • · Control latency perception, responsiveness and user experience • · Work with event-driven and streaming data sources • Collaboration & Integration • · Work closely with backend teams to define and consume APIs • · Collaborate with production, infrastructure and QA teams • · Translate business and user needs into robust UI solutions • · Act as a technical reference on front-end topics within the team • Quality & Engineering Standards • · Enforce high standards for code quality, testing and documentation • · Participate in code reviews and architectural discussions • · Contribute to continuous improvement of front-end practices and tooling • · Support mentoring and knowledge sharing while remaining hands-on • Technical Environment • Core Front-End Technologies • · React OR Angular (expert level – one is mandatory) • · TypeScript and modern JavaScript • · State management (Redux, NgRx or equivalent) • · HTML5, CSS3 and modern styling approaches • · Component-based architecture and modular design • Real-Time & Performance Constraints • · User interfaces consuming real-time or near real-time data • · High-frequency UI updates and data refresh mechanisms • · Performance optimisation under real-time constraints • · Management of rendering efficiency, responsiveness and latency perception • · Interaction with event-driven and streaming data sources • Valued Front-End Exposure • · Real-time UI patterns (WebSockets, streaming APIs or equivalent) • · Data grids and complex visual components • · Performance profiling and optimisation techniques • · Modern build tools and frameworks (Vite, Webpack or equivalent) • · Unit and integration testing frameworks • Supporting Technologies (Context) • · API-driven architectures • · Authentication and authorisation mechanisms (SSO, JWT, OAuth or similar) • · CI/CD pipelines and version control systems • · Interaction with backend systems and databases
Benefits
• · Access to complex Front Office and Risk UI platforms • · Strong emphasis on engineering quality and clean front-end architecture • · Real-time, performance-sensitive UI challenges • · Human-sized consultancy with close support and long-term focus • · Long-term career opportunities across engineering and architecture • Interested? Motivated? Apply on our website or at [email protected]
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