Yazhini Govindarajan
London
Summary
Accomplished Front-End/UI Developer with 12+ years of experience building real-time trading platforms and financial applications. Expert in React, TypeScript, GraphQL, Redux, and modern JavaScript frameworks, with proven success in delivering low-latency, high-performance UIs for trading environments. Skilled in state management, scalable component architectures, and real-time data processing, with a strong track record of improving usability and system performance. Adept at Agile collaboration, mentoring, and delivering enterprise-grade front-office solutions.
Overview
14
14
years of professional experience
Work History
Senior Front-End Developer
FDM Group
London
03.2025 - Current
- Built and enhanced real-time trading blotters and factor management features, delivering up-to-the-second trading data for front-office users.
- Implemented GraphQL subscriptions and WebSockets to provide continuous live updates, ensuring traders had accurate and timely information.
- Leveraged GraphQL Code Generator (Codegen) to generate strongly-typed queries, mutations, and subscriptions, improving type safety, reducing runtime errors, and boosting developer productivity.
- Developed scalable, reusable UI components using TypeScript, React Hooks, and AG Grid, enabling efficient display and manipulation of large datasets in complex trading workflows.
- Implemented efficient state management with Context API, ensuring smooth data flow across components and consistent UI updates.
- Collaborated with business analysts and backend teams to deliver reliable and accurate front-office trading workflows.
- Optimized performance for high-frequency trading updates, minimizing rendering bottlenecks and enhancing responsiveness.
- Integrated error handling and fallback UI mechanisms to maintain platform stability during volatile market conditions.
Senior Front-End Developer
Ennovision Technology Solutions
London
07.2021 - 08.2024
- Developed a high-performance fixed income trading platform using Chromium, React, TypeScript, and Redux, improving X-Pro stability and usability.
- Migrated codebase from JavaScript to TypeScript, reducing runtime errors, improving readability, and enabling easier refactoring.
- Contributed to $3.6B in trades (22% of US market) through a high-performance trading platform.
- Designed modular, reusable React components and optimized performance with lazy loading, code splitting, React Suspense, and reduced redundant rendering.
- Implemented real-time updates via WebSockets, ensuring accurate and up-to-the-second trading data.
- Conducted code reviews, mentored junior developers, and implemented Error Boundaries with fallback UI to enhance platform reliability.
- Mentored junior developers and conducted code reviews, promoting high-quality coding standards and team productivity.
- Implemented Error Boundaries and responsive UI updates, ensuring reliability during volatile market conditions while maintaining project momentum.
Front-End Developer
Tata Consultancy Services
Bangalore
02.2012 - 07.2021
- Designed and developed responsive, secure, and user-friendly web and mobile interfaces for banking clients, improving workflow efficiency and customer experience across multiple platforms.
- Built customizable dashboards and modular React components, enabling faster feature updates and maintainable codebases.
- Implemented real-time data updates via WebSockets and optimized performance through lazy loading, code splitting, and responsive design techniques, enhancing application speed and responsiveness.
- Collaborated with backend teams to ensure secure data handling, transaction processing, and compliance with financial regulations, including two-factor authentication (2FA) integration.
- Applied Agile practices, including sprint planning, code reviews, and CI/CD, ensuring timely delivery and high-quality code.
- Leveraged frameworks like Backbone.js and Handlebars.js to manage complex user interactions and reusable templates in large-scale legacy applications.
- Conducted cross-browser testing, design reviews, and documentation (HLD/LLD), ensuring consistent functionality and adherence to client specifications.
- Coordinated with UX/UI designers to translate design mockups into functional, accessible components, improving usability across devices and screen sizes.
Education
B.Tech - Information Technology
Anna University
Coimbatore01.2011
Skills
- Programming & Languages: JavaScript (ES6), TypeScript, HTML5, CSS3, SCSS, SASS, Tailwind
- Frameworks & Libraries:ReactJS, Redux, Context API, RxJS, React Query, GraphQL, BackboneJS, HandlebarsJS, jQuery, Bootstrap, NodeJS, Material-UI, Ag-grid
- FinTech & Trading Expertise: Real-Time Data Processing, Low-Latency UI Design, High-Frequency Updates, Market Data Integration, Trading Platform Interoperability
- Testing & Debugging: Jest, Mocha, Chai, React Testing Library, React DevTools, Enzyme
- Tools & Platforms: Git, GitHub, Bitbucket, Jira, Webpack, Babel, NPM, Jenkins, VS Code
- Agile & Collaboration: Agile/Scrum, CI/CD pipelines, Cross-functional teamwork, Code Reviews, Mentoring
Timeline
Senior Front-End Developer
FDM Group
03.2025 - Current
Senior Front-End Developer
Ennovision Technology Solutions
07.2021 - 08.2024
Front-End Developer
Tata Consultancy Services
02.2012 - 07.2021
B.Tech - Information Technology
Anna University