Raja ArumugamLead Frontend Developer
I am a highly experienced Frontend Developer with over 15 years of expertise in Angular, React, TypeScript, and modern component-driven architecture. I specialize in designing and delivering scalable, high-performance applications, with a strong focus on financial services, investment banking, and wealth management domains.
My professional background includes providing leadership in solution architecture, mentoring development teams, and fostering technical excellence. I am committed to building accessible, responsive, and performance-optimized web applications that meet the highest standards of usability and maintainability.

Core Competencies
Frontend & Cross-Platform Development
Angular, React, Next.js, React Native, Redux, TypeScript, JavaScript (ES6+), HTML5, CSS3, Tailwind CSS, SASS, jQuery
Backend Integration
API integration (REST, GraphQL), Node.js, NestJS, authentication/authorization handling, error management
UI Performance Engineering
JavaScript execution mechanics, memory profiling, rendering optimization
Real-time Data Visualization
D3.js, Highcharts, Vis.js, WebSockets, RxJS, Next.js
UX Design & Tools
Figma, Adobe Photoshop, Adobe Illustrator, Storybook, usability testing, wireframing, prototyping, design systems.
System Design & Architecture
Modular design systems, component libraries, Webpack optimization
Development Workflows
Git, GitHub, GitLab, Bitbucket, Agile methodologies, branching strategies, code reviews
Build & CI/CD Tools
Jenkins, GitHub Actions, Docker, NPM, Webpack
Testing & Quality Assurance
Cypress, Jest, Pact, TDD, E2E testing, WCAG compliance
Accessibility & Cross-Browser Support
WCAG standards, Chrome DevTools, performance audits
Leadership & Collaboration
Team mentorship, technical leadership, stakeholder communication, delivery under tight deadlines
Clients

Senior Frontend Developer & Tech Lead
- Architected and led the architecture and development of a React + TypeScript wealth management platform with real-time dashboards.
- Built high-performance React + Highcharts apps with reusable component libraries.

Lead frontend developer
- Led global mobile dev team in hybrid mobile app development
- Modernized legacy banking and media platforms for improved UI performance, SEO, and real-time data handling

Design Lead
Enhanced legacy banking for responsive performance and accessibility

Senior Frontend Developer
Implemented design systems reducing delivery time by 50%.

Tech Lead
Revamped booking systems with modern UI/UX, improving customer engagement.

Technical Lead
Led the development of intranet web applications powered by AEM as a content management system
Hobbies & Interests
Photography
Design
Movies
Story Writing