• Architect and develop scalable microfrontends using React.js, Next.js, and TypeScript, integrating with Node.js/Express.js backend services to serve 50,000+ daily active users on client-facing financial dashboards

• Design and implement secure RESTful APIs and GraphQL endpoints with JWT and OAuth 2.0 authentication, reducing average response latency by 30% through optimized database queries in PostgreSQL and Redis caching

• Lead migration of legacy codebase to modern React with Tailwind CSS and Material UI, improving page load speed by 40% and achieving 95+ Lighthouse scores across all core web vitals

• Implement comprehensive testing strategy using Jest, React Testing Library, and Cypress for end-to-end coverage, achieving 90% code coverage and reducing production bugs by 25%

• Collaborate with product and design teams using Figma and Adobe XD prototypes, translating designs into responsive, accessible components following WCAG 2.1 standards

• Deploy and monitor applications on AWS infrastructure (EC2, S3, Lambda, CloudFront) using Docker containers and GitHub Actions CI/CD pipelines, ensuring 99.9% uptime

• Engineered enterprise-grade web applications using Angular, Node.js, and Spring Boot for US-based banking and healthcare clients, processing 1M+ daily transactions with microservices architecture

• Designed normalized database schemas in MySQL and MongoDB, implementing complex SQL queries and indexing strategies that improved data retrieval efficiency by 35%

• Built reusable component libraries with Angular Material and SCSS, ensuring consistent UI/UX across 10+ client projects and reducing development time by 20%

• Implemented CI/CD pipelines using Jenkins and Docker, automating build, test, and deployment processes across development, staging, and production environments

• Mentored 3 junior developers through code reviews, pair programming sessions, and technical workshops, accelerating their ramp-up time by 40%

• Collaborated with US-based clients in Agile/Scrum ceremonies to gather requirements, demonstrate features, and incorporate feedback through iterative development cycles