Payal Pagariya

Full-Stack Development: Delivered end-to-end features across 8+ production applications (MyJio, JioGames, national portals) using React, Node.js/Express, GraphQL, and PostgreSQL/MongoDB, collaborating with product and design teams to serve millions of users. Performance Optimization: Reduced bundle sizes by 30% and improved API response times by 60% through code-splitting, lazy loading, query optimization, and caching strategies. Migrated 5 legacy Angular games to React/Preact, improving load performance by 40%. High-Traffic Systems: Built scalable React application with GraphQL APIs for BJP Election Manifesto portal handling thousands of concurrent users with 99%+ uptime. Implemented secure JWT authentication and role-based access control across multiple applications. Testing & Code Quality: Established comprehensive testing practices using Jest and React Testing Library across 15+ components. Standardized codebase with ESLint + Prettier, implemented Redux Thunk patterns, and mentored 3 junior developers through code reviews. Cross-Functional Impact: Collaborated with government stakeholders on Mera Sansad and Citizen View portals. Participated in Agile sprints, contributed to CI/CD improvements, and created React Flow visualizations for data workflows. Awarded Spotlight Award for technical excellence.