Headline

Senior Frontend Developer | 6-YOE | Open to Senior Frontend & Lead Frontend Roles

About

Senior Frontend Developer with 6 years of experience designing, building, and scaling large-scale web applications using React.js, Next.js, TypeScript, and JavaScript. Experienced in frontend architecture, design systems, performance optimization, state management, React Query, Microfrontends, Progressive Web Apps (PWA), accessibility, testing, and CI/CD. I collaborate closely with product managers, designers, and backend engineers to deliver scalable, high-performance user experiences in fast-paced Agile environments. Key areas of expertise: • React.js, Next.js, TypeScript • Frontend Architecture & Design Systems • React Query & Redux Toolkit • Performance Optimization • Microfrontends & Progressive Web Apps (PWA) • Accessibility (WCAG) • Unit & Integration Testing • AWS & CI/CD • Engineering Best Practices 📧 hemantjhaa97@gmail.com

Location

Gurugram

Work experience

Senior Software Engineer at Appinventiv, Aug 2024 - Present · 2 yrs, Noida, Uttar Pradesh, India, • Led the development of scalable, production-grade web applications using React.js, Next.js, and TypeScript, delivering high-performance user experiences for enterprise-scale products. • Architected reusable, component-driven frontend solutions and design patterns, improving code maintainability, scalability, and development velocity across multiple features. • Optimized application performance through code splitting, lazy loading, memoization, bundle optimization, and rendering strategies, significantly improving Core Web Vitals and page load performance. • Implemented Server-Side Rendering (SSR), Static Site Generation (SSG), and SEO best practices in Next.js, improving search visibility, crawlability, and initial page load performance. • Integrated REST APIs and managed complex asynchronous data flows using React Query and Redux Toolkit, ensuring efficient state management and responsive user experiences. • Collaborated closely with product managers, UX designers, backend engineers, and QA teams to translate business requirements into scalable, production-ready solutions. • Conducted code reviews, mentored junior developers, and championed engineering best practices, contributing to improved code quality and team productivity.

Senior Frontend Developer at CIPL - Corporate Infotech Pvt Ltd, Nov 2022 - Aug 2024 · 1 yr 10 mos, Noida, Uttar Pradesh, India, • Contributed to the development of large-scale government digital platforms for UPSC, modernizing critical workflows including online application processing, examination management, and candidate dashboards. • Developed scalable, responsive, and accessible user interfaces using React.js, TypeScript, and Redux Toolkit with a reusable component-based architecture. • Improved application performance through bundle optimization, lazy loading, rendering optimizations, and Lighthouse-driven performance audits, delivering a faster and more reliable user experience. • Implemented Server-Side Rendering (SSR) and SEO best practices, reducing initial page load time by over 60% and significantly improving search engine visibility. • Collaborated with cross-functional teams to deliver secure, production-ready features while adhering to government compliance and quality standards.

Software Engineer at Blue9 Technologies, Aug 2020 - Oct 2022 · 2 yrs 3 mos, Developed reusable React components for scalable and maintainable frontend applications. Implemented Redux state management to streamline application data flow. Optimized frontend performance to improve application responsiveness and initial load time.

Education

BTech - Bachelor of Technology, Electronics & Communication Engineering, Dr. A.P.J. Abdul Kalam Technical University

CBSE, Computer Science, Lal Bahadur Shastri Smarak Javm Sr School