
Harshdeep Bilaiya
Verified Expert in Engineering
Front-end Developer
Pune, Maharashtra, India
Toptal member since April 14, 2025
Harshdeep is a skillful senior front-end developer with 9+ years of experience. Adept in Angular, TypeScript, and React, he showcases his expertise in UI optimization, project leadership, and innovation. With a proven track record in cross-functional collaboration, reducing bottlenecks, and accelerating project timelines, he is interested in technologies like Three.js and Svelte. Harshdeep brings a growth mindset and proficiency to drive impactful solutions in a collaborative team environment.
Portfolio
Experience
- CSS3 - 9 years
- JavaScript - 9 years
- HTML5 - 9 years
- Git - 8 years
- ECMAScript (ES6) - 8 years
- TypeScript - 6 years
- Angular - 6 years
- React - 3 years
Availability
Preferred Environment
Slack, MacOS
The most amazing...
...project I've worked on was a 3D car visualizer for reputed automotive company, driving user engagement and sales.
Work Experience
Staff Engineer
Nagarro
- Migrated an Angular 13 application to Angular 18, modernizing the development environment and reducing app bundle size by 10%.
- Collaborated with client stakeholders' cross-functional teams, including PO, QAs, BAs, designers, as well as back-end, Android, and iOS developers, identifying and resolving bottlenecks and bugs and reducing user-reported issues by nearly 10%.
- Conducted Angular training for 15+ engineering colleagues as a part of a re-skill program, improving project efficiency and resource utilization.
- Developed and owned customer-facing features such as license disc renewal and traffic fines payment, achieving over 10,000 users on the release date.
Software Designer
Globant
- Identified problems faced by clients due to large app bundle size. Migrated AEM-based React app into micro-front-end architecture, increasing speed and efficiency and reducing app bundle and page load time by nearly 50%.
- Demonstrated problem-solving and quick learning abilities with Three.js using React and React Three Fiber (R3F). Ensured cross-browser compatibility and optimized WebGL performance for various devices and platforms, reducing load times by 25%.
- Built scalable, high-performance, SEO-compliant Angular 8 applications for airline clients from the ground up. Mentored junior developers and elevated code quality, achieving 40% higher user satisfaction and a nearly 30% faster booking process.
- Presented Svelte and SvelteKit to 100+ developers in an online seminar, demonstrating and highlighting their benefits. The positive feedback I received led to increased interest and adoption in ongoing projects.
Programmer Analyst
Cognizant
- Transformed design concepts into efficient, reusable, responsive, and intuitive user interfaces using JavaScript, JQuery, HTML5, and CSS3 for 3+ projects.
- Developed accessible web pages compatible with JAWS, NVDA, TalkBack, and voiceover, benefiting 100,000+ users.
- Created and maintained a consistent design language with a widely adopted component library for US-based banking and financial services (BFS) clients, utilized in 5+ project modules, ensuring efficiency across projects.
Experience
Banking and Financial Services Application
Flight Ticket Booking Application
3D Car Visualizer
Education
Bachelor's Degree in Computer Science
Rajiv Gandhi Technical University - Bhopal, India
Skills
Libraries/APIs
React, RxJS, Three.js, NgRx/store, jQuery, Node.js
Tools
Git, Slack
Languages
JavaScript, TypeScript, HTML5, CSS3, ECMAScript (ES6), Java
Frameworks
Angular, Svelte
Platforms
Visual Studio Code (VS Code), MacOS
Paradigms
Unit Testing
Other
Responsive Web Apps, Web Accessibility, Responsive UI, React Three Fiber (R3F)
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