Sumit Lohar
Frontend Developer | React.js | JavaScript | 3+ Years Experience
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About
Frontend Developer with 3+ years of experience designing and developing scalable, high-performance web applications using React.js, Vue.js, and JavaScript (ES6+). Skilled in building reusable component libraries, RESTful API integration, responsive web design, and cross-functional team collaboration. Proven track record of improving application performance by up to 25%, reducing manual workflows by 40%, and delivering pixel-perfect, user-centric interfaces.
Utilizes AI-assisted development tools such as GitHub Copilot, Claude, Cursor, and ChatGPT to improve development efficiency and code quality - regardless of domain or framework. Experienced in Agile development environments with a strong focus on code quality, optimization, and continuous improvement.
Experience
Frontend Developer - Greynium Information Technologies Pvt. Ltd. - Bangalore, India
(2025-07)
- Designed and developed scalable frontend modules using React.js, Vue.js, improving UI performance and enforcing consistent component design patterns across the platform.
- Integrated RESTful APIs and optimized data rendering, reducing UI response time by 25% and increasing estimated user efficiency by 30%.
- Collaborated with a cross-functional team of backend engineers, UI/UX designers, and QA to deliver pixel-perfect, responsive implementations on schedule.
- Applied best practices in state management, component lifecycle handling, and performance optimization to improve application stability and reduce future development effort by 15%.
Frontend Developer - HOLA9 Classifieds India Pvt. Ltd. - Bangalore, India
(2023-02 - 2025-07)
- Developed and maintained responsive, cross-browser compatible web interfaces for a classified listings platform serving thousands of users across mobile, tablet, and desktop.
- Improved website performance by 25% through lazy loading, asset optimization, and elimination of unnecessary DOM re-renders.
- Built reusable React.js component library that reduced coding time and streamlined development across multiple concurrent projects.
- Worked closely with a 5-member product and design team to ship features on time with high code quality.
Education
Bachelor of Engineering - BE - Jain College of Engineering, Belagavi (2022)
PUC - 12th - Malagouda Patil KLE's College, Raibag (2018)
