Frontend Developer
📧 sumitsingh841208@gmail.com | 📱 +91 9060073705
Passionate Frontend Developer with 3+ years of experience building scalable web applications using React, Next.js, and modern tooling. Specializes in performance optimization, user-centric design, and integrating analytics for data-driven decision-making.
📍 Gurgaon, India | 📅 Apr 2023 – Present
- Engineered a JavaScript script automation tool reducing manual effort by 99%.
- Migrated legacy React.js/CSS codebase to Next.js + Tailwind CSS, improving responsiveness.
- Integrated PostHog, Hotjar, and Unleash for user analytics and A/B testing.
📍 Noida, India | 📅 Nov 2021 – Apr 2023
- Boosted website speed by 35% via code splitting and memoization.
- Built SEO pages with Next.js SSG/ISR and contributed to a Strapi CMS.
- Unified Google Analytics, Amplitude, and MS Clarity for cross-platform insights.
- ByteLearn Edtech: Role-based auth system & Jest unit tests (Sep 2021 – Nov 2021).
- Mapup: React Native app for optimized route selection (Feb 2021 – July 2021).
- Languages: JavaScript (ES6+), TypeScript, C++
- Frontend: React.js, Next.js, HTML5, CSS3, Tailwind CSS
- State Management: Redux Toolkit
- Testing: Jest, React Testing Library
- Tools: Git, Jira, PostHog, Hotjar
- Analytics: Google Analytics, Amplitude, MS Clarity
- React/Next.js interview platform with SEO optimization and Atomic Design.
- Result: 50% SEO ranking improvement & 30% fewer UI bugs.
- Job portal with Sanity CMS and debounced search.
- Result: 95% Lighthouse accessibility score.
- E-commerce platform with Stripe API and Commerce.js.
- Result: 45% faster load times via code splitting.
B.Tech in Computer Science
Nalanda Institute of Technology | 📅 2017 – 2021
Building an Augmented Reality app with React Native & React Viro.
const sumit = {
pronouns: "He/Him",
code: ["JavaScript", "TypeScript", "C++"],
askMeAbout: ["Web Dev", "React Native", "Competitive Programming"],
technologies: {
mobileApp: ["React Native"],
frontEnd: {
js: ["React", "Next.js"],
css: ["Tailwind CSS", "Material-UI", "Chakra UI"]
},
databases: ["MongoDB"],
tools: ["PostHog", "Jest", "Git"]
},
architecture: ["Progressive Web Apps", "Serverless Architecture"]
};