08/05/2026 updated


100 % available
Senior Frontend Engineer | React & Next.js | Frontend Architecture | Performance Optimization
Thane, India
Only remote
B.Tech, Computer Science & EngineeringAbout me
I am Senior Frontend Engineer based in Mumbai, India. He brings over 7 years of experience architecting high-performance web applications using React.js and Next.js. My technical expertise spans across multiple high-growth domains, including FinTech, EdTech, Healthcare, Finance, and E-commerce
As a Senior Frontend Engineer with 7+ years of experience specializing in React, Next.js, and web performance optimization, I focus on transforming complex system architectures into fast, scalable, and highly impactful user experiences. My expertise spans enterprise applications, SaaS platforms, and modern AI-assisted engineering workflows
Frontend Architecture: React.js (Hooks, Context, Concurrent Rendering), Next.js (SSR, SSG, ISR, App Router), TypeScript (Generics, Utility Types), Server-Driven UI (SDUI), Micro Frontends, and Component Design Systems.
Performance Engineering: Core Web Vitals (LCP, CLS, INP), Bundle Optimization, Code Splitting, Lazy Loading, Critical CSS Inlining, Tree Shaking, and Lighthouse/Real User Monitoring (RUM).
State Management & APIs: Redux Toolkit (RTK), TanStack Query (React Query), Context API, REST APIs, and AI API Integrations.
Testing & DevOps: Unit Testing with Jest, E2E testing with Playwright, GitHub Actions CI/CD pipelines, AWS Cloud, and JIRA.
AI-Assisted Engineering: Vercel AI SDK, LLM APIs (Claude, DeepSeek), Aider, and Claude Code to accelerate software delivery.
Senior Frontend Engineer | AI Craft Studio (Engineering Studio)
Jan 2025 – Present (Remote, India)
- Architected Reusable Foundations: Designed production-ready Next.js web application baselines and shared UI components, cutting boilerplate setup time by 40% to rapidly deliver SEO-optimized web applications.
- Healthcare Web Platform Implementation: Built a modular healthcare website deploying Next.js, TypeScript, and Tailwind CSS. Integrated complex appointment workflows to reduce future deployment efforts.
- Technical Leadership: Conducted 1-on-1 technical coaching and mentorship for 50+ engineers focused on React, Next.js ecosystem, and front-end system design.
Senior Frontend Engineer | Founder & Lightning Pvt Ltd
Senior Frontend Engineer | Founder & Lightning Pvt Ltd
Nov 2022 – Dec 2024 (Remote, India)
- Server-Driven UI Platform: Led the architecture of a Server-Driven UI (SDUI) platform for Isio Engage, powering a pension platform serving 250K+ corporate members. This allowed product and design teams to ship immediate UI updates without engineering deployments, unblocking 5+ engineers and compressing release cycles from months to weeks.
- Performance Optimization: Drastically optimized Core Web Vitals, reducing p75 Largest Contentful Paint (LCP) from 12 seconds down to 4 seconds. This was achieved through strategic code splitting, lazy loading, and critical CSS inlining, directly increasing pension enrollment conversions.
- SEO & Data Migration: Migrated 20+ search-critical corporate pages over to Next.js SSR, drastically reducing page rendering latency and lifting organic discovery tracking.
Experience
Professional experience5 - 10 years
Freelancer since2021
Languages
EnglishFluent
Project history
Designed reusable Next.js application foundations and shared UI components, reducing boilerplate setup time by 40% to accelerate delivery of SEO-optimized web applications while integrating AI-assisted development workflows. Designed a reusable healthcare web platform using Next.js, TypeScript, and Tailwind CSS with modular architecture, reusable UI components, and integrated appointment workflows. Mentored 50+ engineers through one-to-one technical coaching on React, Next.js, frontend architecture, interview preparation, and engineering best practices.
Led the architecture of a Server-Driven UI (SDUI) platform powering 250K+ corporate pension members, enabling product and design teams to ship UI changes without engineering deploys, unblocking 5+ engineers and reducing release cycles. Drove frontend performance optimization, reducing p75 LCP from 12s to 4s through code splitting, lazy loading, and critical CSS inlining. Migrated 20+ SEO-critical pages to Next.js SSR and implemented analytics tracking. Developed React-based reusable UI components (Storybook) and introduced Jest unit tests. Worked asynchronously with cross-functional teams across UK time zones.
Stepped away to support family business. Returned to active engineering at Founder & Lightning Pvt Ltd.