Sundar Gautam Senior React Developer | Team Lead Kathmandu, Nepal | +977-9824961070 | sundargautam2022@gmail.com | sundargautam.com.np | linkedin.com/in/sundargautam | github.com/sundargautam18 PROFESSIONAL SUMMARY -------------------- Senior React Developer and Team Lead with 6+ years of experience building SaaS and marketplace products with React.js, Next.js, TypeScript and Node.js, plus hands-on Flutter experience. Currently leading a development team at AITC International that delivers web and mobile products, including the Mercury 360 AI HR platform, the Annapurna Art international marketplace and the AITC Homes apartment management app. Also builds and runs independent products, including Tream, a full-stack platform of games for TikTok LIVE, and the open-source SEOAnything npm package. Focused on clean architecture, performance and mentoring developers. SKILLS ------ Frontend: React.js, Next.js, TypeScript, JavaScript (ES2023), Tailwind CSS, Angular, HTML5, CSS3 TanStack & State: TanStack Query, TanStack Router, TanStack Start, TanStack Table, TanStack Form, Redux, Zustand Backend: Node.js, NestJS, Hono, Express, REST APIs, WebSockets, PostgreSQL, MongoDB AI: Vercel AI SDK, AI chat & assistants, Streaming UIs Mobile: React Native, Flutter, Dart Practices & Tools: Git, Vercel, Progressive Web Apps, System Design, Performance Optimization, Technical SEO, UI/UX, Agile / Scrum, Code Review, Mentoring PROFESSIONAL EXPERIENCE ----------------------- Team Lead, AITC International Bhaktapur, Nepal | Full-time | Oct 2022 – Present - Lead architecture and delivery of React.js / Next.js web apps and Node.js APIs - Built the Next.js front end for the Mercury 360 AI ecosystem: the main website and the Mercury Jobs candidate portal, alongside Mercury Recruit - Worked on Mercury ChatBot, a LiveChat-style website chat product that answers visitors, captures enquiries and hands off to a human agent - Built Annapurna Art, an international art marketplace with artist onboarding, curated collections, virtual exhibitions and a full admin panel - Contributed to AITC Homes, an apartment and visitor management system for housing societies: built on the React web admin and assisted on the Flutter app - Mentor developers, run code reviews and coordinate with cross-functional teams Creator & Developer, Independent products Kathmandu, Nepal | Self-employed | Sep 2026 – Present - Tream: designed and built full stack, eight games for TikTok LIVE that viewers play by typing in chat, with subscriptions and a free trial - SEOAnything: an open-source npm package that gives AI coding agents nine SEO and GEO skills plus a CLI auditor - NepalPremierLeague.site: NPL live scores, schedule and points table, read by 400+ cricket fans a day - Dashain Games: nine traditional Nepali card, board and dice games, free and offline-ready in the browser Admin, Routine of Nepal Technology Kathmandu, Nepal | Full-time | Jan 2022 – Present Technology and social media administration. Frontend Developer, Cagtu Nepal Kathmandu, Nepal | Full-time | Jun 2021 – Jun 2022 - Designed and developed a service booking platform using Next.js and React.js - Built complex UI components with state management using Redux and Zustand - Implemented performance optimizations like code splitting, lazy loading and memoization React.js Instructor, Coursly Nepal Kathmandu, Nepal | Part-time | Feb 2021 – Aug 2021 - Taught HTML, CSS and JavaScript fundamentals through advanced React.js - Conducted hands-on React.js sessions, assignments and grading - Created an inclusive, collaborative learning environment Back End Developer, Swivt Hong Kong (Remote) | Full-time | Jan 2020 – Feb 2021 - Developed a real-time bidding system using Node.js - Collaborated on Bhavika Store, an online Indian grocery store for customers in Hong Kong - Communicated directly with international clients to meet project goals SELECTED PROJECTS ----------------- Mercury 360, AI SaaS platform Frontend Lead | Mercury 360 | https://mercury360.ai/ Mercury 360 brings recruitment, people management, communication and customer operations onto one platform, so teams work from a single source of truth instead of a dozen disconnected tools. Tech: Next.js, React.js, Incremental Static Regeneration, AI assistant (Cury), Role-based access, REST APIs Annapurna Art, Online marketplace Lead Developer | AITC International | https://annapurnaart.com/ An online art gallery and marketplace where collectors discover and buy original paintings, sculpture, photography and digital art, and artists from Nepal, Africa and beyond sell their work worldwide. Tech: Next.js, React.js, Tailwind CSS, Node.js, MongoDB, AWS CloudFront AITC Homes, SaaS + mobile app Web Contributor & Flutter Support | AITC International | https://aitchomes.com/ An all-in-one community management system that gives apartment residents, security guards and management teams their own app for visitors, security, maintenance and finances. Tech: Flutter, Dart, Next.js, React.js, Node.js, PostgreSQL Tream, SaaS for live streamers Creator & Full-Stack Developer | Personal project | https://tream.app/ A set of eight games for TikTok LIVE. The streamer shares a game on screen and viewers play by typing in the comments, with no gifts, links, apps or sign-ups. Tech: Real-time chat games, Stream overlay view, Subscription billing, Technical SEO NepalPremierLeague.site, Side project Creator & Developer | Personal project | https://nepalpremierleague.site/ An independent fan site for Season 3 of the Nepal Premier League, with auto-refreshing live scores, full scorecards, fixtures in Nepal time, a points table with net run rate, squads, player stats and news. Tech: Progressive Web App, Auto-refreshing live data, Technical SEO, Structured data, RSS Dashain Games, Side project Creator & Developer | Personal project | https://dashain.site/ A free collection of the games Nepali families play during Dashain and Tihar: Teen Patti, Call Break, Jut Patti, Marriage, Bagh-Chal, Ludo, Snakes and Ladders, Carrom and Langur Burja. No download, no sign-up. Tech: Progressive Web App, Offline-first, Real-time multiplayer, Game AI, 3D dice SEOAnything, Open-source npm package Creator & Maintainer | Open source (MIT) | https://www.npmjs.com/package/seoanything An npm package that equips AI coding agents with up-to-date SEO and Generative Engine Optimization skills, plus a CLI that audits pages and generates JSON-LD, llms.txt and sitemaps. Tech: Node.js, CLI, Agent skills, Technical SEO, Structured data, llms.txt