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Resume/ Background & CV

Jay Singh Chauhan

Full Stack Developer & UI UX Designer

linkedin.com/in/jaysinghchauhanexe•github.com/jaysinghchauhanexe•jaysinghchauhan.com•work@jaysinghchauhan.com•New Delhi, India

Summary

Freelance full-stack software engineer and UI/UX designer with 5+ years of experience and 120+ completed projects. Skilled across front-end and back-end development, with a strong focus on responsive design, intuitive UI/UX, and translating design intent into production-ready interfaces. Adept at delivering high-quality, user-centered products independently.

Skills

  • •Languages/Frameworks — JavaScript, Node JS, TypeScript, HTML, CSS, Next JS, React JS, REST API
  • •Design & Product — Figma, UI/UX Design, Responsive Design, Design Systems
  • •Cloud/Database — Vercel, GCP, AWS, Firebase, PostgreSQL, MongoDB
  • •Platforms & Tools — WordPress, Shopify, Zustand, Agentic AI

Experience

Freelance Software Developer — FiverrJan 2020 – Present

Full Stack Developer & UI UX Designer

  • •Worked with 60+ clients internationally, managing diverse projects and solving complex technical challenges end-to-end
  • •Reached Level 2 Seller status on Fiverr through consistent delivery and client satisfaction
  • •WordPress Developer — Jan 2020 – Mar 2023
  • •React JS Developer — Mar 2023 – Present
  • •UI/UX Designer — Nov 2024 – Present

Tech — JavaScript, Node JS, React JS, Next JS, WordPress, Figma, Git, Vercel, AWS, Firebase, PostgreSQL

Insights MafiaNov 2024 – Mar 2025

UI/UX Designer

  • •Collaborated with 5+ agency clients to redesign existing websites and create modern web experiences, improving usability, responsiveness, and user engagement
  • •Managed multiple concurrent client projects while improving communication, workflow efficiency, and on-time delivery across teams

Tech — Figma, Adobe Photoshop, Adobe XD, Wix, Framer, HTML, CSS, JavaScript

Projects

Better Reports — Gen AI Business Reporting & Analytics Platform (SaaS)
  • •Developed a full-stack sales analytics platform managing 100,000+ invoices yearly, with advanced comparison reports and multi-filter analytics across products, customers, suppliers, invoice types, and date ranges
  • •Built the complete frontend + backend architecture with a strong focus on modern UI/UX, performance optimization, scalable data handling, and efficient state management using Zustand, alongside AI-powered insights and real-time data visualizations
Think File — Gen AI Retrieval-Augmented Generation (RAG) Application
  • •Developed a modern file and document management platform with secure storage, fast access, and productivity-focused workflows
  • •Built the complete frontend + backend with scalable architecture, responsive UI/UX, authentication, and optimized real-time file management

View all projects — jaysinghchauhan.com/projects

Education

Bachelor's in Computer Applications (BCA)