Sandesh Upadhyay
Full-Stack Developer
S
Hi I'm Sandesh Upadhyay
Bringing Ideas
& Passion to Life with
Refined Development
A passionate full-stack developer creating user-centered digital solutions. From concept to code, I bring ideas to life with clean design and intuitive interfaces.
Professional Summary
Full-Stack Developer with expertise in Next.js, React.js, Node.js, and Python, experienced in building scalable applications using Supabase, MongoDB, PostgreSQL, and Firebase. Proven track record in optimizing performance, leading teams, and delivering production-ready solutions for 10K+ users.
Experience
Software Developer
Techpotli
New Delhi (Remote)••August 2025 - Present
- ▹Developed and optimized key modules of the company's e-commerce platform, improving load time and streamlining transactions.
- ▹Took complete ownership of an independent project, designing its architecture, leading development, and deploying it successfully within deadlines.
- ▹Conducted 10+ technical interviews, shortlisted candidates, and built a 5-member development team from scratch.
- ▹Managing and mentoring the team by assigning tasks, reviewing code and ensuring 100% on-time delivery of project milestones.
- ▹Acted as a bridge between project managers, stakeholders, and developers, ensuring business goals were consistently met.
- ▹Enhanced team productivity and collaboration, reducing issue resolution time by 30% through streamlined workflows.
Full-Stack Developer
FusionFame Digital Private Limited
Gurgaon (Remote)••June 2025 - July 2025
- ▹Delivered full-stack features with React.js, Next.js, Node.js, and Firebase, scaling the app to 10K+ monthly users.
- ▹Boosted performance by 25% through code splitting, lazy loading, and optimized asset delivery.
- ▹Integrated Clerk authentication, payments, and order tracking to launch a secure, production-ready MVP.
- ▹Automated deployments via GitHub Actions + Vercel, cutting release time by 60%.
Full-stack Developer Intern
The Boring Education
Remote••December 2024 - May 2025
- ▹Developing and maintaining scalable educational applications using React.js, Next.js, TypeScript, and Supabase.
- ▹Implementing responsive UI components and enhancing user experience with interactive features.
- ▹Collaborating with cross-functional teams to integrate AI-driven solutions for personalized learning.
- ▹Conducting code reviews, debugging, and optimizing application performance for scalability and efficiency.
Technical Support Associate
Tech Mahindra Ltd.
Noida, India••October 2024 - February 2025
- ▹Diagnosed and troubleshot technical issues related to e-commerce platforms, ensuring seamless user experience.
- ▹Worked on bug identification, debugging, and issue resolution for payment processing, website navigation, and order fulfillment.
- ▹Collaborated with internal teams to enhance platform stability, reduce downtime, and optimize system performance.
- ▹Analyzed customer-reported technical problems, generated actionable insights, and suggested improvements to automate workflows.
Web Developer
Internship Studio
Remote••November 2023 - February 2024
- ▹Designed and developed responsive websites using HTML5, CSS3, JavaScript, and jQuery, ensuring cross-browser compatibility.
- ▹Integrated dynamic front-end features like animations, sliders, and interactive elements to enhance UI/UX.
- ▹Conducted testing and debugging to improve website performance and usability.
- ▹Collaborated with designers to convert mockups into functional web interfaces, ensuring alignment with brand guidelines.
Education
Bachelor of Arts
Veer Bahadur Singh Purvanchal University
Uttar Pradesh, India••2020 - 2023
Featured Project
Featured Project
AI-Powered Task Manager
A modern task management application enhanced with AI-powered suggestions to boost productivity. Built with cutting-edge technologies for seamless user experience and real-time collaboration.
Key Features
- ▹AI-powered task suggestions and prioritization
- ▹Real-time synchronization with Supabase
- ▹Secure Google OAuth authentication
- ▹Intuitive drag-and-drop interface
- ▹Smart task categorization and filtering
500+
Active Users
10K+
Tasks Managed
Real-time
AI Suggestions
OAuth 2.0
Security
Tech Stack
React + ViteTypeScriptTailwindCSSSupabaseJWTGoogle OAuth
AI Suggestion Available
Projects
E-Signature Application
React.jsJavaScript
- ▹Developed a user-friendly e-signature application enabling document upload, digital signature creation, and secure saving.
- ▹Designed and implemented a canvas-based signature feature, providing an intuitive and smooth signing experience.
Modern URL Shortener
ReactTypeScriptTailwindCSS
- ▹Built a sleek and efficient URL-shortening application with a modern UI and animations.
- ▹Implemented core features including instant URL shortening, copy-to-clipboard functionality, and local history tracking.
- ▹Designed a responsive interface with TailwindCSS for seamless usage across devices.
Technical Skills
Languages
PythonJavaScriptTypeScriptSQL
Frontend
Next.jsReact.jsHTML5CSS3Tailwind CSSMaterial-UIReduxShadcn/UI
Backend
Node.jsExpress.jsFastAPIGraphQLREST APIs
Databases
PostgreSQLMySQLMongoDB
Developer Tools
GitGitHubJWTOAuth 2.0SupabasePostmanVisual Studio CodeIntelliJ