I will build a full stack web app with react, nextjs, and supabase


About this gig
Please message me before placing an order so we can discuss your project scope!
Looking for a Senior Full-Stack Engineer to build a fast, scalable, and modern web application with React and Next.js? You are in the right place!
With 6+ years of professional experience, I build high-performance web platforms, interactive dashboards, and full-stack MVPs using modern best practices and Clean Architecture.
WHAT I OFFER:
- Modern Frontend: React, Next.js, TypeScript, Tailwind CSS, and shadcn/ui.
- Backend & Databases: Node.js, NestJS, Supabase (PostgreSQL, Auth, Realtime multi-user synchronization), and REST/GraphQL APIs.
- Third-Party Integrations: Payment gateways (Stripe), Google Maps Platform, webhooks, and modern AI/LLM API connections.
- Testing & DevOps: Automated unit testing (Vitest, Playwright), CI/CD workflows, and seamless deployment to Vercel.
- Bug Fixing & Audits: Diagnosing and resolving complex frontend and backend bugs.
WHY WORK WITH ME?
- Senior engineer with real production apps featuring real-time multi-user sync.
- Clean, type-safe, maintainable code with thorough documentation.
- Pixel-perfect, mobile-first responsive design.
Get to know Juan David P
FullStack Salesforce Engineer, React Nextjs Nodejs Apex LWC
- FromColombia
- Member sinceAug 2025
Languages
Spanish, English
My Portfolio
Other Software Development Services I Offer
FAQ
Do you build responsive and mobile-friendly websites?
Yes, absolutely. Every application is built mobile-first with Tailwind CSS, ensuring a seamless experience across phones, tablets, and desktops.
Can you deploy the application to Vercel or production hosting?
Yes! I handle the complete setup on Vercel, Supabase, or AWS with automated CI/CD pipelines so your app is ready for users.
Can you work on an existing codebase?
Yes. I can audit, fix bugs, refactor legacy code, or add new features to your existing React, Next.js, or Node.js project.

