I will build a fullstack web application


About this gig
Are you looking for a senior full-stack engineer to build your web application from scratch or enhance an existing one?
With 6+ years of experience shipping production-grade applications across real estate, insurance, fintech and AI-powered platforms, I deliver clean, scalable, and high-performance code.
What you'll get:
Custom full-stack web application (React/Next.js frontend + Node.js backend) RESTful API or GraphQL API development Database design & integration (PostgreSQL, MongoDB, MySQL) Authentication & authorization (JWT, OAuth, SSO) Responsive design mobile, tablet, and desktop Deployment to AWS, Railway, or Vercel Clean, well-documented, maintainable code
Tech stack I work with:
- Frontend: React, Next.js, TypeScript, Tailwind CSS, Redux, Zustand
- Backend: Node.js (NestJS, Express, Fastify), Go (Gin)
- Databases: PostgreSQL, MongoDB, MySQL, Firebase, Supabase
- DevOps: Docker, AWS, CI/CD pipelines
Why choose me?
- 40% faster load times achieved on past projects
- 99%+ system uptime maintained in production
- 85%+ test coverage with TDD approach
- Bilingual: French & English
Message me before ordering so we can discuss your project!
Get to know Sall
Full Stack Web Developer: Node, React, API, MongoDB, SQL
- FromSenegal
- Member sinceDec 2019
- Avg. response time1 hour
Languages
English, French
