I will build a fullstack web application

A
abou__sall
A
abou__sall
Sall
build a fullstack web application
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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!

  • Programming language

    • JavaScript

  • Expertise

    • Algorithms & Data structures
    • Localization
    • Performance
    • Security
    • Databases

  • Frontend framework

    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • Fastify
    • NestJS
    • Next.js
    • Node.js

  • AI & low/no code builders

    • Cursor

Get to know Sall

Sall

Full Stack Web Developer React Node APIs Databases

  • FromSenegal
  • Member sinceDec 2019

  • Languages

    English, French
Full Stack Web Developer with 5 plus years of experience building reliable web apps, APIs, dashboards, and database driven platforms. I work with React, Next.js, Node.js, Express, MongoDB, PostgreSQL, SQL, TypeScript, REST APIs, and GraphQL. I can help you turn an idea, design, or existing app into clean, responsive, secure, and maintainable software. I focus on clear communication, practical architecture, fast delivery, and code that is easy to improve as your business grows.

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