Backend-Oriented Full-Stack Developer

Building scalable web apps
with .NET Core & React.

I'm Usman — a full-stack developer with 5+ years turning complex requirements into secure, reliable software: clean REST APIs, robust databases, and polished front-ends.

Available for freelance 📍 Dubai, United Arab Emirates ⏱ 5+ years experience
Get in touch View experience
.NET Core 8C#ASP.NET React.jsNode.jsSQL Server MongoDBAWS
About

Backend depth, full-stack range.

Backend-focused Full-Stack Developer with 5+ years designing, building and optimizing scalable web applications — including production systems for government clients in Dubai. I specialize in ASP.NET Core and clean REST API design, and pair it with modern React front-ends, solid databases and cloud deployment. I care about maintainable code, clear communication, and shipping on time.

5+Years experience
4Companies delivered for
30%Fewer bug fixes (refactor)
20%Performance boost
Tech Stack

Skills & technologies

⚙️ Backend

.NET Core 8ASP.NETC#Node.jsWeb APIsRESTful ServicesEntity Framework

🎨 Frontend

React.jsJavaScriptHTML5CSS3jQuery

🗄️ Databases

SQL ServerMySQLMongoDB

☁️ Cloud & DevOps

AWS (S3, EC2)Azure AuthGitCI/CD Pipelines
What I do

Services I offer

🔌

REST API Development

Secure, scalable backends in ASP.NET Core & C# — JWT auth, SQL Server, Swagger docs and clean architecture.

🚀

Full-Stack Web Apps

End-to-end products with React front-ends and .NET/Node back-ends, databases, dashboards and cloud deployment.

🛠️

Bug Fixing & Optimization

Fast root-cause fixes and performance tuning for .NET, C#, JavaScript and React applications.

Career

Professional experience

Full-Stack Developer
Tektronix Technologies
Dubai, UAEMay 2024 – Present
  • Developed and launched websites & applications for government clients, increasing user engagement.
  • Built interactive features with React.js and .NET Core, improving customer experience.
  • Optimized application performance via state management and lifecycle methods.
  • Collaborated with UX designers to implement seamless front-end functionality.
Software Developer
POSBANK
BahrainNov 2022 – Apr 2024
  • Designed and enhanced a POS system, optimizing client-facing applications.
  • Built front-end and back-end features using Web APIs, Windows Forms and SQL Server.
  • Translated business needs into technical specs during requirement-gathering sessions.
  • Partnered with QA to implement testing protocols, reducing downtime.
Software Developer
Veroke
Islamabad, PakistanMay 2021 – Oct 2022
  • Designed and implemented APIs using ASP.NET Core and Node.js.
  • Built reusable React.js components, improving UX and functionality.
  • Implemented secure authentication with Azure, protecting user data.
  • Led a development team, coordinating tasks and fostering collaboration.
Software Developer
ARKTech Engineer
Islamabad, PakistanJan 2020 – Jan 2021
  • Restructured code architecture, reducing bug fixes by 30% and boosting performance by 20%.
  • Designed custom themes, UI components and third-party integrations.
  • Led migration from Bootstrap 2 to Bootstrap 4, modernizing the UI.

🎓 Education

BS Computer Science — PMAS Arid Agriculture University, Rawalpindi  ·  2017–2021

Let's work together

Have a project in mind?

I'm available for freelance and contract work. Whether it's a REST API, a full web app, or fixing a tricky bug — let's talk.

✉️ usmankhalid5423@gmail.com 📞 +971 56 316 4023 in LinkedIn