SOFTWARE ENGINEER

Building software
that solves problems.

I'm Ahsan Ullah, a software engineer focused on building reliable backend systems, APIs and modern web applications using .NET, C#, SQL and cloud technologies.

Ahsan Ullah - Software Engineer

Engineer. Builder. Learner.

I'm a software engineer with several years of professional experience building business applications and backend systems.

My primary focus is the Microsoft ecosystem, especially C#, .NET, SQL Server and Web APIs. I also work with modern frontend technologies, Docker and cloud infrastructure.

I enjoy taking complex requirements and turning them into maintainable, practical software.

5+ Years Experience
.NET Primary Ecosystem
APIs Backend Development
Cloud Deployment & Infrastructure

Tools I work with

C# .NET ASP.NET Core Web API SQL Server PostgreSQL Entity Framework React JavaScript Docker Git GitHub Actions Linux Nginx REST APIs JWT RabbitMQ

Projects

A selection of applications and systems I've built.

01

BanglaSign

A document signing platform designed for digital document workflows, including document management, signers, viewers, PDF processing and authentication.

.NET 10 React PostgreSQL Docker JWT
02

FullSolutionSoft

A modern backend application demonstrating clean architecture, authentication, database integration, automated testing and CI/CD practices.

.NET 10 SQL Server Clean Architecture Docker GitHub Actions
03

Sound Visualizer

A lightweight Windows application that visualizes microphone and system audio levels in real time.

C# .NET WinForms NAudio
04

Digital Document Systems

Business software involving document processing, PDF workflows, digital signatures, authentication and enterprise database systems.

C# .NET Framework SQL Server PDF Digital Signing

Experience

Present

Software Engineer

Professional Software Development

Developing and maintaining business applications, backend services, APIs, database systems and document-processing workflows.

Previous Experience

.NET Software Development

Enterprise Applications

Worked with C#, .NET, SQL Server, Windows applications, APIs and large business-oriented software systems.

Let's build something.

Interested in working together, discussing a project, or simply talking about software engineering?

bangladeshahsan@gmail.com