Dhaka, Bangladesh

S.M. KhalidMahmud

Software Engineer

Building scalable web experiences with React, Next.js, and modern tooling.

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About

Who I Am

I'm a software engineer passionate about building performant, accessible web applications. I thrive in dynamic environments where I can grow my skills, tackle challenging problems, and deliver features that make a real impact — from visa processing platforms to client management systems.

Skills

What I Work With

Expertise

CSSSASSBootstrapTailwindMaterial UIAnt DesignJavaScriptTypeScriptES6ReactReact RouterNext.jsWordPress CustomizationSupabaseStrapiAxiosTanStack QueryReduxDevTools & Debugging

Familiar

Node.jsExpressNestJSMongoDBPostgreSQL

Tools

GitDockerFigmaPhotoshopIllustratorInDesign

Experience

Where I've Worked

Software Engineer L1

VISAThing

Jul 2024 – Present

Dhaka, Bangladesh

Contributed to the development and maintenance of VISAThing's visa processing platform, delivering end-to-end features across frontend and backend systems.

  • Built scalable backend services with NestJS and RESTful APIs for visa processing workflows.
  • Designed and optimized PostgreSQL schemas and queries for data integrity and performance.
  • Enhanced responsive UI components for visa application tracking with mobile-first design.
  • Improved system reliability through better error handling, validation, and API structuring.

Jr. Frontend Developer

UniClient Technologies

Nov 2023 – Jun 2024

Dhaka, Bangladesh

Contributed to the development and maintenance of the UniClient platform, enhancing usability and performance for businesses managing client relationships.

  • Built interactive, reusable UI components to improve user engagement and development efficiency.
  • Integrated RESTful APIs and managed state with TanStack Query for optimal performance.
  • Enhanced responsiveness and cross-browser compatibility across all devices.
  • Implemented accessibility improvements to ensure an inclusive user experience.

React Developer

JS Encoder

Oct 2023 – Nov 2023

Dhaka, Bangladesh

Developed React-based web applications, contributing to frontend architecture and component development.

  • Built and maintained React components following modern best practices.
  • Collaborated with the team to deliver features on tight timelines.

Education

Academic Background

B.Sc. in Computer Science & Engineering (CSE)

American International University–Bangladesh (AIUB)

October 2021Dhaka, BangladeshCGPA 3.57 out of 4

Writing

Recent Articles

Contact

Let's Connect

Open to new opportunities and collaborations. Feel free to reach out — I'd love to hear from you.