Open to Remote Work & Freelancing

Hi, I'm Muhammad Mutahir

A Full-Stack Developer and DevOps Enthusiast

I design and build scalable backend systems, APIs, and modern web applications.

Full-Stack Development

Modern web applications with React, Next.js, and Node.js

DevOps & Cloud

AWS infrastructure, Docker, CI/CD pipelines

Full-Service Network

AI, mobile apps, UI/UX design, and marketing expertise

Even if your project requires frontend, AI, mobile apps, or marketing expertise, my network of skilled developers and professionals can get it done.

About Me

I specialize in building reliable and maintainable software solutions using modern web technologies.

Backend Development

Node.js, NestJS, Express.js, RESTful APIs, scalable architecture

Frontend Development

React.js, Next.js, Tailwind CSS, TypeScript

Databases

PostgreSQL, MongoDB, Redis

DevOps & Cloud

AWS (EC2, S3 , VPS), Docker, CI/CD pipelines, containerization

I continuously enhance my engineering skills and help teams deliver high-quality software. I am part of a collaborative network that provides additional services, including AI, mobile app development, UI/UX design, and social media marketing—ensuring your project has access to the right expertise whenever needed.

Experience

Building scalable solutions and leading development teams

Back End Developer

DevXtech

Feb 2025 - Present
Karachi, Pakistan
  • Worked as a backend developer on a digital operations platform built to centralize workforce management, task tracking, payroll calculation, and internal communication for a company that previously had no structured system.
  • Led backend development independently from project setup to deployment, designing RESTful APIs with Node.js and Express.js.
  • Designed MongoDB database schemas for task management, payroll tracking, activity logs, and operational workflows.
  • Implemented time-tracking based task assignment logic to dynamically calculate payroll based on worker activity.
  • Developed location tracking functionality to monitor field workforce movement.
  • Integrated secure payment gateways and synchronized financial data with QuickBooks.
  • Built real-time chat functionality between admin and workers.
  • Implemented background job processing using Redis and BullMQ for queue management and performance optimization.
  • Managed file storage using AWS S3.
  • Containerized backend services using Docker and deployed infrastructure on AWS.
  • Designed modular backend architecture supporting payroll automation, real-time tracking, and financial reconciliation.

Web & App Development Instructor

SMIT (Saylani Mass IT Training)

Jul 2025 - Mar 2026
Karachi, Pakistan
  • Taught Web and App Development with focus on practical, industry-oriented skills.
  • Mentored students in frontend and backend fundamentals, clean coding practices, and modern JavaScript development.
  • Helped students build full-stack applications and understand real-world development workflows.

Back End Developer

GR-Tech

Apr 2024 - Jan 2025
Clifton, Karachi, Pakistan
  • Started backend engineering career working within a collaborative development team under senior mentorship.
  • Contributed to backend systems for PakFit (fitness platform) and Amplify (international Muslim benefits platform).
  • Built and maintained RESTful APIs and supported database operations.
  • Implemented authentication flows, user management, and subscription logic.
  • Developed backend business logic for promotions and user eligibility.
  • Worked on API integrations, debugging, performance improvements, and production issue resolution.
  • Gained experience with Git workflows, production debugging, and structured team development practices.

Junior Web Developer

EAIsoft

Dec 2023 - Mar 2024
Bahria Town Karachi
  • Worked as a junior web developer focusing on frontend development.
  • Developed responsive UI using Tailwind CSS.
  • Worked with Sanity CMS for content management.
  • Collaborated with the development team to build and maintain web applications.

Core Skills

Technologies and tools I use to build exceptional software

Node.js
NestJS
Express.js
Next.js
React.js
TypeScript
Tailwind CSS
PostgreSQL
MongoDB
Redis
AWS (EC2, S3, VPS)
Docker
CI/CD
Containerization
Full-Stack Development
DevOps
Firebase
Supabase
Quickbook
BullMQ
REST API Design
System Architecture
Queue Processing
Real - time Systems

Services

Comprehensive solutions for your digital needs

Core Services

  • Web Development & SaaS Applications
  • Custom Software Development
  • Backend & API Architecture
  • DevOps & Cloud Infrastructure Management

Network Services

Through my trusted network of professionals

  • AI & Generative AI
  • Mobile App Development
  • UI/UX Design
  • Social Media Marketing

Let's Build Something Amazing

I'm open to remote work, freelancing, and project collaborations.

Even if your project requires services outside my core expertise, my network ensures full coverage. Whether you need AI integration, mobile development, UI/UX design, or marketing—we've got you covered.

Email

mutahirkareem

LinkedIn

muhammad-mutahir

GitHub

MRMutahir

Ready to discuss your project?

Get In Touch