Hi, I'mMahammud Hassan Limon|

Full Stack Developer focused on building scalable SaaS applications with clean architecture, fast performance, and modern user experiences. I actively work on designing efficient project architectures, optimizing application performance, and delivering smooth, production-ready UI/UX. I have hands-on experience solving real-world problems and rapidly adapting to new technologies. Currently learning and exploring AI-powered development, includingLLM APIs (OpenAI, Gemini, Claude), LangChain, and Vector Databases (Pinecone, ChromaDB), with a focus on building intelligent application features.

About Me

Get to know more about my background, experience, and what drives me as a developer

What I Bring

Performance OptimizationScalable ArchitectureModern UI/UXAPI Development

Contact Information

Dhaka, Bangladesh +8801887604100mahammudhassanlimon@gmail.com

Languages

Certifications

MERN Stack DevelopmentView

Skills & Technologies

A comprehensive overview of my technical expertise across different domains of software development

Programming Languages

Programming Languages

2 technologies
Proficiency (2)
Frontend Technologies

Frontend Technologies

9 technologies
Proficiency (7)
Backend Technologies

Backend Technologies

5 technologies
Proficiency (5)
Database & ORM

Database & ORM

6 technologies
Proficiency (5)
Cloud & DevOps

Cloud & DevOps

6 technologies
Proficiency (4)
AI & Real-Time & Others

AI & Real-Time & Others

9 technologies
Proficiency (5)

Professional Experience

AB Seed Company

Mern Stack Developer

Nov 2025 - Mar 2026

Mohammadpur Dhaka

Full-time • 5 mos

I was responsible for managing the design and backend authentication of their e-commerce website. I also handled the project architecture and built a responsive, user-friendly UI for the target audience.

Key Achievements
  • Architected and improved RESTful APIs using Node.js, achieving a 46% improvement in server response performance.
  • Engineered a secure authentication system utilizing JWT and Google OAuth integration.
  • Developed full-stack SaaS features with a focus on scalability and long-term maintainability.
  • Collaborated with cross-functional teams to deliver user-focused features and conduct systemlevel debugging.
  • Designed responsive and modular UI components with React and Tailwind CSS.
Technologies Used

Client Project

Full Stack Developer

Sep 2025 - Nov 2025

Wari Dhaka

Delivered in • 1 month

I was deployed a full-stack web application for a client, handling both frontend and backend development. I implemented features such as Product management and order management and real-time updates to enhance the user experience.

Key Achievements
  • Built a revenue-generating full-stack e-commerce platform using React, Next.js, Node.js, and MongoDB.
  • Streamlined database queries and implemented caching, resulting in an 80% increase in overall website performance.
  • Successfully handled load testing for 10,000+ concurrent requests per minute with zero downtime.
  • Deployed application on Ubuntu VPS (Hostinger), configuring domain setup and production-ready server environments.
  • Constructed a high-performance admin dashboard for full product management and inventory control
Technologies Used

Ready to work together?

I'm always excited to take on new challenges and collaborate with amazing teams. Let's discuss how I can contribute to your next project.

Get In Touch

Have a project in mind or want to collaborate? I'd love to hear from you. Let's create something amazing together!

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# Please Notice That

I am Independent Full-Stack Developer currently working on client-based and personal projects. Actively seeking remote opportunities (part-time, full-time, or project-based) and open to collaborating globally with teams and clients.