I am a full stack developer focused on building scalable web apps using modern JavaScript frameworks. I have hands-on experience with React, Node.js, Express, MongoDB, and SQL-based systems, delivering production-ready code, API development, and end-to-end features. I excel in designing robust backends, crafting responsive UIs, and optimizing performance under concurrent usage.\n\nCurrently I’m expanding into AI-powered development, leveraging LLM APIs (OpenAI, Claude), LangChain, and vector databases like Pinecone and ChromaDB. I actively use AI-assisted tools (ChatGPT, Copilot) to speed up development while maintaining engineering quality. I work remotely from my home country and do not require US visa sponsorship or relocation.

Mahamud Hassan Limon

I am a full stack developer focused on building scalable web apps using modern JavaScript frameworks. I have hands-on experience with React, Node.js, Express, MongoDB, and SQL-based systems, delivering production-ready code, API development, and end-to-end features. I excel in designing robust backends, crafting responsive UIs, and optimizing performance under concurrent usage.\n\nCurrently I’m expanding into AI-powered development, leveraging LLM APIs (OpenAI, Claude), LangChain, and vector databases like Pinecone and ChromaDB. I actively use AI-assisted tools (ChatGPT, Copilot) to speed up development while maintaining engineering quality. I work remotely from my home country and do not require US visa sponsorship or relocation.

Available to hire

I am a full stack developer focused on building scalable web apps using modern JavaScript frameworks. I have hands-on experience with React, Node.js, Express, MongoDB, and SQL-based systems, delivering production-ready code, API development, and end-to-end features. I excel in designing robust backends, crafting responsive UIs, and optimizing performance under concurrent usage.\n\nCurrently I’m expanding into AI-powered development, leveraging LLM APIs (OpenAI, Claude), LangChain, and vector databases like Pinecone and ChromaDB. I actively use AI-assisted tools (ChatGPT, Copilot) to speed up development while maintaining engineering quality. I work remotely from my home country and do not require US visa sponsorship or relocation.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Bengali
Fluent
Hindi
Intermediate

Work Experience

Full Stack Developer at AB Seed Company
November 1, 2025 - January 1, 2026
Implemented RESTful APIs using Node.js with improved response performance by ~46%. Developed authentication system using JWT and Google OAuth. Worked on full-stack SaaS features with focus on scalability and maintainability. Participated in code reviews and contributed to system-level debugging. Designed responsive UI with React and Tailwind CSS. Built scalable APIs ensuring reliability under concurrent usage. Collaborated with cross-functional teams to deliver user-focused features.

Education

Higher Secondary Certificate (HSC) – Science at Kishori Lal Jubilee School & College, Dhaka
November 1, 2023 - June 1, 2025

Qualifications

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Industry Experience

Software & Internet