07/07/2026 updated
100 % available
Full-Stack Developer | AI SaaS Builder | LLM + RAG Systems
Dhaka, Bangladesh
Worldwide
BSc in Computer ScienceAbout me
I’m a Software Developer with hands-on experience in full-stack web development and applied machine learning. I build scalable, user-friendly applications using Python, Django, React.js, and JavaScript, integrating APIs, payment gateways, and CRM systems.
AI AgentsRESTful API Modeling LanguageJavaScriptSoftware as a ServiceDjangoPython (Programming Language)PostgreSQLMachine LearningReact.jsLarge Language ModelsFull Stack DevelopmentArtificial Intelligence Markup Language (AIML)
Full-Stack Development
Expertise in building and deploying full-stack web applications using Python, Django, React, JavaScript, FastAPI, and REST APIs, with experience in backend architecture and scalable web application design.
AI & LLM Integration
Proficiency in building AI-powered SaaS applications using Large Language Models (LLMs such as Groq, LLaMA, Claude), RAG systems, semantic search with LaBSE embeddings, and prompt engineering.
Cloud Infrastructure & Deployment
Hands-on experience deploying applications on cloud platforms including Vercel, Render, and Supabase, with knowledge of multi-tenant SaaS architecture and API key management.
Database Management
Working knowledge of relational and vector databases including PostgreSQL, MySQL, Supabase, and FAISS for efficient data storage and retrieval.
Machine Learning & Research
Experience developing machine learning models, including a published DDoS detection model enhanced with SHAP-based interpretability for feature importance analysis.
OCR & Multilingual NLP
Implementation of bilingual (Bengali/English) RAG pipelines using Tesseract OCR, LaBSE embeddings, and FAISS vector search over FastAPI services.
Frontend Frameworks & Libraries
Practical use of React.js, Vite, Tailwind CSS, and JavaScript for building responsive and dynamic user interfaces including embeddable widgets and analytics dashboards.
Payment Gateway Integration
Implementation of SSL Commerz payment gateway within web platforms, including appointment booking and destination matching features.
Version Control & DevOps Tools
Regular use of Git, GitHub, WSL2, Ollama, Vercel, and Render for version control, local development, and continuous deployment workflows.
Expertise in building and deploying full-stack web applications using Python, Django, React, JavaScript, FastAPI, and REST APIs, with experience in backend architecture and scalable web application design.
AI & LLM Integration
Proficiency in building AI-powered SaaS applications using Large Language Models (LLMs such as Groq, LLaMA, Claude), RAG systems, semantic search with LaBSE embeddings, and prompt engineering.
Cloud Infrastructure & Deployment
Hands-on experience deploying applications on cloud platforms including Vercel, Render, and Supabase, with knowledge of multi-tenant SaaS architecture and API key management.
Database Management
Working knowledge of relational and vector databases including PostgreSQL, MySQL, Supabase, and FAISS for efficient data storage and retrieval.
Machine Learning & Research
Experience developing machine learning models, including a published DDoS detection model enhanced with SHAP-based interpretability for feature importance analysis.
OCR & Multilingual NLP
Implementation of bilingual (Bengali/English) RAG pipelines using Tesseract OCR, LaBSE embeddings, and FAISS vector search over FastAPI services.
Frontend Frameworks & Libraries
Practical use of React.js, Vite, Tailwind CSS, and JavaScript for building responsive and dynamic user interfaces including embeddable widgets and analytics dashboards.
Payment Gateway Integration
Implementation of SSL Commerz payment gateway within web platforms, including appointment booking and destination matching features.
Version Control & DevOps Tools
Regular use of Git, GitHub, WSL2, Ollama, Vercel, and Render for version control, local development, and continuous deployment workflows.
Experience
Professional experience0 - 5 years
Freelancer since2026
Languages
EnglishFluent
Project history
Upgraded website modules using PHP, JS, HTML, and CSS, and integrated backend CRM APIs for lead tracking and customer applications. Implemented SSL Commerz payment gateway and built a Study Abroad platform with appointment booking and destination matching.
Built a full-stack multi-tenant SaaS using FastAPI, React, and Supabase with Groq LLM (LLaMA 3.3 70B), context injection to prevent hallucinations, and per-store API key isolation. Shipped an embeddable JS widget with dynamic theming, session memory, conversation logging, and an analytics dashboard. Tools: Python, FastAPI, React, Vite, Supabase, Groq API, JavaScript, Render, Vercel.
Built a bilingual (Bengali/English) RAG pipeline with Tesseract OCR, LaBSE embeddings, FAISS vector search, and short/long-term memory over a FastAPI service. Tools: Python, Tesseract, Ollama, FAISS.