Hello, I'm
AI Engineer building production-grade Generative AI, Agentic AI, and RAG systems with LangChain, LangGraph, and LLMs. Strong foundation in NLP, ML, and full-stack engineering (Django, FastAPI). Published researcher with 1000+ competitive programming problems solved.
AI / ML
Career
Dhaka, Bangladesh
Building production-ready Agentic AI and Generative AI systems using LangGraph, LangChain, LLMs, RAG, and vector databases, with a focus on reliable, cost-efficient AI workflows.
Dhaka, Bangladesh
Completed intensive training in ML, Deep Learning, NLP, and LLM engineering, progressing to AI Engineer within four months.
Dhaka, Bangladesh
Conducting applied research in NLP, Generative AI, and Machine Learning, while contributing to research publications and mentoring students in Python and ML experimentation.
Expertise
Python · C/C++ · JavaScript · SQL
LangChain · LangGraph · LangSmith · RAG · Prompt Engineering · LLM Fine-Tuning · Agentic AI · Multi-Agent Systems · Hugging Face Transformers · OpenAI API
PyTorch · Scikit-learn · NumPy · Pandas · Deep Learning · NLP · Vector Embeddings · Model Evaluation
FastAPI · Django · Django REST Framework · React.js · REST APIs · JWT Auth
PostgreSQL · MySQL · SQLite · Pinecone · ChromaDB (Vector DBs)
AWS (ML/NLP) · Google Cloud Platform · Docker · Git · GitHub · CI/CD
LeetCode (150+) · Codeforces (200+) · Beecrowd (Top 1%) · vJudge (110+) · CodeChef (120+)
Team-based algorithmic problem-solving under time constraints, applying advanced data structures and algorithms.
Work
Production-grade multimodal RAG system. Engineered a pipeline indexing heterogeneous documents (PDFs, images, tables, text) with hybrid vector embeddings; generates context-aware answers with source attribution.
Python · LangChain · Hybrid Search · Vector DBs
SEO product description generator at scale. Generative AI engine producing SEO-optimized descriptions, meta tags, structured data, and JSON-LD schema for 10,000+ products; implemented API rate limiting, batch processing, and content quality validation.
Python · FastAPI · LLMs
AI sales & lead generation chatbot. AI-powered conversational chatbot for B2B lead qualification with contextual dialogue, intent detection, CRM-ready data capture, and dynamic prompt strategies.
LangChain · LLMs · FastAPI
Carbon-aware online marketplace. Full-stack AI e-commerce platform with real-time carbon tracking, eco-friendly recommendations, an AI chatbot, and admin analytics.
Django · React · LangChain · Qwen2-7B · Pinecone
AI mock interview & recruitment platform. Django platform with AI mock interviews (LLaMA-4), real-time voice (STT/TTS), role-specific questioning, job search, and dual user roles.
Django · LLaMA-4 · STT/TTS
Publications
Arman, M.S.; Riaz, S.A.; Asaduzzaman, M.; Bhuiyan, T.
Privacy-preserving NLP framework combining LSTM and LLMs with differential privacy; 93.36% accuracy.
NLP · LLM · Privacy
View PaperRiaz, S.A.; Hasan, F.; Khalid, S.R.; Arman, M.S.
Explainable ML framework augmented with LLM-powered clinical insights for cardiac decision support.
ML · Healthcare · LLM · ECG
View PaperAcademics
CGPA: 3.46 / 4.00
Science Group | GPA: 5.00 / 5.00
Science Group | GPA: 4.78 / 5.00
Community
Co-organized 7+ contests and workshops for 150+ participants, driving 35% growth in active membership.
Managed logistics for 5 intra-university contests (300+ participants avg.); contributed 10+ problems and judged.
Credentials
Anthropic · Jun 2026
Coursera · Aug 2025
Amazon Web Services · Aug 2025
Amazon Web Services · Jul 2025
Microsoft · Jun 2025
ICPC · 2025
Udemy · May 2025
Ostad · 2025
Reach Out
Feel free to reach out for collaborations, consulting, or just a friendly chat about AI and technology.