AI DEVELOPER & RESEARCH ASSISTANT
Abir Ehsan
Evan
Computer Science Graduate passionate about Machine Learning, Data Analysis, and building LLM-powered solutions for industrial and research applications.
Years Experience
Publications
Certifications
Projects
About Me
I'm a Computer Science graduate from Independent University Bangladesh with a deep passion for Machine Learning, Data Analysis, and Software Development. My work focuses on building intelligent systems that bridge the gap between cutting-edge AI research and practical industrial applications.
Currently, I'm working on enterprise AI systems including multimodal RAG chatbots, automated HR orchestration platforms, and voice-enabled AI assistants. My research experience spans from ethnographic HCI studies to astrophysics data analysis.
Education
BSc in Computer Science
Independent University Bangladesh
2020 - 2025
A' Levels - Physics, Mathematics
Academia
2019
Work Experience
AI Developer
Betopia Group
- ▹Developed enterprise AI systems including a multimodal RAG chatbot for customer support, Automated HR orchestration and a hotel IVR concierge.
- ▹Engineered industrial-grade software solutions with OpenAI function calling and FAISS vector indexing, integrating AI assistants with SQLite databases.
Research Assistant
DND Lab, University of Dhaka
- ▹Implemented multilingual voice-enabled system by integrating STT/TTS capabilities with ASR models.
- ▹Conducted ethnographic research at 3 zonal electricity offices, with HCI-oriented insights informing the agent's design.
Machine Learning Intern
Innovative Skills LTD, Bangladesh
- ▹Developed a medical chatbot Web Application using NLP and AI models (OpenAI GPT / LLaMA) for symptom analysis.
- ▹Built a Django REST backend to integrate AI insights with scraped data for real-time symptom checking.
Research & Publications
Current Research
Currently immersed in advanced research focusing on:
- ▹ Large Language Models (LLM)
- ▹ Ethnographic AI Studies
- ▹ Speech-to-Text (STT) Systems
- ▹ Text-to-Speech (TTS) Models
Selected Publications
A Quantized and Lightweight CNN for Multiclass Object Detection of Malaria Parasites
IEEE Xplore
View Paper →KSiFoldNet: A K-Symplectic Integrated Transformer Network for RNA Structural Prediction
IEEE Xplore
View Paper →Featured Projects
A selection of AI systems, full-stack products, automation workflows, and tools.
01 AI / ML Systems
NexusAI Backend
Multi-agent business intelligence platform combining invoice OCR, RAG document retrieval, and sentiment analysis. Built with FastAPI, Groq AI, PostgreSQL, and Qdrant vector DB.
ResearchMind AI
Multi-agent RAG platform for document intelligence. Features LangGraph 4-agent pipeline, Neo4j knowledge graph with contradiction detection, JWT RBAC, and LLM-as-judge evaluation achieving perfect faithfulness scores.
BizPulse AI
Invoice tracking API that extracts vendor, amount, date, and items from images using Groq Vision. Stores records in PostgreSQL with weekly expense summaries and OpenClaw skill integration.
Medical Chatbot with LLMs
End-to-end medical chatbot with LangChain, Pinecone, and Flask. Deployed on AWS for scalable AI-driven symptom analysis and medical guidance.
Multi-Person Kinematic Behavior AI
Behavioral analytics engine using MediaPipe Tasks API with 32+ kinematic and geometric features including 3D joint angles and distance-normalized velocity for classification.
BioLab Studio Pro
Interactive microbiology and biotechnology learning platform with full 3D molecular visualization (Three.js), AI co-scientist system, simulation engine, and 8 complete educational modules from beginner to research level.
02 Full-Stack Products
D&D Lab Research Platform
Centralized lab coordination platform replacing scattered chat threads. Features RBAC (Faculty/Manager/Researcher), project & task management, global search, file uploads, comments, reactions, and notifications. Dockerized monorepo.
HR Forge
AI-powered HR operations platform with two modules: Workforce Hub (employee records, letter generation, WhatsApp coordination, audit logs) and Hiring Portal (AI job posting generation, LinkedIn + Facebook publishing).
Chatopia RAG Chatbot
Sophisticated RAG-based chatbot with PDF and image extraction, meeting scheduling, and voice-enabled interactions for seamless user experience.
Premiere Bank Chatbot
Full pipeline for crawling the Premiere Bank website, cleaning and chunking content for a knowledge base, and a Django-backed chatbot frontend with RAG-based retrieval.
03 Automation Workflows
Cross-Channel Trial Expiry Orchestration
Automated Make.com workflow monitoring trial end dates, assessing engagement, and executing multi-channel responses (email, SMS, Slack) based on user activity level.
Inbound Lead Qualification & CRM Routing
Automated pipeline processing 40-60 daily leads from an ROI calculator. Enriches, scores (Hot/Warm/Disqualified), and routes to CRM with instant sales notifications — eliminating 1hr of daily manual triaging.
AI Competitor Mention Tracker
Automates competitive intelligence by pulling mentions from Reddit and Hacker News, then generating structured briefings via Claude AI. Built for Deskflow to replace manual weekly monitoring.
Webhook Event Inspector & Campaign Dashboard
Real-time dashboard receiving, validating, and visualising webhook events from Customer.io, Appcues, and LinkedIn. Includes campaign health monitoring with configurable alert thresholds and a live event simulator.
04 Tools & Utilities
Map Area Tool
Measure rooftop and region areas from Google Maps screenshots. Draw polygons, calibrate scale bar, export as JSON/CSV/TXT. Uses the Shoelace formula for precision.
Gesture Controlled Mouse
Control computer mouse via hand gestures through webcam using Python and OpenCV.
AI Pose Estimation
Real-time body pose estimation and bicep curl counter using OpenCV & MediaPipe.
All RAG Techniques
Comprehensive collection of Retrieval-Augmented Generation implementations and patterns.
HealthBridge BD
Chatbot suggesting doctors based on fee range and symptoms in Bangladesh.
Road Accident Risk Prediction
Kaggle Competition project for predicting road accident risk using ML classification models.
Certifications & Courses
Machine Learning Specialization
DeepLearning.AI & Stanford
Mar 2025
Unsupervised Learning, Recommenders, RL
Coursera
Mar 2025
AI and ML Fundamentals
Grameenphone Ltd
Mar 2025
Basic Data Analysis on STATA
Bangladesh Research Society
Feb 2025
Advanced Learning Algorithms
Stanford University
Feb 2025
Online Safety
Grameenphone Academy
Feb 2025
Facebook Ads Campaigns
Shikhbe Shobai
Nov 2024
Deep Learning & LLM Workshop
Dhaka University - CSE
Oct 2024
Python with Django Training
Easy Coding
Oct 2024
Classification Model Project
Akaademy
Sep 2024
AI in Bangladesh Summit 2024
Certificate of Appreciation
Sep 2024
Supervised Machine Learning
DeepLearning.AI & Stanford
Sep 2024
Introduction to Agent Skills
Anthropic
May 2026
Get In Touch
I'm currently open to new opportunities and collaborations. Whether you have a question, a project idea, or just want to connect, feel free to reach out.