Mahmud Hasan Munna
"Turning data into decisions — at scale."
Passionate Senior Data Scientist with 4+ years of experience building production-grade ML systems, ETL pipelines, LLM-powered applications, and analytical dashboards. I specialize in transforming raw, complex data into intelligent, scalable solutions that drive real business impact.
Who I Am
I'm Mahmud Hasan Munna, a Senior Data Scientist based in Dhaka, Bangladesh with 4+ years of experience building intelligent data systems.
My work spans the full data science lifecycle — from raw ETL pipelines processing billions of records, to deploying LLM-powered applications that redefine how organizations interact with their data. I've built production systems at fintech and payment gateway companies, delivering measurable business impact at every step.
With a research background (3 international publications), a RUET engineering degree, and hands-on experience with the modern ML stack, I bridge the gap between academic rigor and real-world execution.
LLM & Agentic AI
Building intelligent agents and RAG pipelines using LangChain, LangGraph, and cutting-edge LLMs.
Data Engineering
Designing scalable ETL pipelines, data warehouses, and real-time dashboards for billion-record datasets.
ML & MLOps
Deploying production-grade ML models with Docker, FastAPI, CI/CD, and cloud infrastructure on AWS.
Professional Experience
Building impactful data solutions across fintech and payment industries.
Wegro Technologies Limited
CurrentSenior Data Scientist
Leading data science initiatives for an Agri-Fintech platform, building end-to-end ML pipelines and intelligent automation systems.
- Built a company-wide data warehouse and automated ETL pipelines.
- Developed eKYC onboarding module, making farmer onboarding 90% faster and eliminating fake registrations.
- Created a BI chatbot using LLMs, reducing surface-level analytics time by ~70%.
- Automated 30+ recurring financial and operational reports, saving ~80 hours of manual work per month.
- Delivered production-ready scoring models and dashboards, improving decision-making efficiency by ~50%.
SSL Wireless
Data Scientist
Worked on large-scale data pipelines and ML solutions for one of Bangladesh's leading payment gateway companies.
- Processed 1B+ customer behavior records using Dask and Airflow to generate targeted marketing insights for large Payment Gateway Clients.
- Built an NLP-based SMS Compliance Validator with 95% accuracy, deployed to process 100,000+ messages per hour.
- Developed geospatial fraud detection solution used by 300+ field agents, improving field audit efficiency.
- Built and deployed forecasting and analytics pipelines that reduced recharge balance-out incidents for telecom operations.
Featured Projects
Production systems built at scale — from LLM pipelines to billion-record ETL workflows.
Business Intelligence ChatBot
Agentic AI system that queries databases using natural language prompts, reducing analytics time by ~70% across the organization.
eKYC Farmer Onboarding Module
Computer Vision + LLM pipeline for accurate identity verification, making farmer onboarding 90% faster and eliminating fake registrations.
Centralized Data Warehouse (Agri-Fintech)
End-to-end data warehouse solution with automated ETL pipelines, analytics dashboards, and real-time reporting for an agricultural fintech company.
Billion-Scale Customer Behavior ETL
ETL pipeline processing 1B+ customer behavior records for targeted marketing and credit scoring for large payment gateway clients.
Terms & Conditions Validator (RAG + LLM)
RAG-based system for validating merchant terms and conditions for SSLCommerze, improving compliance checking accuracy and speed.
Geospatial Fraud Detection (FMCG)
ML-powered fraud detection for sales representatives using geospatial analysis of supply chain app data, used by 300+ field agents.
Telecom Recharge Transaction Forecasting
Time series forecasting pipeline for telecom operator recharges through Easy.com, reducing balance-out incidents significantly.
Automated Meeting Minutes Summarizer
Speech-to-text + LLM pipeline that transcribes meetings, separates dialog speakers, and generates structured meeting minutes automatically.
Automated Financial Report ETL & Bot
Automated accounting and financial report generation with ETL pipelines, visualization dashboards, and a report distribution bot.
Data Pipeline from Messy Doccument
Developed an end-to-end AI-powered data pipeline to process and analyze over 500 unstructured PDF documents, each exceeding 20 pages in length. Leveraging OCR and Large Language Models (LLMs), the solution automatically extracted more than 25 key variables from complex document layouts and converted them into structured, analysis-ready datasets.
Skills & Technologies
A comprehensive toolkit spanning the full ML and data engineering stack.
Programming Languages
ETL & Analytics
Machine Learning
LLMs & Generative AI
Computer Vision
Deployment & MLOps
Publications
Peer-reviewed research contributions in machine learning and NLP.
Sentiment Analysis and Product Review Classification in E-commerce Platform
Authors: M. H. Munna, M. R. I. Rifat and A. S. M. Badrudduza
2020 23rd International Conference on Computer and Information Technology (ICCIT) — Dhaka, Bangladesh
An End-to-end Machine Learning System for Mitigating Checkout Abandonment in E-Commerce
Authors: M. R. Islam Rifat, M. Nur Amin, M. H. Munna and A. Al Imran
2022 17th Conference on Computer Science and Intelligence Systems (FedCSIS) — Sofia, Bulgaria
Identification of Clickbait in Video Sharing Platforms
Authors: M. H. Munna and M. S. Hossen
2021 International Conference on Automation, Control and Mechatronics for Industry 4.0 (ACMI) — Rajshahi, Bangladesh
Education & Certifications
Academic foundation in engineering, complemented by industry-recognized training.
Academic Education
BSc in Electronics and Telecommunication Engineering
Rajshahi University of Engineering and Technology (RUET)
Higher Secondary Certificate (HSC)
New Govt. Degree College
Secondary School Certificate (SSC)
Mohanpur Govt. High School
Certifications & Training
Training on Artificial Intelligence
PUM Netherlands Senior Experts, Organized by BASIS
Cloud Journey With AWS
BASIS
Achievements & Activities
Beyond code — recognition, competition, and community.
Achievements
Robi Datathon 3.0 Grand Finalist
Achieved Grand Finalist position in one of Bangladesh's most prestigious data science competitions, organized by Robi Axiata Ltd.
2024Extra Curricular
- ▹Opening Batsman at Inter Software Company Cricket Tournament (ISCCT) for SSL Wireless
- ▹Former Member and Batsman, Cricket Club of RUET (CCR)
- ▹Sony Smart Karaoke Music Competition - Top 200 Nationwide
Let's Work Together
Open to new opportunities, collaborations, and interesting data problems.
Got a project in mind?
Whether you're looking for a Senior Data Scientist, need help with ML systems, LLM pipelines, or data infrastructure — I'd love to hear from you.
Send me an emailPhone
+8801742831013Location
Banasree, Rampura, Dhaka, Bangladesh