Niloy Biswas
4+ years of industry experience in Data Analytics • Research experience in ML, DL • B.Sc. in Software Engineering
BI analyst turned AI-systems builder, now co-owning the multi-agent RAG architecture behind TenTen, Bangladesh's first AI learning ecosystem.
Professional Experience
Specialist – Business Intelligence Analyst (full-time)
Feb 2025 – Current
- Co-owned the AI architecture for TenTen, Bangladesh's first AI learning ecosystem. Built multi-model AI agents applying RAG, hybrid vector search, and automated workflows using LangGraph, n8n (incorporating OpenAI, Gemini, and Hugging Face) to serve high-volume student queries.
- Developed a custom Python-based ETL pipeline to seamlessly extract, transform, and migrate data from MongoDB and PostgreSQL into BigQuery, resolving previous integration limitations encountered with Airbyte.
Sr. Business Intelligence Analyst (full-time)
Jan 2023 – Jan 2025
- Managed data structure, strategy, and insights delivery for the USAID-funded Higher Secondary Education Project in collaboration with Chemonics International and Florida State University, facilitating data-driven decisions to enhance education quality and digital integration across 99% of the colleges in Bangladesh.
- Played a key role in securing a $5.5 million Pre-Series A funding round by coordinating comprehensive due diligence with KPMG, one of the Big Four accounting firms.
- Led a Lead Scoring project that increased revenue by 75% in 6 months ($340K), driving sales through a combination of RFM and behavior-based scoring.
Business Intelligence Analyst (full-time)
Jul 2022 – Dec 2022
- Processed datasets and conducted feature analysis; designed 50+ dashboards using Looker Studio and BigQuery, streamlining data visualization and decision-making throughout the company.
- Analyzed and identified reasons for failed transactions, leading to a remarkable reduction of 76% in monthly failed transactions (from 55,000 to 13,000), resulting in a substantial decrease in lost revenue by 61%, from $65.33 million to $25.17 million.
- Conducted process automation and query optimization using GCP, reducing data processing times by 40% and lowering costs by 70%.
Sr. Data Analyst (part-time)
Jun 2025 – Jan 2026
- Designed and deployed Repocket's end-to-end data infrastructure from scratch, including a BigQuery data warehouse, Airbyte-based ETL pipelines, and Metabase & Looker dashboards, enabling scalable reporting and faster decision-making.
- Implemented GA4, GTM, WebEngage, and a unified UTM tracking framework to produce funnel and user-behavior analytics, enabling automated reporting that strengthened campaign attribution and decision-making.
Junior Data Analyst | Data Analyst Trainee (full-time)
Oct 2021 – Jun 2022
- Developed and implemented automated reports and dashboards using Python & SQL, slashing data processing time by 50%, thereby optimizing team productivity.
- Predictive analytics and implementation throughout the SaaS and E-Commerce systems.
- In-App Event Tracking, Funnel, Journey & App-Based Product Performance Analysis.
Education
B.Sc. in Software Engineering · CGPA 3.7/4
Teaching Experience
Instructor – Python for AI & Machine Learning (Contract)
- Taught Python for data analysis and introductory ML through hands-on labs.
- Guided participants to build an end-to-end ML project (data prep → modeling → evaluation).
- Advanced SheSTEM's mission of Empowering Female STEM Graduates, collaborating with SheSTEM and partner orgs on curriculum and assessments.
Instructor – Data Analytics Bootcamp (Contract)
- Taught SQL end-to-end: database paradigms (OLTP/OLAP, relational & non-relational), core querying (JOINs, subqueries), and advanced topics (window functions, performance tuning, dashboarding).
- Guided participants through hands-on exercises to build real-world problem-solving skills in data analytics.
Technical Skills
Database Management
BigQuery, SQL, MongoDB, Vector DB (Pinecone, Qdrant)
Languages & Version Control
Python, Advanced SQL, Git
Data Visualization & Analytics
Looker Studio, Tableau, MetaBase, Pandas, Matplotlib, Seaborn
Data Warehousing & ETL
GCP, Airbyte
AI Agents & Orchestration
n8n, Dify, LangChain, LangGraph, RAG & hybrid vector search
ML & LLM Tooling
Scikit-Learn, TensorFlow, LLM APIs
Automation & Scripting
Advanced Google Sheets, Google Apps Script, Selenium, Scrapy
Key Achievements
- Judge for the initial round of ‘Undergrad Startup Challenge’, organized by the BRAC BUEDF Club · Dec’2025
- Recognized as Top Performer at 10 Minute School in Q3 and Q4 of 2022.
- Achieved Worldwide Rank 1 in SQL problem-solving on HackerRank
- Solved over 200 problems across various platforms including HackerRank, Leetcode and URI Online Judge
Publications
Biswas, N. et al. (Under review) “Analyzing Upper and Lower Airway Obstructions on X-Ray Images Using Image Processing Techniques.” (Journal: Scientific Reports)