Sukanya Roy Choudhury
Senior Data Analyst
Bangalore
Summary
Senior Data Analyst with 12+ years of industry experience in Data Analysis, Data Modelling, Data Visualization, Data Processing and Data Warehousing across different domains like Retail ( Instore| Dotcom), Finance, Health Care, Supply chain, Tech & Telecommunications. Demonstrated expertise in developing and deploying AI and Generative AI (GenAI) solutions. In-depth knowledge of LLM stack architectures, including prompt chaining, vector databases, and multi-agent workflows.
Overview
12
12
years of professional experience
4
4
years of post-secondary education
Work History
Lead Data Product Analyst
TESCO
Bengaluru
02.2023 - Current
- Led an 11-member team to developed a centralized Dotcom analytics platform at Tesco, enhancing Store Performance KPI visibility, improving efficiency by 95%, and achieving 12.8K daily active views.
- Implemented an Enterprise Analytics Suite for 'Loss Prevention & Reporting', tracking waste across 8 business functions, reducing unidentified losses by 15% and improving waste tracking efficiency by 40%.
- Created a machine learning model to predict coupon redemption likelihood, leveraging customer-product affinity, usage history, and coupon details, boosting participation by 23% and redemption by 31%.
Lead Data Analyst
Larsen & Toubro Infotech
Bengaluru
04.2021 - 02.2023
- Led a 7-member Supply Chain Plan BI Team, developing a Booking Tracker suite that improved booking forecasting accuracy by 23% and reduced overall supply chain costs by 15%.
- Built a BI-driven Demand Forecast Analyzer to monitor the gap between forecasted and actual product demand, resulting in reducing stockouts, lowering excess inventory costs, and enhancing reporting efficiency by 90%.
Senior Data Analyst
JPMorgan Chase & Co.
Mumbai
02.2020 - 04.2021
- Engineered an NLP-driven dispute analysis solution to identify repeat disputes, optimizing process efficiency and saving 10–12 FTEs per month.
- Designed and developed the CBO Executive Dashboard to track disputes, complaints, and SLA compliance, which helped to enhance compliance accuracy to 99.5% and improve dispute closure rate by 12%.
- Established an NCRA Data Warehousing solution using Alteryx, Python, and Tableau, automating ETL pipelines for 59 CRA files, achieving 99.5% data accuracy, 95% efficiency gains.
- Built Python web scraping scripts to automate data collection.
Senior Data Analyst
Accenture
Mumbai
09.2018 - 01.2020
- Deployed interactive BI solutions for Sales, Product, Plant Operations, and Customer Analysis, providing insights on customer loyalty, zonal growth, sales performance, product availability, and quality, which reduced manual analysis time by approximately 20+ man-hours per week.
Data Analyst
IBM
Kolkata
05.2013 - 09.2018
- Architected and optimized ETL pipelines using DataStage to process large-scale subscriber data, improving data processing speed by 60%.
- Designed 10+ Tableau dashboarding solutions for customer segmentation, acquisition/churn strategies, reducing churn by 15% and boosting retention by 10% for a major Telecom Client.
Education
Bachelor of Technology (B.Tech.) - Electronics and Communication Engineering
West Bengal University of Technology
West Bengal 06.2009 - 06.2013
Skills
Data Visualization: Tableau, Python (Matplotlib, Seaborn, Plotly)
Programming & Scripting: SQL, Python (NumPy, Pandas, Beautiful Soup)
Tools and Utilities: Alation, Alteryx, GitHub
Machine Learning: Scikit-learn (regression, classification, clustering, time series analysis)
Generative AI & LLM Stack: OpenAI, Prompt chaining, Vector databases, RAG, Architecture design
AI Workflow Engineering: Multi-agent systems, RAG pipelines, AI workflow deployment
Project Management & Methodology: Requirements Gathering, Cross-Functional Collaboration, Agile
Certification
Tableau Certified Data Analyst - By Tableau, Alteryx Core Certified - By Alteryx
Timeline
Lead Data Product Analyst
TESCO
02.2023 - Current
Lead Data Analyst
Larsen & Toubro Infotech
04.2021 - 02.2023
Senior Data Analyst
JPMorgan Chase & Co.
02.2020 - 04.2021
Senior Data Analyst
Accenture
09.2018 - 01.2020
Data Analyst
IBM
05.2013 - 09.2018
Bachelor of Technology (B.Tech.) - Electronics and Communication Engineering
West Bengal University of Technology
06.2009 - 06.2013