Dhamodaran Mani
Chennai
Summary
Dynamic Senior BI & Data Analytics Manager with over a decade of experience in banking, financial services, and AI-driven analytics. Proven expertise in SQL automation, data visualization, and the development of GenAI pipelines. Skilled in designing RAG-based assistants, machine learning models, and automated ETL pipelines that significantly enhance business intelligence while minimizing manual workloads. Recognized for strong leadership in mentoring teams, optimizing stored procedures, and seamlessly integrating LLM-powered tools into enterprise environments.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Senior BI & Data Analytics Manager
HDFC Bank Limited
01.2020 - Current
- Developed stored procedures and dashboards for real-time monitoring of NPA and credit card performance.
- Automated daily ETL pipelines using Python (Pandas) & SQL Server – reduced reporting time by 40%.
- Created Seaborn visualizations for internal risk prediction models.
- Designed and optimized 200+ stored procedures in SQL Server for regulatory and management reporting.
- Mentored junior analysts in BI tools, SQL optimization, and banking domain analytics.
Major Projects
1. SQL Automation with GenAI
- Situation: Manual SP creation and optimization were time-intensive.
- Task: Build an AI-driven SQL-to-SP automation tool.
- Action: Designed a 10-agent pipeline (SP generation, documentation, optimization, BRD creation). Built modular Streamlit UI with SQL Server authentication; integrated Ollama & OpenAI APIs for generation and validation.
- Result: Automated ~70% of repetitive SQL development tasks, freeing developers for strategic work.
2. GenAI – RAG-based Knowledge Assistant
- Situation: Business teams struggled with slow manual SQL query handling.
- Task: Develop a chatbot to convert text prompts into SQL queries and stored procedures.
- Action: Implemented a RAG pipeline with embeddings & vector DB for schema-aware retrieval. Integrated Ollama, Gemini, and SQL Server backend with Streamlit frontend.
- Result: Reduced manual SQL effort by ~60% and improved query turnaround speed.
3. Customer Segmentation using NLP & ML
- Situation: Needed better targeting based on customer feedback and transactions.
- Action: Processed and analyzed data using Pandas, NLP (tokenization, sentiment analysis), and clustering algorithms (KMeans, DBSCAN). Visualized insights using Streamlit dashboards.
- Result: Identified 4–5 customer clusters, improving campaign targeting efficiency by 25%.
BI Developer / Analyst
Value Momentum Software Services Pvt. Ltd.
09.2014 - 12.2019
- Designed BI reports using QlikView and Oracle for insurance and financial clients.
- Migrated legacy Excel dashboards to automated Oracle + QlikView systems.
- Built and maintained ETL workflows using Oracle PL/SQL for data warehousing and compliance.
- Collaborated with stakeholders to ensure data integrity and support regulatory reporting.
SQL & Reporting Analyst
Yalamanchili Software Exports Ltd.
03.2013 - 09.2014
- Developed financial and operational reports using SQL and Excel automation for BFSI clients.
- Maintained database performance and backend integration for payment gateways.
Education
B Tech - Information Technology
T J Institute of Technology
01.2012
Skills
- Languages & Tools: SQL, Python (Pandas, NumPy, Seaborn, Plotly), Power BI
- Databases: Microsoft SQL Server, Oracle, Mysql
- Machine Learning: Scikit-learn, Supervised & Unsupervised , Clustering (KMeans, DBSCAN), NLP (TF-IDF, Embeddings, Sentiment Analysis)
- GenAI & NLP: LangChain, RAG, Prompt Engineering, Ollama, Gemini, Vector Databases (FAISS, Pinecone)
- ETL & Data Integration: Python Automation, PL/SQL, API Integration, Data Warehousing
- Visualization & Reporting: Power BI, Streamlit Dashboards, Excel, Tableau
- DevOps & Deployment: Streamlit, GitHub
- Domain Expertise: Banking,Credit Cards, Customer Segmentation ,Insurance
- Neural networks
- Real-time analytics
- Python programming
Certification
- Applied NLP Project — GUVI Geek Networks, IITM Research Park
- Data Science — GUVI Geek Networks, IITM Research Park
- Data Analytics Using Pandas — GUVI Geek Networks, IITM Research Park
Experience Overview
- 5.5 years – SQL & Data Analytics & SSIS
- 3 years – Python & Machine Learning (Modeling, EDA, Deployment)
- 1+ year – Generative AI, RAG, NLP, LLM Integration
Timeline
Senior BI & Data Analytics Manager
HDFC Bank Limited
01.2020 - Current
BI Developer / Analyst
Value Momentum Software Services Pvt. Ltd.
09.2014 - 12.2019
SQL & Reporting Analyst
Yalamanchili Software Exports Ltd.
03.2013 - 09.2014
B Tech - Information Technology
T J Institute of Technology