Premkumar S profile photo 1 on Tal

Premkumar S

Junior Data Analyst

Chennai

1+ year of work experience

Sulekha
May 20251 yr 6 mosPresent

Chennai

• Built and maintained ETL pipelines using Python, Pandas, PyODBC, and Psycopg2 for data integration across SQL Server, PostgreSQL, BigQuery, Redis, Cosmos DB, and Azure Blob Storage • Led database migration projects from Azure SQL Database to Azure Database for PostgreSQL, ensuring data accuracy, consistency, and scalability • Designed metadata-driven ETL frameworks for incremental data synchronization and dependency-aware pipeline execution, improving processing performance and reliability • Developed and automated Azure Data Factory (ADF) pipelines for enterprise data movement, integration, and data quality management • Developed Azure OpenAI-powered NLP solutions to automatically classify inbound WhatsApp messages and improve customer response routing • Built Machine Learning models using Random Forest and feature engineering to predict customer recharge and renewal likelihood • Developed Streamlit dashboards to visualize ML predictions and provide business stakeholders with real-time analytical insights • Built SEO and search analytics solutions using BigQuery, Azure Log Analytics (KQL), and Python to monitor crawl activity, impressions, and lead conversion • Developed near real-time data synchronization frameworks across databases, cloud services, and CRM platforms • Automated bulk Excel data processing by implementing schema detection, validation, and PostgreSQL loading, reducing manual data processing • Built and maintained Power BI and Looker Studio dashboards for KPI tracking, funnel analysis, and leadership reporting • Developed full-stack business applications using ASP.NET Core, React, C#, and Dapper, including Location Management and CRM analytics platforms • Developed administrative tools for managing business listing rankings, trust scores, campaign insights, and operational data on Sulekha.com
datakulture
Sep 20244 mosDec 2024

Chennai

• Analyzed retail-domain datasets covering procurement, warehouse management, and inventory optimization to generate operational insights. • Designed relational data models and built stored procedures for dynamic, user-input-based data retrieval. • Implemented database triggers to capture deleted records for audit tracking; built a Python solution to store user inputs as JSON and load into SQL Server. • Built interactive Power BI dashboards for profit analysis, sales trend tracking, and inventory optimization.
PALGenie Technologies Private Limited
Sep 20241 moSep 2024

Chennai

• Developed a GenAI-powered Q&A system that rendered AI-generated answers to user queries on uploaded files using OpenAI and FastAPI. • Built a secure login API using FastAPI and JWT (JSON Web Tokens) for user authentication and authorization. • Designed custom, context-aware, and format-specific prompts; analyzed chat transcripts to classify formal vs. informal communication. • Gained foundational knowledge of symmetric and asymmetric cryptography concepts.
NSICLTD
Jan 20231 moJan 2023

DigitalVeli Technologies
Jan 20231 moJan 2023

Premkumar’s AI Stack

antigravity
antigravity
claude code
claude code
claude
claude
cursor
cursor
perplexity
perplexity
ChatGPT
ChatGPT

Education

Velammal Engineering College

B.E, Computer Science and Engineering

Velammal Engineering College

20204 yrs2024
Maharishi Vidya Mandir Senior Secondary School

HSC (CBSE), PCCM

Maharishi Vidya Mandir Senior Secondary School

20191 yr2020

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Headline

Junior Data Analyst

About

I’m S Premkumar, a passionate and dedicated Junior Data Analyst at Sulekha, with a strong interest in data engineering and data analytics. I thrive on learning new technologies and applying them to solve real-world problems. I hold a Bachelor's degree in Computer Science Engineering from Velammal Engineering College, Chennai. With a solid foundation in coding and analytical thinking, I enjoy transforming raw data into meaningful insights that drive informed decisions. Currently, I’m working with tools and technologies such as Python, SQL Server, BigQuery, and Looker Studio to support data-driven strategies. I take pride in being persistent, detail-oriented, and always open to exploring and mastering new skills in the evolving world of data. Let’s connect and share knowledge!

Location

Chennai

AI stack

antigravity

claude code

claude

cursor

perplexity

ChatGPT

Work experience

Junior Data Analyst at Sulekha, May 2025 - Present · 1 yr 6 mos, Chennai, • Built and maintained ETL pipelines using Python, Pandas, PyODBC, and Psycopg2 for data integration across SQL Server, PostgreSQL, BigQuery, Redis, Cosmos DB, and Azure Blob Storage • Led database migration projects from Azure SQL Database to Azure Database for PostgreSQL, ensuring data accuracy, consistency, and scalability • Designed metadata-driven ETL frameworks for incremental data synchronization and dependency-aware pipeline execution, improving processing performance and reliability • Developed and automated Azure Data Factory (ADF) pipelines for enterprise data movement, integration, and data quality management • Developed Azure OpenAI-powered NLP solutions to automatically classify inbound WhatsApp messages and improve customer response routing • Built Machine Learning models using Random Forest and feature engineering to predict customer recharge and renewal likelihood • Developed Streamlit dashboards to visualize ML predictions and provide business stakeholders with real-time analytical insights • Built SEO and search analytics solutions using BigQuery, Azure Log Analytics (KQL), and Python to monitor crawl activity, impressions, and lead conversion • Developed near real-time data synchronization frameworks across databases, cloud services, and CRM platforms • Automated bulk Excel data processing by implementing schema detection, validation, and PostgreSQL loading, reducing manual data processing • Built and maintained Power BI and Looker Studio dashboards for KPI tracking, funnel analysis, and leadership reporting • Developed full-stack business applications using ASP.NET Core, React, C#, and Dapper, including Location Management and CRM analytics platforms • Developed administrative tools for managing business listing rankings, trust scores, campaign insights, and operational data on Sulekha.com

Data Engineer at datakulture, Sep 2024 - Dec 2024 · 4 mos, Chennai, • Analyzed retail-domain datasets covering procurement, warehouse management, and inventory optimization to generate operational insights. • Designed relational data models and built stored procedures for dynamic, user-input-based data retrieval. • Implemented database triggers to capture deleted records for audit tracking; built a Python solution to store user inputs as JSON and load into SQL Server. • Built interactive Power BI dashboards for profit analysis, sales trend tracking, and inventory optimization.

Gen AI Engineer Trainee at PALGenie Technologies Private Limited, Sep 2024 - Sep 2024 · 1 mo, Chennai, • Developed a GenAI-powered Q&A system that rendered AI-generated answers to user queries on uploaded files using OpenAI and FastAPI. • Built a secure login API using FastAPI and JWT (JSON Web Tokens) for user authentication and authorization. • Designed custom, context-aware, and format-specific prompts; analyzed chat transcripts to classify formal vs. informal communication. • Gained foundational knowledge of symmetric and asymmetric cryptography concepts.

Web Development Intern at NSICLTD, Jan 2023 - Jan 2023 · 1 mo

Internship at DigitalVeli Technologies, Jan 2023 - Jan 2023 · 1 mo

Education

B.E, Computer Science and Engineering, Velammal Engineering College

HSC (CBSE), PCCM, Maharishi Vidya Mandir Senior Secondary School