Sachin Chavhan profile photo 1 on Tal

Sachin Chavhan

Senior Python developer | GenAI | RAG | LangChain | LangGraph | LLM Applications

Pune Division

10+ years of work experience

IBM
Nov 20214 yrs 10 mosPresent

Pune Division

Developed LLM-powered Slack chatbot using LangChain and OpenAI GPT-4 API, enabling natural language queries on enterprise datasets for internal analytics team. Built RAG (Retrieval-Augmented Generation) pipeline using LangChain, HuggingFace embeddings, and Pinecone vector database. Created automated database migration tool using Python and LLM-based code generation to convert T-SQL queries to PostgreSQL syntax. Built a GenAl-powered chatbot for internal users to query policies, technical documentation, and operational data. Built production ETL pipelines using Python and BigQuery to ingest and transform Workday HR data. Developed JSON-configurable data processing framework allowing rapid deployment of ETL pipelines. Designed and implemented a multi-stage Agentic Al workflow using GitHub Copilot Agents to automate legacy PowerBuilder Ul modernization. Built a modular agent architecture converting DataWindow JSON HTML/CSS (Figma-ready) → React TypeScript, enabling scalable migration across 150+ screens and accelerating end-to-end
IBM
Nov 20214 yrs 10 mosPresent

Pune, Maharashtra, India

Capgemini
Jan 20192 yrs 11 mosNov 2021

Mumbai Metropolitan Region

Developed Python automation scripts for Dell EMC storage provisioning and management using REST APIs. Built Selenium-based web automation framework for automated report generation and data extraction. Created reusable Python automation framework with modular design.
Shipco Transport
Sep 20162 yrs 5 mosJan 2019

Pune

Built XML parsing and validation system using Python and Ixml. Designed and implemented AWS S3 integration for file storage. Optimized MySQL database queries and stored procedures. Automated operational tasks using Python and Shell scripts.

Sachin’s AI Stack

claude code
claude code
ollama
ollama
openai
openai

Education

Engineer’s Degree, Electronics and Communications Engineering

Javaharlal Darda Institute of Engineering And Technology, Lohara,

20114 yrs2015

Join Sachin and 10k+ other professionals on

Tal Boss

Tal is the app where bosses meet engineers & builders directly, without middlemen

Download Tal Boss

Sachin Chavhan on Tal

Headline

Senior Python developer | GenAI | RAG | LangChain | LangGraph | LLM Applications

About

Python developer with 9 years of experience. Specialized in developing LLM-powered and Agentic Al systems, including GitHub Copilot-based automation workflows, RAG pipelines, and enterprise-scale Ul modernization solutions, and building scalable ETL pipelines on GCP. Strong background in Python development, cloud infrastructure, and automation.

Location

Pune Division

AI stack

claude code

ollama

openai

Work experience

Generative AI Engineer at IBM, Nov 2021 - Present · 4 yrs 10 mos, Pune Division, Developed LLM-powered Slack chatbot using LangChain and OpenAI GPT-4 API, enabling natural language queries on enterprise datasets for internal analytics team. Built RAG (Retrieval-Augmented Generation) pipeline using LangChain, HuggingFace embeddings, and Pinecone vector database. Created automated database migration tool using Python and LLM-based code generation to convert T-SQL queries to PostgreSQL syntax. Built a GenAl-powered chatbot for internal users to query policies, technical documentation, and operational data. Built production ETL pipelines using Python and BigQuery to ingest and transform Workday HR data. Developed JSON-configurable data processing framework allowing rapid deployment of ETL pipelines. Designed and implemented a multi-stage Agentic Al workflow using GitHub Copilot Agents to automate legacy PowerBuilder Ul modernization. Built a modular agent architecture converting DataWindow JSON HTML/CSS (Figma-ready) → React TypeScript, enabling scalable migration across 150+ screens and accelerating end-to-end

Python Developer | Web Automation | Data Analytics Expert at IBM, Nov 2021 - Present · 4 yrs 10 mos, Pune, Maharashtra, India

Consultant at Capgemini, Jan 2019 - Nov 2021 · 2 yrs 11 mos, Mumbai Metropolitan Region, Developed Python automation scripts for Dell EMC storage provisioning and management using REST APIs. Built Selenium-based web automation framework for automated report generation and data extraction. Created reusable Python automation framework with modular design.

Software Engineer at Shipco Transport, Sep 2016 - Jan 2019 · 2 yrs 5 mos, Pune, Built XML parsing and validation system using Python and Ixml. Designed and implemented AWS S3 integration for file storage. Optimized MySQL database queries and stored procedures. Automated operational tasks using Python and Shell scripts.

Education

Engineer’s Degree, Electronics and Communications Engineering, Javaharlal Darda Institute of Engineering And Technology, Lohara,

Sachin Chavhan - Generative AI Engineer in Pune Division | Tal