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Roopal Kulshreshtha

@roopalkulshreshtha

I build cloud-native data pipelines and AI applications that improve enterprise data reliability.

At Airtel International, I build scalable ETL/ELT pipelines and cloud-native data applications using Python, SQL, AWS, PySpark, Databricks, dbt, FastAPI, Docker, and Kubernetes.

I've orchestrated production workflows with Apache Airflow, built reusable REST APIs, and optimized SQL workflows to reduce manual validation effort by 60%.

I also develop AI applications with LangChain, CrewAI, OpenAI LLMs, prompt engineering, and RAG, connecting enterprise knowledge sources to intelligent task orchestration.

Across Airtel, E2E Research for McKinsey & Company, Mercer, and Accenture, I've led automation and data-quality initiatives, mentored engineers, and delivered reliable testing frameworks that reduced testing cycles and manual effort.

Experience

Work history, roles, and key accomplishments

Lead AI Engineer

Airtel International LLP

Jan 2025 - Sep 2026 (1 year 8 months)

Designed and developed scalable ETL/ELT data pipelines using Python, SQL, AWS Glue, Amazon S3, Amazon Redshift, and AWS Lambda. Built and orchestrated production data workflows with Apache Airflow and developed AI applications using LangChain, CrewAI, and OpenAI LLMs.

Databricks DBT PostgreSQL fastAPI Docker Kubernetes Lang Chain Crew AI OpenAI RAG Prompt Engineering Python SQL PySpark AWS ETL ELT Airflow

Lead SDET

Airtel International LLP

Jan 2024 - Dec 2024 (11 months)

Led end-to-end ETL testing for enterprise data warehouse and AWS cloud migration initiatives. Defined ETL test strategies and validation frameworks, performing source-to-target reconciliation using complex SQL queries.

ETL Testing SQL Python Pytest fastAPI REST APIs Jenkins Git Gitlab CI Test Driven Development

Team Lead

E2E Research

Mar 2020 - Jan 2024 (3 years 10 months)

Led engineering teams in designing and maintaining Selenium, PyTest, and Cypress automation frameworks for AWS-based cloud applications. Reduced testing cycles by 35% and increased automation coverage by 80%.

Selenium Pytest Cypress AWS Test Driven Development API Testing Performance Testing Automation Framework

Senior Automation Test Engineer

Mercer

May 2016 - Mar 2020 (3 years 10 months)

Applied TDD principles while developing Data-Driven, Page Object Model, and Hybrid automation frameworks using Selenium, Java, Cucumber, UFT, and SOAP UI. Defined API/UI automation strategy and mentored team members on automation best practices.

Selenium Java Cucumber UFT SoapUI Test Driven Development API Testing Automation Framework

Software Engineer (Automation Tester)

Accenture Solutions Pvt. Ltd.

Aug 2014 - May 2016 (1 year 9 months)

Implemented TDD using Selenium WebDriver and BDD using Cucumber, Geb, and Java for regression automation. Identified test scenarios from requirements, created test cases and requirement mappings, and managed defects using JIRA and QC ALM.

Selenium Webdriver Cucumber GEB Java Test Driven Development BDD Jira QCALM