Rajat Chauhan
Senior Data Engineer | ETL & Data Quality
Salary / Daily rate
Paris, France
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Data Engineer with 5+ years of expertise in ETL automation and data quality initiatives. Demonstrated success improving pipeline reliability by 30% and building dynamic dashboards for sales analytics. Specialized in Python, SQL, and Big Data technologies to deliver clean, actionable data that reduces manual effort and drives business insights.
Work experience
Data Quality Analyst
Doctolib
Sep 2023 - Mar 2024
7 months
Nantes, France
• Led a data quality initiative that improved pipeline reliability and reduced sales data issues by 30% • Built 5+ dynamic dashboards using SQL in Metabase to support sales & marketing analytics • Collaborated with Reltio MDM and Salesforce teams to ensure consistent data mapping and model integrity • Delivered clean datasets to sales/marketing teams, reducing manual effort by 20%
Knoema
Jul 2019 - May 2022
2 years 11 months
Greater Bengaluru Area
Data Engineer II
Jan 2022 - May 2022
5 months
Greater Bengaluru Area
• Implemented automated ETL pipeline using Python, Selenium, and web scraping for data quality. • Collaborated with stakeholders to prioritize feature development for scalability and performance. • Monitored and optimized infrastructure performance to ensure smooth data pipeline operations.
Data Engineer
Jul 2019 - Dec 2021
2 years 6 months
Bengaluru, Karnataka, India
• Expert in ETL processes using automation tools to enhance project deliverables. • Collaborated with project leads to plan, execute, and finalize project activities. • Implemented effective strategies and proactive measures for project success.
Education
CY Cergy Paris Université
Master’s Program in Big Data/ Business Analytics
2022 - Present
4 years 2 months
Jaypee University of Engineering and Technology
Bachelor of Technology - BTech
2014 - 2018
4 years 2 months