About Varun
English
Native or bilingual
German
Conversational
Experience
- VALESA GMBHBUSINESS INTELLIGENCE ENGINEERDIGITAL AND ITJune 2023 - September 2024 (1 year and 3 months)Berlin, Germany• Developed and monitored ETL processes using Python and Azure Data Factory, improving data accuracy by 40%.• Integrated and maintained 10+ APIs (REST, GraphQL, OPEN), streamlining input to the staging layer.• Optimized SQL Queries in data warehouse, ensuring schema integrity and query performance.• Developed scalable ETL processes using Python and Azure Data Factory for structured pipeline management.• Supported data QA processes and stakeholder communication to ensure accuracy and transparency in data (with MS Excel) forreporting.• Built interactive dashboards with Power BI and DAX that provided actionable insights and data– informed decisionsfor stakeholders.
- DISTRICT 15INTERN DATA ANALYSISMarch 2021 - September 2021 (6 months)• Provided ROI estimates and regional growth trends through data visualization and reporting.• first experience with MS Excel (pivots and power queries)
Recommendations
Be the first to recommend Varun
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- GERMAN COURSEWIPA2025GERMAN COURSE
- BSC. IN DIGITAL BUSINESSUNIVERSITY OF EUROPE FOR APPLIED SCIENCES2024BSC. IN DIGITAL BUSINESS