Karanveer Gurjot Dhaliwal
SStaff Data Engineer at Reliance Jio | ex-American Express
- Reliance Jio
- Chandigarh, India · IST (UTC+5:30)
- 12+ years experience
- Jadavpur University
- English, Hindi, Punjabi
Messaging unavailable
Overview
15 years in software engineering, the last 1 at Reliance Jio, where I work on the data platform team. Brought on-call pages for data platform down from 40 a week to 2. Before that: American Express and Siemens. Most at home with Python and Snowflake. Learning Japanese, slowly.
Good reasons to reach out
- Working sessions on Spark
- Thoughtful intros to people in my field
Please don't message about
- Courses and coaching offers
- Offshore staffing offers
Answers in batches on Fridays
Skills
SparkPythonAirflowSnowflake
Experience
- Staff Data EngineerSep 2025 - PresentReliance Jio · 1 yr 1 mo · Full-time · Chandigarh, India
- Taught SQL to 39 non-analysts.
- Wrote the metric definitions the leadership team reviews every week.
- Cut forecast error from 22% to 9% across 1414 SKUs.
- Senior Data EngineerMar 2022 - Jul 2025American Express · 3 yr 4 mo · Full-time · Chandigarh, India
- Wrote the metric definitions the leadership team reviews every week.
- Taught SQL to 83 non-analysts.
- Data EngineerAug 2020 - Mar 2022Siemens · 1 yr 7 mo · Full-time · Chandigarh, India
- Taught SQL to 182 non-analysts.
- Data EngineerOct 2018 - Aug 2020Capgemini · 1 yr 10 mo · Full-time · Chandigarh, India
- Reduced stock-outs by 38% in the first season.
- Taught SQL to 72 non-analysts.
- Data EngineerFeb 2015 - Oct 2018MakeMyTrip · 3 yr 8 mo · Full-time · Chandigarh, India
- Wrote the metric definitions the leadership team reviews every week.
- Taught SQL to 112 non-analysts.
Projects
Conference talk: lessons from forecasting
2022What went wrong and what worked while scaling demand forecasting.
References
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Education
- Jadavpur UniversityB.E., Mathematics2007 - 2011
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