Tushar Kumar
Building Managed Data Lake@Fivetran | Data Lakehouse | Data Lakes | Apache Iceberg | Apache Parquet | Delta Lake
- Role
- Staff Software Engineer at Fivetran
- Location
- San Francisco, CA, US
- LinkedIn followers
- 500 followers
About Tushar Kumar
I’m a backend engineer with 5 years of experience, who enjoys working on large-scale distributed systems, especially in the data infrastructure space. At Fivetran, I’ve been involved in building and scaling Fivetran\'s Data Lake offering. One of the most impactful projects I worked on is distributed data write engine that handles terabyte-scale Parquet files and millions of daily write requests reliably and with low latency.I like digging into tough engineering problems, whether that’s reducing cloud costs, improving system performance, or ensuring data consistency across table formats like Delta Lake and Iceberg. I’ve also worked on things like smarter request handling, memory-aware algorithms, and building garbage collection systems.More than anything, I care about building systems that are reliable in production and make a real difference at scale.
Experience
Staff Software Engineer
Mar 2026 — Present · San Francisco, CA, US
Education
Sikkim Manipal Institute of Technology
Bachelor of Technology - BTech, Computer Science
2016 — 2020
Delhi Public School, Ruby Park
High School
2011 — 2016
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