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abhishkk

Abhishek Kumar

@abhishkk

Data and Backend Engineer

India
English, Hindi
About me
13+ years building data platforms and backend systems — Goldman Sachs, Walmart Global Tech, Ola, and two funded startups where I led teams of 6-12 engineers. What I actually do: build pipelines that don't break at 3am, cut cloud bills (30% org-wide at my last platform role), replace expensive SaaS with open-source builds, and ship browser tooling. I also built and run parqueteditor.com, a free client-side Parquet editor doing 2,000+ sessions a month. You talk to the person writing the code. No agency, no handoff, no account manager.... Read more

Skills

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abhishkk
Abhishek Kumar
Offline • 

See my services

Data ETLs
I will build production pyspark, python and sql data pipelines
From$45 / projectMore details

Work experience

OneStudyTeam

Staff Engineer

OneStudyTeam • Full-time

Jul 2025 - Apr 2026 • 9 mos

Data platform work for a clinical-research SaaS. Re-modeled the dbt warehouse and Cube semantic layer through a company-wide product migration with zero regression to sponsor-facing reports. Built cross-account AWS data sharing with row and column-level access control.

ALLEN_Digital

Staff Engineer

ALLEN Digital • Full-time

Nov 2023 - Jul 2025 • 1 yr 8 mos

Architected an event-driven lakehouse on S3 and Iceberg, migrating 300+ tables from Redshift with Kafka CDC from MongoDB, MySQL and DynamoDB. Embedded Superset reporting into a customer-facing product at ~200K peak concurrent users. Cut database costs ~30% with zero downtime. Led a team of 6.

nurture

Principal Engineer

nurture • Full-time

Dec 2020 - Dec 2023 • 3 yrs

Built a data platform covering 1,800+ data points from scratch, plus the data quality and observability layer across every pipeline. Reduced org-wide infrastructure cost by 30% without impacting SLAs. Designed multi-cloud AWS + GCP disaster recovery with sub-30-minute switchover. Led 12+ engineers across three teams.