Karthik Ramakrishnan

Senior Data Engineer

Karthik Ramakrishnan

I build data platforms and pipelines at scale — currently at Walmart Global Tech, with over ten years in software and data engineering.

View projectsRésuméGitHubLinkedInEmail

Selected projects

payments-risk-warehouse

A dbt + DuckDB risk data platform for a P2P payments product, turning 6.4M transactions plus accounts, devices, logins and disputes into a tested star schema and a leakage-safe fraud feature table.

  • dbt
  • DuckDB
  • SQL
  • Data modeling
  • Data quality

Experience

  • Senior Data EngineerWalmart Global Tech · 2022 – present
  • Software EngineerGallup · 2017 – 2022