PulseQL
Explore the productPowerful analysis. Thoughtful guardrails.
A governed desktop workspace for AI-assisted data analysis.
Read case study DATA & AI ENGINEERSELECTED PROJECTS & ENGINEERING NOTES
Hi, I’m Sagar.
I build the data systemspowering AI
I turn fragmented enterprise data into reliable platforms, then build AI applications on top of them, from ingestion and processing to retrieval, evaluation, and production deployment.
See the workHello, and welcome to my portfolio.
PYTHON / SQL / SPARK / BIGQUERY / RUST / TYPESCRIPT20M events/day · 900+ modules modernized ✳
01 / SELECTED WORK
All projects Projects & case studies.
Atrium
In developmentAnswers with something to stand on.
Company knowledge, grounded in citations and access boundaries.
Read case studyRelay
In developmentShared context. Better decisions.
A coordination layer for teams building with AI.
Read case study02 / THE APPROACH
The best systems make
the complex feel clear.
My work lives where data engineering meets product thinking. From enterprise lakehouses to local AI tools, I care about what happens beneath the interface and how it feels to use what’s above it.
Build the foundation. Keep the evidence visible. Make failure recoverable. These are the details that turn an interesting prototype into something people can rely on.
900+Java modules → Spark + Beam
20M/dayevents into BigQuery
35+financial datasets → lakehouse
6h→45m119-table CDC + validation
Aug 2026 – Present
Quantiphi
Senior Data Engineer
Oct 2025 – Aug 2026
Wells Fargo · via Capgemini America Inc.
Data Engineer
Sep 2023 – May 2025
University of Maryland
Data Specialist
Jul 2021 – Jul 2023
Tiger Analytics
Senior Software Engineer. Data Platform
04 / AWAY FROM THE SCREEN
A different kind of focus.
Wandering, noticing, making photographs.
A few frames from life in between.
20 frames · An ongoing collection
05 / FIELD NOTES
All writing Thinking out loud.
it matter.
Interesting problems. Thoughtful people. Good conversations.
Find me on GitHub