Dmitrii Sherstobitov

About Dmitrii Sherstobitov

Leading chaos testing and consistency validation strategy for YugabyteDB — a distributed SQL database running at the scale of global payment networks and major financial institutions. The focus: building tooling and methodology that keeps distributed systems honest — query optimizer benchmarking, fault injection, randomized query generation, and differential testing against PostgreSQL. Driving adoption of AI-augmented testing workflows across the engineering org, with active research into where AI coding agents break down on distributed database workloads.

Experience

1. Staff Engineer - Ii

   Yugabyte

   Mar 2025 — Present · Sunnyvale, CA, US

   Leading chaos testing and consistency validation strategy for YugabyteDB\'s transactional, resiliency, and optimizer layers. Built and maintain original tooling for query optimizer benchmarking, randomized query generation, and differential testing that compares YugabyteDB vs PostgreSQL behavior under fault conditions. Designed Jepsen-based consistency scenarios that surface edge cases across distributed environments. Driving AI-augmented testing initiatives including automated failure analysis and AI coding agent benchmarks, and mentoring engineers on QA tooling and methodology.

Education

• Saint Petersburg State University

  Master's degree, Hydro-aeromechanics

  2005 — 2012