Vadim Graboys
San Francisco, California, United States
Summary
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RockstarVadim Graboys is a seasoned software engineer based in San Francisco with 14 years building high-throughput, production systems and leading engineering teams. He has driven backend and systems work at Cruise Automation, architected low-latency transaction pipelines at Chartbeat, and led data-ingestion and integration efforts at Spring using Go, Python, and JavaScript. At Bloomberg he designed domain-specific languages and simulation engines for complex financial products, demonstrating a strong foundation in both systems design and domain modeling. An active contributor to open-source—helping improve shopspring/decimal with clearer docs, rounding/formatting features, and robustness tests—he brings attention to correctness in numerical code. Vadim combines hands-on implementation skills with technical leadership, often surfacing subtle edge cases that improve reliability at scale. He maintains a public-facing collection of thoughts and projects at deapthoughts.com, reflecting a reflective approach to engineering practice.
14 years of coding experience
11 years of employment as a software developer
Github Skills (4)
golang10
go10
documentation9
testing9
Programming languages (5)
Github contributions (5)
shopspring/decimal
Feb 2015 - Sep 2016
Arbitrary-precision fixed-point decimal numbers in Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:33 commits, 12 PRs, 29 pushes in 1 year 7 months
Contributions summary:Vadim primarily contributed to improving the documentation of the `decimal` library, focusing on making the code more understandable through clear examples. They added new functionalities, including methods for rounding, flooring, ceiling, and formatting fixed-point strings. Furthermore, the user addressed bugs related to scientific notation parsing and implemented extreme-value tests to ensure code robustness.
golangdecimalsarbitraryarbitrary-precisionpoint
vadimg/deapthoughts
Feb 2016 - Feb 2025
Contributions:11 pushes in 9 years 1 month
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