Brian Rubinton is a Staff Software Engineer with 13 years of experience building reliable, observable backend systems and financial infrastructure, currently at Docker after leading backend engineering through hypergrowth at Composer. He excels at turning messy requirements into predictable, extensible state machines and services—having rebuilt money-flow systems, scaled trading pipelines from $10M to $200M+ daily volume, and eliminated critical scaling bottlenecks across multiple companies. A pragmatic Clojureist who values readable, well-specified, and beautiful code, he pairs deep systems thinking with hands-on implementation in Clojure, Java, Postgres, Redis, and cloud platforms. Brian mentors engineers across levels, emphasizes data quality and testability, and has a history of founding products (Kanopi.io) and shipping practical tooling that reflects a long-standing interest in personal knowledge and reuse. Based in Missouri, he brings a rare combination of trading-domain expertise, distributed-systems experience, and a discipline against overengineered or inscrutable solutions.
13 years of coding experience
11 years of employment as a software developer
BCom Joint Honours in Economics and Finance, BCom Joint Honours in Economics and Finance at McGill University
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Brian Rubinton - Staff Software Engineer at Docker, Inc