Zach Cox
Principal Staff Engineer at Jack Henry & Associates
Draper, Utah, United States
Summary
👤
Senior🎓
Top SchoolZach Cox is a Principal Staff Engineer and longtime builder of event-driven, distributed web services with over 16 years of professional experience and 20+ years working with technology. Based in Draper, Utah, he leads teams shipping secure, LLM-enhanced features for digital banking (Banno Conversations) and designs streaming data platforms that turn operational data into actionable products. A founder of multiple startups—ranging from computer-vision marketing at Pongr to autonomous agricultural vehicles—he combines product-focused engineering with hands-on systems design. He codes primarily in functional Scala and has produced production-grade integrations across Kafka, Docker/Kubernetes, Postgres, Redis, RocksDB and Lucene. An active open-source contributor, he added fine-grained Prometheus client metrics and phase tracking to the popular http4s Scala HTTP library and contributed tooling and REPL improvements to gremlin-scala. He’s known for translating research-grade AI into reliable commercial software and for pairing deep technical breadth with practical, measurable business impact.
16 years of coding experience
17 years of employment as a software developer
MS Electrical Engineering, MS Electrical Engineering at Iowa State University
Github Skills (10)
unit-testing10
cat10
functional-programming10
prometheus10
http4s10
scala10
fs8
http8
rep8
repr8
Programming languages (9)
Github contributions (5)
tinkerpop/gremlin
Oct 2011 - Feb 2012
A Graph Traversal Language (no longer active - see Apache TinkerPop)
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:34 commits in 4 months
Contributions summary:Zach contributed to the development and testing of the gremlin-scala library, focusing on wrapping and extending the Gremlin fluent pipeline. Their work included writing unit tests for the ScalaGraph, ScalaVertex, and ScalaEdge wrappers to ensure proper functionality and implicit conversions. They also contributed to the initial implementation of a gremlin-scala REPL (Read-Eval-Print-Loop) to improve the development experience.
graph-traversaltinkerpop
http4s/http4s
Jul 2018 - Jul 2018
A minimal, idiomatic Scala interface for HTTP
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 commits, 7 comments in 5 days
Contributions summary:Zach contributed to the implementation of Prometheus client metrics within the http4s library. Their primary focus was on instrumenting the client with metrics related to request duration, active request counts, and error tracking. The user introduced a system for tracking different phases of request handling to provide more granular performance insights, and refactored the code to use `cats.effect.Timer`. The work included changes to the build configuration and the introduction of a destination attribute feature.
scalahttp-serverhttp-clientfs2typelevel
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