Trystan Spangler
Senior Software Engineer at Protos Security
Sacramento, California, United States
Summary
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SeniorTrystan Spangler is a Senior Software Engineer with 15 years of experience building and leading backend systems, currently driving engineering at Protos Security from Sacramento. He has deep practical experience across C#, .NET Core, Node.js/TypeScript and Scala, having architected CQRS/DDD microservices, containerized workloads on Kubernetes, and authored CI/CD pipelines for safe, fast deployments. He’s shipped high-throughput systems—from email platforms processing hundreds of millions of messages to analytics pipelines handling 700k events/day—and improved operational efficiency with automation and tooling. An active contributor to Haskell’s hspec testing framework, he brings a QA-minded approach to robustness and test automation that often uncovers subtle documentation and formatting issues. Known for mentoring peers and bridging product, DevOps, and engineering, he turns developer frustration into delightful, reliable solutions.
15 years of coding experience
17 years of employment as a software developer
Github Skills (4)
quickcheck10
haskell10
test-automation10
testing10
Programming languages (5)
Github contributions (5)
hspec/hspec
Feb 2011 - Apr 2012
A Testing Framework for Haskell
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:109 commits in 1 year 2 months
Contributions summary:Trystan's commits primarily focus on improving the testing framework and its examples. These changes include refactoring existing specs, adding new tests, and enhancing the Hspec testing framework with QuickCheck and HUnit verifiers. The user also fixed issues related to documentation and output formatting within the testing framework.
smallchecktesting-frameworktestinghaskellquickcheck
trystan/latestart7DRL
Mar 2011 - Mar 2011
Contributions:55 commits in 9 days
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