Stephen Mizell
Platform Product Manager
Murray, Kentucky, United States
Summary
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Rockstar🎓
Top SchoolStephen Mizell is a Platform Product Manager with 14 years of experience designing and shipping API-first products and developer tooling. He blends hands-on engineering and product leadership—from architecting cloud APIs at Autodesk to directing API design experience at SmartBear and now leading platform work at AnyRoad. As an independent API consultant he continues to improve API quality and governance, contributing technical fixes and validation rules to notable open-source tooling like Optic to prevent breaking changes and strengthen OpenAPI schemas. His background spans enterprise product ownership, team leadership, and early-career web and systems administration, giving him a practical lens on developer experience and operational reliability. Based in Murray, Kentucky, he brings a mix of strategic product thinking and deep API engineering craft that helps teams move safely from design to production.
14 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Telecommunications Systems Management, Bachelor's degree, Telecommunications Systems Management at Murray State University
Stackoverflow
1reputation
0reached
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Github Skills (12)
linter10
json-api10
lint10
openapi10
api-design10
testing9
javascript9
schema-validation8
typescripts8
typescript8
api-documentation8
typescript-types8
Programming languages (16)
Github contributions (5)
opticdev/optic
Apr 2021 - Mar 2022
OpenAPI linting, diffing and testing. Optic helps prevent breaking changes, publish accurate documentation and improve the design of your APIs.
Role in this project:
Back-end Developer & API Developer
Back-end Developer & API DeveloperContributions:6 reviews, 169 commits, 27 PRs in 10 months
Contributions summary:Stephen focused on enhancing the API's functionality and improving its quality. Their work involved adding rules to validate operation IDs, tags, summaries, and parameter names. They also implemented rules to prevent the removal or unwanted modification of properties, and to ensure correct response header usage and schema validation, specifically for JSON:API responses. These changes aimed to improve API design, documentation, and prevent breaking changes.
changesapiredocopticfollow
smizell/hyperschema.org
May 2014 - Dec 2018
Hyperschema.org Site
Contributions:27 commits, 3 PRs, 3 pushes in 4 years 8 months
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