Justin Greywolf
Senior Software Engineer at Starbucks
Renton, Washington, United States
Summary
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RockstarJustin Greywolf is a Senior Software Engineer with 11 years of experience turning ambiguous, complex systems into reliable, user-friendly products, currently driving engineering work at Starbucks from Renton, WA. He blends front-end expertise, test automation, and integrations—evidenced by notable contributions to the popular Mermaid diagramming project where he expanded rendering capabilities and added robust Cypress integration tests. Justin has a history of shipping plugins and cross-platform tooling (Office, Google, VSCode, Notion) that make diagramming accessible in real workflows, and he thrives on improving developer experience and test coverage. His background spans large enterprises and game/consumer platforms (Microsoft, 343 Industries, Premera), giving him a pragmatic approach to scalable, maintainable systems. Not obvious at first glance: he pairs product-focused engineering with a long track record of contractor and full-time roles, showing adaptability across domains and team sizes.
11 years of coding experience
17 years of employment as a software developer
English, Spanish
Stackoverflow
670reputation
56kreached
24answers
17questions
Github Skills (16)
typescript10
diagram10
javascript10
cypress10
typescripts10
typescript-types10
testing10
orchard-cms6
designer6
mermaid6
sharepoint6
swagger6
kendo-ui6
asp-net-core6
post6
Programming languages (6)
Github contributions (5)
mermaid-js/mermaid
Nov 2019 - Mar 2021
Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown
Role in this project:
Frontend & Test Automation Engineer
Frontend & Test Automation EngineerContributions:64 reviews, 73 commits, 50 PRs in 1 year 3 months
Contributions summary:Justin contributed to the Mermaid-js project by addressing typos in tests and adding new rendering tests, specifically for class diagrams and flowcharts. Their work involved modifying JavaScript files, including those for class diagram specifications and flowchart rendering, and creating new integration tests using Cypress. The contributions show focus on enhancing the testing coverage and quality of the diagrams. The user also worked on expanding the rendering capabilities of class diagrams, specifically the implementation of features, like generic class definitions, abstract methods, and the handling of comments and labels in diagrams.
diagramsflowchartssequencesequence-diagramssimilar
jgreywolf/windsong.VersionManager
Apr 2015 - Mar 2023
Contributions:11 pushes, 1 branch in 7 years 11 months
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