John Madson
Software Engineer III at Chewy
Boston, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolJohn Madson is a seasoned software engineering manager with 11 years of experience building scalable web applications and RESTful APIs across JavaScript, Python, Java, Groovy, and PHP stacks. Currently leading engineering at Chewy after progressing from senior developer roles, he combines hands-on full‑stack implementation with architecture and team development. He’s a pragmatic advocate of clean code, testability, and Lean Startup iteration, having driven server-side rendering, performance rewrites, and framework migrations in multiple startups and e‑commerce teams. Known for mentoring juniors and improving operational reliability, he has a track record of identifying architectural bottlenecks and converting legacy systems into maintainable, performant platforms. Based in Boston with a B.S. in Software Engineering, he still enjoys contributing across the stack—from Redis-backed APIs to React and Ember frontends.
10 years of coding experience
12 years of employment as a software developer
B.S., Software Engineering, B.S., Software Engineering at Johnson & Wales University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (77)
postgresql10
material-ui10
javascript10
react-components10
mui10
orm-library10
database10
sqlite10
cockroachdb10
mysql10
typescript10
prisma10
sql-server10
unit-of-work10
nodejs10
Programming languages (3)
Github contributions (5)
Rediker-Software/redux-data-service
Jun 2018 - Feb 2019
Connect seamlessly to any API using first class Models, customizable serialization, validation, dependency injection and TypeScript type-safety
Contributions:18 commits, 47 PRs, 132 pushes in 7 months
apitype-safetyvalidationinjectionserialization
Rediker-Software/redux-data-service-react
Jul 2018 - Apr 2019
A set of React components/HOCs to integrate `redux-data-service` with your React project
Contributions:12 commits, 16 PRs, 72 pushes in 9 months
hocsreactreact-projectreduxdata-service
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