Sean Reimer
Founder at Spellbook Finance
Los Angeles Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolSean Reimer is a seasoned software leader and founder with over a decade of experience building and scaling cloud-native products and teams, most recently managing the CloudFormation Console team at AWS. He combines hands-on expertise in Node.js, serverless architectures, DynamoDB, React, and IaC with a track record of shrinking delivery time by 80% and saving hundreds of developer days per year. Sean has scaled engineering teams 3x in both FAANG and startup settings, led cross-org initiatives involving classified integration constraints, and delivered large rewrites ahead of schedule while managing multi-million dollar budgets. He mentors and hires with a focus on developer growth, applying Event-Driven Architecture, Domain-Driven Design, and microservices to create reliable, maintainable systems. Based in Los Angeles, he recently founded Barqco to continue shipping pragmatic cloud solutions informed by both product and operations experience. An early career blend of finance and analytics gives him a practical, metrics-driven approach to engineering tradeoffs.
11 years of coding experience
9 years of employment as a software developer
Economics-Accounting and Philosophy with a sequence in Finance, Economics-Accounting and Philosophy with a sequence in Finance at Claremont McKenna CollegeAdvanced Software Engineering Immersive Program, Advanced Software Engineering Immersive Program at Hack ReactorYonsei University School of Business
English, Spanish
Github Skills (93)
trend10
nodejs10
react10
javascript9
jwt9
authentication9
auth9
css9
oauth9
vscode-extension9
typescript9
vscode9
browser8
csrf8
frontend8
Programming languages (4)
Github contributions (5)
sreimer15/ChromeTabScheduler
Mar 2016 - Jun 2026
Contributions:8 PRs, 28 pushes, 5 branches in 10 years 4 months
chromeclosescheduletabschrome-extension
sreimer15/RoadMapToAnything
Jan 2016 - Feb 2016
Contributions:40 pushes, 14 branches in 1 month
roadroad-mapmapgoal
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