Brian Sigafoos
Staff Software Engineer at Square
Washington DC-Baltimore Area United States
Summary
👤
Senior🎓
Top SchoolBrian Sigafoos is a customer-focused software engineer and two-time founder with 11 years of experience building product-driven systems and coaching high-performing teams. Currently at Square after growing through senior engineering roles at Valimail, he blends hands-on development with architecture and delivery leadership across fast-moving startups. His background as CEO of Playpass and co-founder of Duplays gives him practical product and business instincts that help translate customer needs into delightful, usable software. Trained in psychology and French at Harvard, he brings uncommon attention to user behavior and cross-cultural communication when shaping product experiences. A former professional basketball player, he applies the teamwork and resilience from sports to mentoring engineers and fostering continuous learning cultures. Known for the motto “win and help win,” he prioritizes collective success and scalable, maintainable outcomes.
11 years of coding experience
15 years of employment as a software developer
AB Psychology & French, AB Psychology & French at Harvard University
English, French, Arabic
Stackoverflow
503reputation
28kreached
5answers
1question
Github Skills (48)
apple-silicon10
net-library10
terraform10
terraform-provider10
password-policy10
aws10
serializer9
circleci-orb9
charts9
sql9
brian9
vscode9
html8
rails8
ruby8
Programming languages (8)
Github contributions (5)
BrianSigafoos/mandrill-api-ruby
Dec 2016 - Jun 2019
https://bitbucket.org/mailchimp/mandrill-api-ruby
Contributions:2 PRs, 1 push, 2 branches in 2 years 6 months
apirubybitbucketmailchimpmandrill
BrianSigafoos/hugo_site
Aug 2019 - Jul 2026
Hugo static site builder → briansigafoos.github.io → briansigafoos.com
Contributions:245 PRs, 284 pushes, 261 branches in 7 years
site-builderhugostatic-sitehugo-sitebuilder
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