John Sheehan
Owner at Trailbot
Saint Paul, Minnesota, United States
Summary
🤩
RockstarJohn Sheehan is a seasoned software founder and product leader with 16 years of experience building developer-facing products and APIs, currently running ROAM Bike Shop while founding Trailbot and managing operations at Crossover Ventures. He has deep hands-on engineering roots—contributing to notable open-source projects like Twilio's C# helper library, SubSonic, and httpbin—and has held senior roles at Runscope, IFTTT, and Twilio where he focused on developer experience and platform tooling. His background blends technical backend work (SMS, TwiML, data access robustness) with product leadership and company-building across the Bay Area and Minnesota. Comfortable shifting between code and strategy, he brings an unusual mix of entrepreneurial grit, long-term OSS stewardship, and real-world small-business ownership.
17 years of coding experience
15 years of employment as a software developer
Stackoverflow
77,774reputation
15.6mreached
627answers
33questions
silverlight
top-5%
sorting
top-5%
vbscript
top-5%
postgresql
top-5%
oauth
top-5%
debugging
top-1%
Github Skills (72)
python10
http10
authentication10
sms10
asp-net10
rest-api10
flask10
tml10
javascript10
rounding10
jquery10
flask-ask10
api10
rest10
sql10
Programming languages (13)
Github contributions (5)
postmanlabs/httpbin
Apr 2013 - Aug 2015
HTTP Request & Response Service, written in Python + Flask.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:32 commits, 10 PRs, 7 pushes in 2 years 4 months
Contributions summary:John primarily contributed to the back-end functionality of the httpbin service, focusing on endpoint enhancements and updates. They removed broken links, added new endpoints (XML and PATCH), and updated existing ones based on functional improvements. Furthermore, the user integrated third-party services, adding tracking scripts for analytics and sponsorship links. Minor updates included moving tracking scripts to a separate file and code cleanup and refactoring.
flaskpythonhttp-servertestingapi
twilio/twilio-csharp
Jul 2011 - Apr 2012
Twilio C#/.NET Helper Library for .NET6+.
Role in this project:Back-end Developer
Back-end DeveloperContributions:44 commits in 9 months
Contributions summary:John primarily contributed to the development of the Twilio C#/.NET Helper Library. Their work involved adding new features and fixing issues related to SMS messaging, Twilio Client capability tokens, and the Dial verb for the Twilio TwiML library. They also updated packaging and documentation, including making changes to the project structure and dependencies. Additionally, they refactored several areas of the code, including adding support for the `<Dial><Client>` twiml generation.
csharpdotnettwiliosmsvoice
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