TJ Koblentz
Principal, Software Development Engineer at Workday
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolTJ Koblentz is a Principal Software Development Engineer with 14 years of experience building developer-focused APIs and workflow platforms from startup to acquisition. As co-founder of Pipedream—now part of Workday—he led backend and API engineering that power rapid integrations across services like GitHub, Stripe, and Airtable. He combines hands-on coding with product leadership, having scaled Pipedream from early prototype to an acquisition while previously helping launch interviewing.io and contributing at BrightRoll/Yahoo. Based in San Francisco, TJ excels at simplifying complex data flows and creating extensible integration components that accelerate developer productivity. Beyond leadership, he still ships code regularly, with open-source contributions improving integrations, RSS processing, and webhook functionality in popular projects. Colleagues describe him as a pragmatic engineer-founder who pairs startup grit with systems-level thinking.
14 years of coding experience
15 years of employment as a software developer
BS Computer Science Major, BS Computer Science Major at UC Santa BarbaraHigh School Diploma Math Physics Chemistry English Computer Science History French Spanish, High School Diploma Math Physics Chemistry English Computer Science History French Spanish at San Francisco University High School
French, English
Stackoverflow
6,938reputation
362kreached
34answers
2questions
ruby-on-rails
top-1%
Github Skills (25)
integrate10
integrator10
github10
workflow-engine10
integrations10
automation10
api10
nodejs10
automations10
ruby-on-rails10
rss9
go9
stripe8
airtable8
typescript7
Programming languages (10)
Github contributions (5)
PipedreamHQ/pipedream
Mar 2020 - Jun 2022
Connect APIs, remarkably fast. Free for developers.
Role in this project:
Back-end & API Developer
Back-end & API DeveloperContributions:129 reviews, 31 commits, 9 PRs in 2 years 3 months
Contributions summary:TJ contributed to several components within the Pipedream project, particularly focused on API integrations and workflow automation. Their work included implementing and modifying components for various integrations, such as GitHub, Airtable, Stripe, and Yahoo Fantasy Sports. The user refactored existing code, addressed syntax errors, and improved data handling within these integrations, demonstrating a strong understanding of API interactions and data flow. They also focused on optimizing existing features such as RSS feed processing and added new functionalities, like creating webhooks.
pythonserverlesseventsourcingcliintegration-flow
tjk/esbuild
May 2020 - Apr 2024
An extremely fast JavaScript bundler and minifier
Contributions:17 pushes, 9 branches, 3 tags in 3 years 11 months
minifierjavascriptbundlerjavascript-bundler
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