Dan Farrelly
CTO Co-founder at Inngest
Detroit, Michigan, United States
Summary
🤩
Rockstar🎓
Top SchoolDan Farrelly is a seasoned engineering leader and founder with 13 years building developer-focused platforms and product teams, currently serving as CTO and co‑founder of Inngest, a workflow orchestration platform. He scaled and led Buffer’s engineering and data org through rapid ARR growth, shipping major product expansions while driving the shift to Kubernetes and modern infrastructure. Equally hands‑on, Dan contributes to open source—creating MailDev and improving Inngest’s backend and deployment tooling—demonstrating deep expertise in backend, devops, and full‑stack UX. Based in Detroit, he pairs startup grit with engineering rigor, and his early background in civil engineering and project management gives him a systems-oriented perspective that informs reliable, scalable platform design.
13 years of coding experience
13 years of employment as a software developer
BSCE Civil Engineering, BSCE Civil Engineering at University of Delaware
English
Stackoverflow
390reputation
40kreached
13answers
0questions
Github Skills (23)
javascript10
docker10
css10
responsive-design10
workflow-engine10
dockers10
go10
workflow-automation10
front-end-development10
serverless10
argo-workflows10
sass9
angularjs9
nodejs9
cli9
Programming languages (15)
Github contributions (5)
maildev/maildev
Mar 2013 - Aug 2022
:mailbox: SMTP Server + Web Interface for viewing and testing emails during development.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:23 releases, 12 reviews, 386 commits in 9 years 5 months
Contributions summary:Dan primarily focused on enhancing the front-end interface of the MailDev application. They added the Open Sans font and related styling, fixed the CSS minification task, updated the package.json and added a favicon. Furthermore, the user implemented features for responsive email testing, including device width adjustments, and added the functionality to display email headers and view plain text emails. They also introduced features related to email deletion and navigation.
smtpmailnodemailerweb-interfaceweb-server
inngest/inngest
Jan 2022 - Jan 2023
The leading workflow orchestration platform. Run stateful step functions and AI workflows on serverless, servers, or the edge.
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:428 reviews, 65 commits, 266 PRs in 11 months
Contributions summary:Dan primarily focused on improving the Inngest platform by implementing and refining backend functionalities, particularly related to actions and deployment. They implemented changes to action validation and deployment processes, including the use of domains. They also addressed image architecture and prevented non-compliant images during pushes, alongside adding support for scopes in actions. Further, they were also involved in enhancing the dev server.
queuesserverlessaws-lambdaevent-drivenaws
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