Ella Duffy
Senior Software Engineer at Stepful
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolElla Duffy is a Senior Software Engineer based in New York with a decade of experience building user-focused web and frontend systems across startups and scaleups. She has progressed from co-founding a full-stack startup to senior and leadership roles at Drift, Heap, HubSpot, Clarify, and now Stepful, demonstrating strength in shipping product-facing features and leading small engineering teams. Her background blends hands-on frontend expertise with full-stack intuition and people management—she’s moved between IC and manager roles, signaling a pragmatic, delivery-oriented leadership style. Comfortable in fast-paced, product-driven environments, she repeatedly helps teams connect technical work to user value. An early career stint building web experiences for Sennheiser and a history of co-op roles reveal a long-standing pattern of learning on the job and scaling responsibility quickly.
10 years of coding experience
12 years of employment as a software developer
Old Saybrook High SchoolBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Northeastern University
Github Skills (47)
hashtag10
mention10
timezone9
autocomplete8
react-component8
ellipsis8
editors8
tagging8
momentjs7
timestamp7
react7
tinymce6
dates6
quill6
datetime6
Programming languages (2)
Github contributions (5)
l-tn3314/UFree
Jan 2016 - Sep 2016
Contributions:43 commits, 36 PRs, 44 pushes in 8 months
android-appkotlinandroid
trentolol/realtalk
Mar 2016 - Apr 2016
Contributions:12 PRs, 20 pushes, 2 branches in 1 month
javascriptcollege-students
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