Declan Goncalves
Founding Engineer at Stellar Sleep
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolDeclan Goncalves is a founding engineer and YC alum with a decade of experience building product-led startups and AI-driven health tools, currently shaping a CBT-I digital health platform at Stellar Sleep. He has repeatedly operated at the intersection of product, engineering, and go-to-market—scaling Hyperbeam from zero to 300K MAU, reducing clinical documentation time by 50% with an AI scribe, and growing two indie AI iOS apps to meaningful revenue. His background spans early-stage founding to scaling engineering roles at companies like Lyft and Meta, plus an MSc in Applied Neuroscience that informs his work in behavioral health. Comfortable shipping full-stack systems and leading cross-functional teams, he pairs entrepreneurial grit with hands-on ML and product execution. Notably, he transitioned from building consumer multiplayer and creative AI apps to focused clinical impact, reflecting a deliberate shift toward measurable health outcomes.
10 years of coding experience
1 year of employment as a software developer
Winter 2022 Batch, Winter 2022 Batch at Y CombinatorMaster of Science - MSc Applied Neuroscience, Master of Science - MSc Applied Neuroscience at King's College LondonBachelor of Software Engineering | Option in Entrepreneurship - BSE, Bachelor of Software Engineering | Option in Entrepreneurship - BSE at University of Waterloo
Github Skills (6)
api7
api-documentation6
javascript4
threejs4
webgl3
cannonjs2
Programming languages (2)
Github contributions (5)
declan1397/neurogate-website
Feb 2017 - Jan 2019
Contributions:56 commits, 2 PRs, 46 pushes in 1 year 11 months
declan1397/Arrow-AI
Oct 2016 - Oct 2016
Contributions:27 commits, 24 pushes, 1 branch in 1 day
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