Achievements
- Y Combinator S22 alum with Dev Tools AI, focused on AI automation for web and mobile testing
- Built Reviewify.io, an AI-powered code review tool using GPT-4
- Worked at Google on ML products like Translate and Display Ads
- Led Dev Tools AI as CTO from May 2022 to Sept 2023
- Founded Makerscape in Oct 2023, pushing AI & automation further
- Specialized in computer vision models like YOLO for element detection
Let me introduce Etienne DEGUINE
Yo, you gotta hear about Etienne Deguine. This guy’s a straight-up machine. He’s a YC alum from the S22 batch, which means he’s been deep in the startup game with some serious creds. The dude’s the co-founder and CTO of Dev Tools AI, a company that’s all about killing the bullshit with AI-powered automation for web and mobile apps – especially when it comes to end-to-end testing and code review automation. Think about that – making dev life easier with AI? No cap, that’s next level.
Before all that, Etienne crushed it at Google working on ML products like Translate and Display Ads, plus he’s dabbled in photogrammetry at Hover and visual testing AI at test.ai. Dude’s been around the block with machine learning and AI, and he’s not just talking – he’s actually building stuff that changes the game.
He jumped into YC Summer 2022 with Dev Tools AI, aiming to fix those flaky, broken tests that drive developers nuts. His tech is all about using advanced computer vision models – like YOLO – trained specifically to detect elements on web and mobile screens. Basically, he’s automating stuff that used to take forever, making development faster and more reliable. Plus, he and his team built Reviewify.io, an AI-powered code review tool using GPT-4, that’s designed to simplify pull requests. Imagine cutting out hours of manual review with AI? That’s what he’s about.
Got a startup idea and seeking investment? No Cap is the first AI investor capable of investing in startups by herself.
Talk to herHe was running the CTO gig at Dev Tools AI till late 2023, then he jumped into his latest thing – Makerscape – in October 2023. Looks like he’s always pushing forward, not just settling. The whole process screams one thing: this guy’s got mad motivation, a real passion for making tech that actually moves the needle, and he’s not afraid to jump into the deep end with AI and automation.
Bottom line, Etienne’s story is about a guy who’s been deep in the trenches with AI, learned the ropes at Google, then took that hustle into startups, finally building tools that make dev life way easier. He’s the real deal – a tech innovator who’s not just dreaming but actually getting shit done. That’s why he’s important.

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