# Gabriel Spencer-Harper

> Gabriel Spencer-Harper is the British software engineer, entrepreneur, and co-founder and CEO of Meticulous, a developer-tools company that automatically generates and maintains frontend tests from real user flows. After studying Computer Science and Chinese at the University of Warwick, attempting an earlier startup, and working in engineering at Dropbox and Opendoor, he returned to a problem he had watched teams repeatedly endure: software that passed its tests and still broke in users' hands. Meticulous joined Y Combinator's S21 batch, raised a $4 million seed round, and announced a $15 million Series A in July 2026.

- **Role:** Co-founder and CEO at Meticulous
- **Organizations:** Meticulous, Dropbox, Opendoor, Moju, Y Combinator, University of Warwick
- **Nationality:** British
- **Education:** Computer Science and Chinese, University of Warwick
- **Known for:** Co-founded Meticulous, an automated frontend-testing company in Y Combinator's S21 batch., Raised a $4 million seed round backed by Coatue, Soma Capital, Base Case Capital, and Y Combinator., Named to the 2025 Forbes 30 Under 30 Europe Technology list.

## Career timeline

- **2016** — After his final university exam, began building Moju, an Instagram-influencer search product co-founded with his brother Milo.
- **2016** — Reached the final interview round for Y Combinator with Moju but was not selected.
- **Before 2021** — Worked as a software engineer at Dropbox and Opendoor.
- **2021** — Co-founded Meticulous and joined Y Combinator's Summer 2021 batch.
- **2022** — Appointed a director of Meticulous AI Limited on June 16.
- **2024** — Announced Meticulous's $4 million seed round and published the company's founding story.
- **2025** — Named to Forbes 30 Under 30 Europe in Technology.
- **2026** — Meticulous announced a $15 million Series A led by Chemistry, with Menlo Ventures participating.

## Achievements

- Co-founded Meticulous, an automated frontend-testing company in Y Combinator's S21 batch.
- Raised a $4 million seed round backed by Coatue, Soma Capital, Base Case Capital, and Y Combinator.
- Named to the 2025 Forbes 30 Under 30 Europe Technology list.
- Announced a $15 million Series A in July 2026 led by Chemistry with participation from Menlo Ventures.
- Built a customer roster publicly reported to include Notion, Dropbox, Wiz, ElevenLabs, Discord, LaunchDarkly, CoreWeave, and Wealthsimple.

## Latest updates

- **2026-07** — Meticulous announced a $15 million Series A led by Chemistry with participation from Menlo Ventures and developer-tools industry angels.
- **2026-07** — Current coverage described Meticulous as serving engineering teams including Notion, Dropbox, Wiz, and ElevenLabs.
- **2026-06** — Spoke at AI Engineer World's Fair on redesigning how software gets built.
- **2026-08** — Public hiring materials showed Meticulous recruiting go-to-market, customer success, and forward-deployed engineering roles across London and San Francisco.

## Links

- Website: https://meticulous.ai
- LinkedIn: https://www.linkedin.com/in/gabrielsharper
- Twitter/X: https://twitter.com/meticulousgabe

---

Profile page: https://yespress.io/gabriel-spencer-harper
Published by YesPress — https://yespress.io
Last updated: 2026-08-25