Hector Dearman

• Worked cross-org, cross-stack on Seer, Sentry's LLM-powered features typescript, sql, python
• Rewrote sentry-options feature flag library to fix deadlocks and crashes, ~6m calls/s rust
• Ported 3× products Size Analysis, Build Distribution, Snapshots to Sentry k8s, kafka, terraform

• Member-run 24/7 community workshop in Cambridge, ~450 members, £230k gross dues, 6× contractors
• Led end-to-end scouting, heads of terms negotiation, and requirements planning to close a >£500k lease

• Employee #8, successful exit: acquired by Sentry
• Mobile devtools used by OpenAI, Amazon, Duolingo, Spotify, DoorDash, Square, Tinder, Stripe, Airbnb, RevenueCat and others

• 2nd joiner, grew team from 2 to 15 members and 0 to 400k LOC over 6 years
• Perfetto adopted by 25+ teams including Android, Chrome, DeepMind, Meta, Waymo, Google Search, Samsung, ARM, AMD, ByteDance, Jane Street, Pixel, ChromeOS, Fuchsia, Wear OS, Android Studio, TFLite, MediaPipe, Go, Dart, Nest, Postman, Envoy
• Co-authored a zero-copy, multiprocess, lock-free, shared memory tracing system kernel, c++, protobuf
• Led creation of https://ui.perfetto.dev (~35k mau) wasm, typescript, css, sql
• Designed and rolled out field tracing monitoring to ~1.5bn Android devices java, c++
• Ran Tracing Summit 2022 (3 days, 80+ attendees, 15+ speakers) and 9× 70–90 person codebar.io workshops
• Co-hosted 7 interns, onboarded 6 new joiners, conducted 20+ technical interviews
• Chrome — Implemented memory telemetry for >2.5bn mau Chrome users javascript, c++
• WebView — Sped up CI 3.5× 50→15 min, shipped new APIs in Android L java, c++, python

• Sentry Hackweek, Overall Best Project (2025) Gremlins — LLM-directed web fuzzing
• OpenUK: New Year’s Honours List (2024)
• Chromium Committership (2014)
• Speaker, Google Performance Summit (2019) Protozero — zero-copy protobuf serialisation, 700 attendees
• Sentry: 2× spot bonus
• Google: 12× spot bonus, 16× peer bonus, 2× kudos

Imperial College London

• First class honours (80.6%), Thesis: Exploring Optimisations for the Local Assembly phase of Finite Element Methods on GPUs
• 5× prizes: Morgan Stanley IT Prize, G Research (Academic Achievement), Credit Suisse Prize (Group Project), Departmental Prize for Excellence, Engineering Dean's List (2014)