Gabriel Hofman
Senior Mobile Software Engineer at Upstream (YC S23)
Paris, Ile-de-France
Summary
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Top SchoolGabriel Hofman is a Senior Mobile Software Engineer based in Paris with 11 years of experience building and shipping React Native apps for startups and large brands like Sephora, TheFork, Luko and Meetic. He excels at bootstrapping mobile products from scratch, setting tech stacks and CI/CD for rapid, high-quality delivery and has led cross-country app maintenance and monorepo migrations. Gabriel combines product-minded iterations (weekly releases at Gigi) with strong engineering practices such as automated testing, feature flags, A/B testing and performance optimization. He has hands-on experience integrating mobile with hardware (BLE) and connected devices, as well as delivering data-driven features like video feeds and analytics-driven retention work. Comfortable mentoring teams, he often standardizes design systems and shared business logic to scale multi-market apps. Fluent in TypeScript/React Native/Expo, he brings a pragmatic mix of startup velocity and enterprise-grade reliability.
11 years of coding experience
12 years of employment as a software developer
SUPINFO
French, English, Spanish
Stackoverflow
96reputation
8kreached
5answers
2questions
Github Skills (62)
goodies10
starter-kit10
react-native10
testing10
react-native-web10
android10
react-native-starter10
react10
test-automation10
javascript9
ios9
typescript9
animated9
expo9
automation9
Programming languages (4)
Github contributions (5)
tsyirvo/eslint-config-tsyirvo-react-native
Nov 2021 - Feb 2025
Custom ESLint config for my React Native projects
Contributions:118 PRs, 78 pushes, 94 branches in 3 years 3 months
reacteslintreact-nativejavascripteslint-config
tsyirvo/react-native-starter
Feb 2017 - Oct 2022
React Native starter configured with Expo and a custom Development Build. Already setup with a few goodies!
Contributions:9 releases, 331 commits, 417 PRs in 5 years 9 months
reactreact-nativereact-native-startertypescriptgoodies
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