Jérôme Grossé

Senior Full Stack Engineer at Preply

Madrid, Community of Madrid, Spain
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Summary

👤
Senior
🎓
Top School
Jérôme Grossé is a Senior Full Stack Engineer based in Madrid with 10 years of experience building scalable marketplace and events platforms using Python/Django, PHP, and Go, alongside React/Redux frontends. He has driven performance and scalability improvements—such as a 300% chat performance boost—and led migrations to cloud platforms (AWS and Google Cloud/Kubernetes) while improving developer tooling and deployment flows. Comfortable both in hands-on engineering and client-facing integration work, he has implemented OCR pipelines, database-level encryption strategies, and complex authentication features. Jérôme also contributes to open-source UI work for popular projects like react-native-gifted-chat, adding nuanced messaging features (read/delivered ticks and timestamp behaviors). His background in computer engineering from Universidad Carlos III de Madrid combines with a track record of extracting and modernizing legacy flows to make systems easier to develop and operate.
code10 years of coding experience
job9 years of employment as a software developer
bookCharles III University of Madrid (Universidad Carlos III de Madrid)
bookClasse préparatoire aux grandes écoles - MPSI/MP, Classe préparatoire aux grandes écoles - MPSI/MP, Classe préparatoire aux grandes écoles - MPSI/MP, Classe préparatoire aux grandes écoles - MPSI/MP at Lycée Jacques Amyot - Melun
bookHigh School, High School at Lycée Pierre de Coubertin - Meaux
languagesFrench, English, Japanese, Spanish
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Stackoverflow

Stats
13reputation
51reached
0answers
1question
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Github Skills (10)

component-development10
uid10
chat10
javascript10
react-native10
front-end-development10
ui-design10
react9
mobile-development8
aerospike6

Programming languages (9)

TypeScriptJavaC++CoffeeScriptJavaScriptGoObjective-CPython

Github contributions (5)

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💬 The most complete chat UI for React Native
Role in this project:
userFront-end Developer
Contributions:9 commits, 4 PRs, 15 comments in 6 months
Contributions summary:Jérôme primarily contributed to the UI of the React Native chat application. Their work focused on adding and modifying the display of message features, specifically implementing read/delivered ticks. They also enhanced the UI by introducing the capability to override the behavior of the tick rendering and exposing a component. Furthermore, they updated examples and adjusted the display behavior of timestamps and ticks.
react-nativechat-uichatreact
jeromegrosse/MGS1

Aug 2017 - Jun 2021

Contributions:3 pushes, 2 branches in 3 years 10 months
pythonconvert-files
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Jérôme Grossé - Senior Full Stack Engineer at Preply