Florent Messa
Chief Technology Officer at Ulule
Paris, Ile-de-France
Summary
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RockstarFlorent Messa is a seasoned technology leader and CTO based in Paris with 17 years of hands-on experience building reliable backend systems and developer-facing tooling. As CTO at Ulule he combines strategic leadership with deep engineering skills, particularly in Go and Python/Django ecosystems. His open-source contributions — from a high-performance Go image resizing server to utility libraries and Django feature-flipping — show a pragmatic focus on robust APIs, type-safe utilities, and long-term maintainability. Comfortable implementing low-level request signing, storage handlers, and compatibility-focused refactors, he blends production-grade coding with product-minded architecture. Colleagues can expect a CTO who still commits code and prioritizes clean, tested solutions that scale.
17 years of coding experience
Github Skills (22)
json10
reflection10
python10
django10
testing10
http10
feature-flags10
compatibility10
go10
reflections10
mux9
apidoc9
api9
functional-programming9
refactoring9
Programming languages (7)
Github contributions (5)
thoas/go-funk
Dec 2016 - Dec 2022
A modern Go utility library which provides helpers (map, find, contains, filter, ...)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 releases, 4 reviews, 213 commits in 6 years
Contributions summary:Florent primarily contributed to the development of the go-funk library, focusing on enhancing its functionality. They added new methods like `Chunk`, `ForEach`, `Filter`, `Find`, `LastIndexOf`, `Uniq`, `Shuffle`, and `Reverse` to extend the library's capabilities. The commits demonstrate proficiency in Go and knowledge of reflection for building a utility library. The user also included typesafe implementations for several functions, improving the library's performance and type safety.
go
thoas/picfit
Dec 2014 - Jan 2023
An image resizing server written in Go
Role in this project:Back-end Developer
Back-end DeveloperContributions:19 releases, 6 reviews, 404 commits in 8 years 2 months
Contributions summary:Florent primarily contributed to the development of the image resizing server. Their work involved implementing handlers and extracting parameters from requests, particularly focusing on the HTTP endpoints. They also implemented features for storage and retrieval of images, and they added support for a JSON-based healthcheck endpoint, as well as code for signing and authorizing requests.
goimage-resizinggolangimageserver
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