Senior Backend Engineer (Go) · Paris
I build the backend behind hotel bookings and payments.
Five years in fintech and travel tech: payments, consumer lending and a hotel booking platform with over a million users a month. I own features end to end, from shaping the requirements and writing the technical design to the release. Based in Paris.
- Go
- PostgreSQL
- Kafka
- Kubernetes
- Kotlin
5 years
of backend work in fintech and travel tech
1M+
monthly users on the booking platform I build for
École 42 Paris
RNCP Level 7, Master's level
EN · FR
English fluent, French B2
Selected work
What I built, and what changed
Six cases from a hotel booking platform (2025 to now) and a payments company (2022 to 2025). Each one says what the problem was, what I did myself, and what was different after.
How I work
Three habits you will see in the cases
Every case above went through the same loop, and I owned all of it: shaping the requirements with the business, writing the technical design, splitting the work into a plan, building the backend and leading the feature to the user.
Small steps that ship
The booking module moved behind its contract in 14 merge requests. Each one left production working.
No manual fix twice
If an engineer edits the database by hand today, tomorrow it is an audited action in the admin panel.
Requirements from the people with the problem
Relocations and support exports were shaped with the support team before the first line of code. Partner fixes were agreed with the partners' teams directly.
Beyond work
Side projects, school and hackathons
Side projects
Sorta
Photograph what you own before a move. An LLM recognises each item and prices it; you decide what to sell, take, store or toss. One Go binary with the React PWA embedded via go:embed, PostgreSQL with sqlc. Built end to end in my spare time, MVP stage.
HOOK, Paris 2024
A one-month startup program by 42 Entrepreneurs in Paris. Built and pitched a B2C travel product.
École 42 Paris, 2019 to 2024
HTTP server in C++
An HTTP/1.1 server written from scratch: request parsing, routing and concurrent connections, no frameworks.
Raycasting 3D engine in C
A Wolfenstein-style engine written from scratch: raycasting, collision detection and the math behind it, by hand.
Hackathons
Junction 2020, 1st place
A tool against burnout in remote learning, built in React and TypeScript. First place at the campus edition of Junction 2020.
Junction 2021
A real-time water usage dashboard for an IoT sensor, built in React, to nudge people towards using less.
