Samuel Desbos

React – Typescript – Module Federation – Next – React Query – Zustand – Radix UI – Jest – Testing Library – React Hook Form – Zod

Front-end Development

March 2025 - June 2025

Temporary reinforcement of the “Feature Team Orders” on the Royal Canin E-commerce site.

Tech context: core in Next 13 + micro frontends with “module federation”, architecture allowing gradual transition from “legacy” to a new API.

Partially English-speaking environment.

Team of 19 people: 6 front-end, 5 back-end, 4 QA, 1 scrum master, 1 PO, 2 UI/UX.

SAFe agile methodology.

- React / Typescript development on micro frontends

- Addition of Jest / Testing-library tests

- Management of 2 modes (legacy and redesign)

- Management of analytics events

- Multilingual with React i18next / Phrase

- Product management with Commerce Tools

- Bugfixes

React – Typescript – Material UI – Jotai – React I18next – Vite – Vitest – Testing Library – Storybook

Front-end Development

June 2023 - July 2024

Redesign and merging of internal software for document management, distribution, and acknowledgment for agents.

Team of 11 people: 1 front-end, 4 full-stack, 2 back-end, 1 scrum master, 2 PO, 1 UI/UX.

Agile scrum then kanban methodology.

- Lead front-end part

- React / Typescript / Material UI / Jotai development

- Addition of Vitest / Testing-library / Cypress tests

- Creation of NPM libraries on the internal “repository” to share code with other projects: an authentication class and a “design system” based on MUI with a storybook.

React – Typescript – Material UI – Redux Toolkit – React Intl – Vite – Vitest – Testing Library

Front-end Development

December 2022 - May 2023

Assistance request service for people with disabilities or reduced mobility, application integrated into the Sncf Gares et Connexions website (+ Salesforce equivalent managed by call center agents). Goal: launch the project for the Paralympic Games.

Team of 12 people: 1 lead full-stack, 1 front-end, 2 full-stack, 1 back-end, 2 Salesforces, 1 scrum master, 2 PO, 1 UI/UX, 1 accessibility expert.

Agile scrum methodology.

Context: I joined shortly after the project began to establish/consolidate the foundations of the front-end part of the project. I was temporarily "seconded" until a first version of the assistance request form was completed.

- Lead front-end part

- React / Typescript / Material UI / Redux Toolkit development

- Management of multilingual content with React Intl

- Addition of Vitest / Testing-library tests

- Strong accessibility constraints

React – Typescript – Material UI – Chakra UI – Vite – Vitest – Testing Library

Front-end Development

July 2022 - December 2022 then occasional interventions

Redesign of a centralized platform that allows SNCF agents to access various administrative and operational functionalities based on their roles and authorizations.

Team of 6 people: 2 front-end, 2 full-stack, 1 scrum master, 1 PO

Agile scrum methodology

Context: Setting up the project foundations, mentoring an intermediate front-end developer until they were autonomous on the front-end part of the project.

- Lead front-end part

- React / Typescript / Material UI / ancillary project in Chakra UI development

- Addition of Vitest / Testing-library tests

- Mentoring an intermediate front-end developer

React – Leaflet – Typescript – Material UI – Recoil – Vite – Vitest – Testing Library

Front-end Development

September 2021 - July 2022 then occasional interventions

Map-based application for train drivers, allowing them to report and visualize threats on the route.

Team of 8 people: 2 front-end, 3 full-stack, 1 scrum master, 2 PO

Agile scrum methodology

Context: I joined after a POC, for the project's start with a new team and its development until its production launch in the summer of 2022, followed by some occasional maintenance.

- Lead front-end part

- React / Typescript / Leaflet / Material UI development

- Addition of Vitest / testing-library tests

- Mentoring an intermediate front-end developer

- Bugfixes

- Library version upgrades

Industrial applications portal in the luxury sector.

Team of 11 people: 4 front-end, 3 back-end, 1 project manager, 1 architect, 1 data specialist, 1 R&D developer

V-Cycle

Context: I joined the project as reinforcement: 2 out of 4 applications had been completed, I helped finish them and then got involved in creating the other 2.

- React / Typescript / Mobx / Scss development

- Took charge of architecture for one of the applications

- Creation of reusable components / refactoring

- Bugfixes

- Addition of jest / testing-library tests

- Addition of a storybook styleguide