Freelancer profile translated to English.
Back to original languageAbout Romain
Looking for a Go / React developer?
You're in the right place.
I have been working as a software engineer for over 5 years.
I have collaborated with companies such as L'Oréal, Orange, and La Bellevilloise.
I have also taught Golang, React, TypeScript, and Node.js in computer science schools (IPSSI, EFREI, ...).
I also hold the following certifications:
- Kubernetes CKAD,
- Azure AZ-900.
I can assist you with:
- Scoping business needs
- Collaborating with project managers, architects, and clients
- Designing and proposing solutions that meet functional requirements
- Consultant posture: being proactive and bringing new ideas
- Backend migration
- Frontend redesign
- API development
- Back-end / Front-end development: Golang, React
- Setting up CI/CD with GitLab
- Setting up unit and integration tests
- Writing technical documentation
- Website redesign or migration.
Transparency is also very important in my relationship with my clients:
I send a daily report to keep you informed of the tasks accomplished.
Shall we discuss your project?
Contact me, I respond in less than 1 hour.
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front-end React.js, front end React js, frontend Reactjs, backend, back-end, back end, Next js, nextjs, next.js, software engineer, golang developer, react node developer, react typescript developer.
French
Native or bilingual
English
Fluent
Japanese
Conversational
Can work on-site
Paris (up to 10km), Bordeaux (up to 10km), Marseille (up to 10km), Lyon (up to 10km), Strasbourg (up to 10km)
Experience
- Orange SAFullstack DeveloperTELECOMMUNICATIONSAugust 2024 - September 2025 (1 year and 1 month)Paris, FranceThis mission was carried out as a consultant for the Saegus firm (+2 years).Orange is a French telecommunications company. In 2024, it had 291 million customers worldwide. It is present in 26 countries.I joined the technical team to create DAD - Digital Auto Diagnostic, a multilingual self-assessment application, allowing Orange employees to evaluate themselves on a number of topics set up by administrators.I carried out the following tasks:- Backend development in Go,- Frontend development in React:- Back-office: dedicated interface to create/modify questionnaires, manage users, and control content,- Front-office: self-assessment interface allowing users to rate themselves (1 to 5) for each question based on their knowledge.- Personalized dashboard: display of scores and statistics per individual or globally.- Recommendations are provided based on the results.Technical Context:- Golang Back-end,- Front-office and back-office in React,- Authentication: SSO (Azure AD) to manage authorizations,- Deployment on Azure,- Terraform,- Gitlab-ci,- Translation (i18n),- Postgres database.--front-end React.js, front end React js, frontend Reactjs, backend, back-end, back end, Next js, nextjs, next.js, software engineer, golang developer, react node developer, react typescript developer, terraform
- L'Oréal SA - L'Oréal FranceFullstack DeveloperFASHION AND COSMETICSApril 2023 - August 2024 (1 year and 4 months)Saint-Ouen, FranceThis mission was carried out as a consultant for the Saegus firm (+2 years).L'Oréal is the world leader in cosmetics, generated over 41 billion euros in 2023 and employs over 90,000 people worldwide.It also involves hundreds of new formulas/patents to file each year and tens of thousands to test. For each formula, it is necessary to:- test it in the laboratory.- retrieve the data.- create associated templates (administrator).- have an interface for the business to enter data (user).- have a system for inserting CSV batch studies (+1000) and error reports.- save this data in the DB.- have a formatting system to expose this data within the intranet (Data section).- export reports according to specified templates (Word)I therefore joined 2 developers to develop and maintain this application for the Safety - Copilot department:- Study management application - toxicology.- Frontend: React- Backend: NestJs/MongoDb.- Infrastructure: Azure, Jenkins, Azure DevOps,- Understanding business needs and managing priorities in Agile,- UI for creating templates and studies with a list of elements managed by the user - drag & drop,- management of CSV and Word files,- reducing loading time for certain pages,- Usable within L'Oréal's secure intranet.--front-end React.js, front end React js, frontend Reactjs, backend, back-end, back end, nextjs, next.js, software engineer, react node developer, react typescript developer, nestjs
- La BellevilloiseFullstack DeveloperHUMAN RESOURCESMarch 2022 - April 2023 (1 year and 1 month)Paris, FranceFounded in 1877 in the aftermath of the Commune, La Bellevilloise, the first Parisian cooperative.La Bellevilloise dedicates its 2,000 m² to entrepreneurs: seminars, team building, conferences, meetings, congresses, colloquiums...I joined La Bellevilloise to create an application for automating the management of daily payslips for the HR department. Having too many documents to process, a way had to be found to fill them automatically by batch based on various parameters (date, person, status, etc.).To carry out this project, I used:- Frontend: React to transmit documents,- Secure Golang API (JWT Auth, Mongodb) to receive them,- Python Containers/Workers to process PDFs (data extraction/OCR with Tesseract & OpenCV + auto-filling),- Job queues with Redis,- Notifications and Progress Bar with Socket.io,- Nginx: reverse proxy,- Docker to manage containers,- Configuration of a Linux server---front-end React.js, front end React js, frontend Reactjs, backend, back-end, back end, Next js, nextjs, next.js, software engineer, golang developer, react node developer, react typescript developer.
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Education
- Fullstack Web Developer Bachelor's DegreeIronhack2021Formation intensive de développement web sur le stack MERN. Compétences Front -End : JS ES6, Typescript, HTML, CSS, REACT Compétences Back-End : Express, Node JS, Mongo DB, AXIOS Versioning : Git/Github Titre RNCP Niveau 6 (équivalent Bac +3/4) -- front-end React.js, front end React js, frontend Reactjs, backend, back-end, back end, Next js, nextjs, next.js, ingénieur logiciel, developpeur react node, developpeur react typescript.
- DESTS, Higher Institute of Sound Techniques, Studio sound, live, audiovisual Bachelor's DegreeESRA2010DESTS, Institut Supérieur des Techniques du Son, Son studio, live, audiovisuel -- physique appliquée, ingénierie du son