Freelancer profile translated to English.
Back to original languageAbout Kevin
Senior backend developer specializing in Node.js and scalable architectures, I have been supporting companies in various sectors (fintech, SaaS, video games, non-profit, digital agencies) for over 11 years.
My expertise covers the design and development of robust APIs, the implementation of high-performance microservices, integration with third-party services (AWS, Stripe, ElasticSearch, Firebase), and the optimization of high-traffic systems.
I am also an expert in modern full-stack technologies (Flutter or React Js/Native) and have managed web projects as a technical director, coordinating teams and deliveries.
My goal: to help my clients design reliable, scalable, and user-oriented applications, ensuring code quality, performance, and longevity.
French
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- Advize ConnectBackend DeveloperPRIVATE EQUITYOctober 2022 - July 2025 (2 years and 9 months)Paris, FranceAs a senior backend developer at Advize Connect, I was responsible for the design, development, and maintenance of several critical backend services for custom B2B platforms. My role focused on API performance, scalability, and reliability.
- Design of modular Node.js (TypeScript) architectures based on DDD, SOLID principles, and microservices orientation
- Development of robust and secure REST APIs connected to PostgreSQL / MongoDB / Redis databases
- Implementation of automated tests (unit, integration, e2e) to ensure code quality in CI/CD
- Participation in technical choices, code reviews, mentoring, and improvement of best practices within the team
- Integration with third-party services: AWS (Lambda, S3, SQS), ElasticSearch, various finance-related services
I also contributed to DevOps strategy, system documentation, and continuous improvement of application performance in an agile environment. - Behaviour InteractiveFull-Stack DeveloperVIDEO GAMES AND ANIMATIONOctober 2019 - August 2021 (1 year and 10 months)Montréal, CanadaAt Behaviour Interactive, I joined the live services team for Dead by Daylight, one of the world's most popular asymmetrical horror multiplayer games. As a full-stack developer (React / Node.js), I contributed to the development and maintenance of web tools used by players and internal teams:
- Development of React web interfaces for in-game events, player account management, and live content (special events, Battle Pass, store, etc.).
- Design and integration of Node.js backend APIs, connected to internal game services and third-party platforms.
- Close collaboration with UX/UI, design, and backend teams to deliver fluid, scalable, and robust experiences.
- Participation in code reviews, continuous architecture improvement, and production tool monitoring.
This experience allowed me to consolidate my expertise in modern web stacks in a demanding, high-traffic environment that is constantly evolving in a field that was new to me. - Otopouce DigitalTechnical DirectorDIGITAL AND ITJuly 2017 - April 2019 (1 year and 9 months)Quatre Bornes, MauritiusAtOctopouce Digital**, I held the role of **Technical Director (CTO)within an agency specializing in web application development. In coordination with a project manager, I supervised a team of developers and ensured the success of various client projects.
- Technicalsupervisionandmentoringof the development team in the creation of websites and web applications.
- Design and implementation of architectures in **Symfony**, **Angular**, **React.js**, and **Flutter**, tailored to the specific needs of each client.
- Development and integration on variousCMSandFrameworks(Prestashop, WordPress) to address e-commerce and corporate challenges.
- Client relations, project monitoring, and technical validation of deliverables.
This experience allowed me to gain skills in technical management, digital project management, and web architecture choices, while maintaining operational involvement in development.
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Education
- Bachelor in Digital Project Management, specialization in DevelopmentDigital Campus2016Ce bachelor en alternance a permis de perfectionner ma gestion de projet et mes compétences en développement / design web / Flutter. Tout au long de l'année, on était une équipe en relation avec un client professionnel afin de travailler sur sa demande.
- Digital Gateway, specialization in DevelopmentDigital Campus2015Un an de formation qui permet d'avoir de nouvelles connaissances sur la gestion de projet, la relation client, le travail en équipe ainsi que le développement web / flutter et le design.