Freelancer profile translated to English.
Back to original languageAbout Kévin
Fullstack engineer with approximately 5 years of experience in designing, developing, and deploying data-driven SaaS solutions, internal business applications, and critical systems.
I primarily work with Typescript or Ruby and use libraries/frameworks such as React for the frontend and NestJS (or other Node.js frameworks) / Rails for the backend.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- FreelanceFullstack Software EngineerCIVIL ENGINEERINGJuly 2025 - January 2026 (6 months)Paris, France- Development of an internal management web application for a construction company with React and NestJS- Implementation of an invoicing system, multi-site expense tracking, and data aggregation dashboards- Design of tools to aid in planning, decision-making, and team allocation on construction sites- Direct collaboration with business stakeholders, with full project ownership: from requirements gathering to deployment
- In The MemoryFullstack Software EngineerSOFTWARE PUBLISHINGAugust 2022 - April 2025 (2 years and 8 months)Paris, France- Development and maintenance of a data-driven SaaS product for the retail sector. Typescript/React for the frontend, Ruby for the backend- Integration of REST APIs and data flow management, in close collaboration with Product Managers, Designers, and Data teams- Performance optimization, improvement of production stability, refactoring, and continuous improvement of code quality- Contribution to the development of a new analytics product based on Next.js, tRPC, and Cube (semantic layer)
- COMMISSARIAT A L’ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (CEA)System EngineerDEFENSE AND MILITARYOctober 2020 - July 2022 (1 year and 9 months)Arpajon, France- Operation of critical infrastructures in a highly regulated environment.- Maintenance of operational capabilities and system security levels.- Participation in the design and evolution of the system architecture.- Level 3 support for sensitive and critical systems.
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Education
- Master 2 - System and Network ArchitectureUniversité Paris-Saclay2020
- Computer Science Degree - System and Network AdministrationUniversité Paris-Saclay2018