Freelancer profile translated to English.
Back to original languageAbout Kevin
Backend Developer | Java | SpringBoot – Performant and scalable applications
Looking for a developer capable of designinga robust applicationon the backend? I can help you create or evolve your business tools, SaaS platforms, or client portals, with a focus on performance, maintainability, and code clarity.
As abackend developer,I am involved in the entire application lifecycle: design, development, continuous integration, performance optimization, and deployment.
I deliver **turnkey solutions**, tested and documented, ready for deployment and long-term maintenance. Each project is structured to be **extensible**, with clear business logic. You receive a product ready to evolve without hidden dependencies or technical debt.
Technical expertise:
●Java / SpringBoot(microservices, REST APIs, security, performance)
● **Databases**: PostgreSQL, MySQL
● **CI/CD & DevOps tools**: Git
Services offered:
●Java / SpringBoot back-enddevelopment (APIs, microservices, integration)
● Migration or application refactoring to modern stacks
● Optimization and security of existing applications
● Technical consulting and software architecture support
Interested?
If you want toaccelerate your web developmentor make an existing application more reliable, let's discuss it! I'm happy to arrange a video call to understand your needs and propose a clear roadmap. I respond within 24 hours.
French
Native or bilingual
English
Conversational
Can work on-site
Paris (up to 50km), Bordeaux (up to 50km), Lyon (up to 50km), Nantes (up to 50km), Marseille (up to 50km)
Experience
- Prouve TechWeb Application DeveloperMarch 2025 - Today (1 year and 5 months)Web Application Developer | Java | Spring Boot | TypeScript | Angular | SaaS Platform DevelopmentContext:Design and development of a platform that allows developers to showcase their expertise through concrete video projects.Missions performed:
- Clarification of the problem & message
- Design of an MVP focused on essentials
- SaaS platform development
- Field validation & pre-beta
Technical Stack:TypeScript, Java, Spring Boot, Angular - Kanieba InteractiveMobile Application DeveloperSOFTWARE PUBLISHINGNovember 2021 - September 2023 (1 year and 10 months)Paris, FranceMobile Application Developer | TypeScript | Node.js | Phaser | Android Studios | Electron | Game Application DevelopmentContext:Design and development of digital platforms;Flagship product: Africatik (African educational applications)Missions performed:
- Integrated multilingual content into game applications
- Compiled and packaged cross-platform applications
- Developed a universal player: 1 codebase
- Reduced bugs by 40% with automated tests
Technical Stack:TypeScript, Node.js, Phaser, Android Studio, ElectronResults:Contributed to the deployment of educational applications adopted by several schools in Africa. - Eco ConseilWeb DeveloperENERGY AND UTILITIESNovember 2020 - September 2021 (10 months)Cosne-Cours-sur-Loire, FranceFull-Stack Developer | PHP | FuelPHP|WordPress | Development of a commercial management application & SEO for the official Eco Conseil website.Context:Company specializing in energy savings for housing.Missions performed:
- Automated quotes: 2h → 15min (-85% time)
- SEO for the official Eco Conseil website
- Optimized MySQL: 3x faster queries
- Secured access for 50+ users with a role system
Technical Stack:PHP, FuelPHP, WordPress, SEOResults:Improved commercial productivity (automated quotes, centralized management), and better digital visibility through the website and optimized content.
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Education
- Master - Digital Solutions and Data ManagerIMIE Paris2023Master - Manager de Solutions Digitales et Data
- Bachelor - Application Designer DeveloperIMIE2021Licence - Concepteur Développeur D'application