Backend Developer · AI & DevOps

Fergal Mechin

Backend Java / Spring Boot and Node.js / Express. 6+ years of development and technical responsibility in video games (13 titles shipped on PC, consoles, mobile), career transition backed by concrete projects: deployed, tested, documented, with a DevOps approach (CI/CD, Docker, continuous deployment). Instructor at Ynov Lyon & Ynov Connect.

Java Java 21 Spring Boot Flyway JUnit / Mockito Swagger JavaScript Node.js Express Prisma Socket.io React JWT Ops & DevOps CI/CD (GitHub Actions) DevOps practices Docker PostgreSQL Git Debian server administration AI-Driven Dev Claude Code Agent specs (CLAUDE.md) AI-driven TDD Human verification Game Dev Background C# / C++ Unity / Unreal Technical lead Console certs TRC/TCR

years of dev

projects delivered

backend stacks

delivery platforms

6+ years in video games: the full history↗

GitHub Repos From most polished to simplest github.com/Gretsok

01 amimot-rootFlagship project · live · 100% AI-driven Built end-to-end by AI agents, submodules included: real-time multiplayer social game in the vein of Gartic Phone — lobby, reconnection, Google OAuth, 179 backend tests under strict TDD, deployed over HTTPS (Caddy) on a VPS. DevOps approach: GitHub Actions CI/CD pipeline with automated tests on every PR (backend, frontend, e2e) and continuous deployment on push to master. 100 % AI-Driven Claude Code · TDD · human review Learn more ↗ Express / Prisma / Socket.ioReact / VitePostgreSQLDocker ComposeGitHub ActionsCI/CD Play ↗GitHub ↗

02 basicbooksapi REST API for books and authors: layered architecture (DTOs, centralized error handling), Flyway migrations, MockMvc integration tests, full Swagger docs, multi-stage Docker. Java 21 / Spring BootFlywayPostgreSQLDocker GitHub ↗

03 Watchlist REST API Movie watchlist REST API: JWT + bcrypt authentication, Zod validation, Prisma 7 on PostgreSQL. Node.js / Express 5Prisma 7JWTPostgreSQL GitHub ↗

04 hr-projects HR management as two Spring Boot modules communicating over HTTP: REST API (JPA, H2) + Spring MVC/Thymeleaf webapp. Simple multi-service architecture. Spring BootSpring Data JPAThymeleaf GitHub ↗

05 Movies Frontend React fundamentals, as the frontend counterpart to the JavaScript backend stack. React GitHub ↗