Full-Stack Engineer (Java / Spring Boot + Vue.js), Fintech Back-Office Platform, Tokyo

Abbeal is hiring a backend-leaning Full-Stack Engineer for a large Japanese fintech in Tokyo. Java 21 and Spring Boot first, Vue.js 3 second, some Kotlin, Docker and CI/CD. English-speaking team, no Japanese required. Permanent contract or freelance. Japan residents only, quick start.

Stack technique : Java 21 · Spring Boot 3 · Vue.js 3 · Kotlin · Docker · Kubernetes · ArgoCD · Jenkins · SonarQube · GitHub · MySQL · Redis · Kafka. Localisations : Tokyo. Mode hybride / remote possible selon profil.

About Abbeal: tri-geo engineering studio (Paris · Montréal · Tokyo) founded in 2015. 100+ clients served, 50+ international talents via the Mobbeal mobility programme. Three pillars: Adaptive Follow-the-Sun (24/7 delivery across 3 time zones), AI-first, GreenOps & Performance. Four areas of expertise: Web & Mobile, Data & AI, Cloud & Reliability, Embedded & Robotics. We don't bill time, we ship scope. Working mode: short sprints, product ownership, AI-assisted code reviews (Codex), pair programming on sensitive topics, systematic ownership transfer at the end of each engagement. Recruitment process: sourcing by engineers (not by HR), short but rigorous technical validation, closing within 48 hours, 6-month guarantee. Mobbeal mobility programme for those who want to relocate to Tokyo, Montréal or Paris: we handle visa, housing, family and schools. Apply: [email removed].