English summary for screening — check the original posting before applying.
Seeking a Web Application Engineer to develop and maintain the authentication platform for a listed fintech company's SaaS product, which serves 60,000 SMEs. This role involves backend and frontend development of the Identity Provider (IdP) and related management systems.
Must-haves
- 3 years of development experience
- PHP (Laravel) development experience
- Web API design and implementation experience
- Database table design experience
- Basic AWS usage experience
- Docker development experience
- GitHub team development experience
- Experience using AI in development processes
Nice-to-haves
- Experience with OAuth 2.0 / OpenID Connect
- Experience with IdP (Authorization Server) implementation/operation
- Development experience in high-security domains (finance, payments)
- Frontend development experience with Vue.js 3+ / Nuxt.js 3+
- Infrastructure construction/operation experience using IaC
- Experience using AI coding tools like Claude Code
Tech stack
PHP (Laravel)Go (Echo)JavaScript (Vue.js, Nuxt.js, Vuetify)PythonReactAWSDockerPostgreSQLGitHubJiraSlackNotionFigmaGitHub CopilotCursor ProClaude Code
Work style
Hybrid, 2 days onsite expected in Tokyo. Full flex time available.
Other notes
Annual salary: 5,500,000 - 6,500,000 JPY. Probation period: 3 months. Company offers stock options and employee stock ownership plan.