English summary for screening — check the original posting before applying.
Lead the design and implementation of Stock's BtoB SaaS product, used by over 250,000 teams. Focus on ensuring stable operation and driving future evolution of the service, while collaborating with Product Management and the CTO.
Must-haves
- Web application development experience in a cloud environment (AWS/GCP/Azure)
- Web application framework development experience (any language)
- Mobile app or cross-platform development experience (React Native/Electron)
- Experience leading technical decision-making and development process improvement
- Experience managing design quality and delivery with external partners
Nice-to-haves
- Development and operation experience using Ruby on Rails or React
- Practical experience in SRE or service/product operations
- BtoB SaaS product development experience
- Experience in improving or refactoring long-term operated products
- Experience improving operational infrastructure (CI/CD, monitoring, logs)
- Performance improvement experience under large traffic loads or DB optimization
- Experience safely renovating/refactoring legacy codebases
Tech stack
Ruby on RailsRubyRSpecReactTypeScriptwebpackAstroJestReact NativeElectronAWSDockerCloudflarePostgreSQLRedisOpenSearchNode.jsExpressGitHubGitHub ActionsAmplifySentryPapertrail
Work style
Remote work possible (2 days per week, conditions apply). On-site work location: JMF Building Higashinihonbashi 01, 4F, 2-8-3 Higashinihonbashi, Chuo-ku, Tokyo.
Other notes
Annual salary: ¥6,500,000 - ¥8,500,000. Includes fixed overtime allowance for 45 hours per month (exceeding hours compensated separately).