CareerCross uses cookies to enhance your experience on our websites. If you continue to view our sites without changing your browser settings, then it is assumed that we have your consent to collect and utilise your cookies. If you do not want to give us your consent, then please change the cookie settings on your browser. Please refer to our privacy policy for more information.
CareerCross uses cookies to enhance your experience on our websites. If you continue to view our sites without changing your browser settings, then it is assumed that we have your consent to collect and utilise your cookies. If you do not want to give us your consent, then please change the cookie settings on your browser. Please refer to our privacy policy for more information.
Lead Java Engineer | Build Next-Generation Digital Platforms
| Location | Tokyo - 23 Wards |
| Job Type | Temporary |
| Salary | 7 million yen ~ 8.5 million yen |
Job Description
Join a large-scale technology and telecommunications business developing innovative digital products for international markets. This is a hands-on technical leadership role combining software architecture, team leadership, and delivery of cloud-native platforms using modern Java technologies.
Client Details
Our client is a leading technology and telecommunications organization with a strong presence across digital services and connectivity solutions. The company develops large-scale consumer and enterprise platforms, investing heavily in cloud technologies, product innovation, and next-generation digital experiences.
Description
- Lead the design, development, and delivery of scalable microservices and cloud-native applications.
- Act as a technical lead for a small engineering team, providing mentorship, guidance, and technical direction.
- Design and build secure, resilient, and high-performance systems using modern engineering best practices.
- Collaborate with Product Managers, Designers, and Engineers in an Agile development environment.
- Drive code quality, observability, system reliability, and continuous improvement initiatives.
- Contribute to architectural decisions and long-term technology strategy.
- Support the development of AI-enabled products and innovative digital solutions.
- Participate in cross-platform and multi-platform application development projects.
- Ensure successful delivery of complex B2B2C and multi-tenant platform solutions.
Job Offer
- Opportunity to lead engineering initiatives on large-scale international products.
- High-impact role combining technical leadership and hands-on development.
- Modern cloud-native technology stack and engineering-focused culture.
- Exposure to AI-enabled product development and innovation initiatives.
- English-speaking working environment.
- Collaboration with global stakeholders across product, engineering, and business teams.
- Clear opportunity to influence architecture, engineering standards, and product direction.
To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Serena Wu on +81 3 6627 6137.
General Requirements
| Minimum Experience Level | No experience |
| Career Level | Mid Career |
| Minimum English Level | Fluent |
| Minimum Japanese Level | Basic |
| Minimum Education Level | Bachelor's Degree |
| Visa Status | Permission to work in Japan required |
Required Skills
- 7+ years of professional software engineering experience.
- 3+ years of experience as a Technical Lead, Team Lead, or similar leadership role.
- Strong experience leading small engineering teams while remaining hands-on in development.
- Proven track record delivering scalable B2B2C or multi-tenant platforms.
- Deep expertise in microservices architecture and distributed systems.
- Strong experience with:
- Java 21/25
- Spring Boot
- REST APIs
- TypeScript
- PostgreSQL
- AWS (RDS, Cognito, ECS, SQS, SNS, ElastiCache)
- OAuth2, JWT, and modern security frameworks
- Resilience and fault-tolerant system design
- Observability tools such as Grafana and Sentry
- Business-level communication skills in English. Japanese language skills are not required.
- Angular
- Flyway
- Redis
- Tailwind CSS
- Cross-platform mobile application development
- Knowledge of AI Agent development
Job Location
- Tokyo - 23 Wards
Work Conditions
| Job Type | Temporary |
| Salary | 7 million yen ~ 8.5 million yen |
| Industry | Software |
