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Java Backend Developer - Data Platform Application Engineer
| Location | Tokyo - 23 Wards |
| Job Type | Temporary |
| Salary | 5 million yen ~ 7 million yen |
Job Description
This role focuses on designing and developing backend architecture for a next‑generation enterprise data platform supporting large-scale data processing. You will collaborate with global engineering teams to deliver robust, performant backend applications that empower data‑driven decision making across the business.
Client Details
A major multinational technology-led organization operating diverse digital services and building advanced, cloud-enabled data platforms. The team is expanding to strengthen backend development and architecture capabilities for mission-critical data systems.
Description
- Design and implement backend application architecture
- Collaborate closely with engineering teams to improve development workflows
- Review and enhance code quality across projects
- Contribute to mid- and long-term product and platform roadmap
- Conduct research and experimentation with new technologies
Job Offer
- Opportunity to build backend foundations for a large-scale data platform
- Work with global teams using cutting-edge cloud, container, and data technologies
- Strong exposure to modern data architecture and high-performance backend systems
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
Must Have:
- 5+ years of software development experience, especially with Java or Golang
- Strong understanding of end‑to‑end web development lifecycle
- Experience designing and building tools based on specific technical requirements
- Background in microservice development (Spring Boot / Spring Cloud)
- Experience with RESTful design, unit testing, integration testing
- Proficiency with SQL and modern relational databases
- Experience with Redis or Memcached
- CI/CD experience (Jenkins, GitHub Actions, ArgoCD)
- Knowledge of Kubernetes and public cloud environments
- Experience with performance optimization
- Ability to work effectively within distributed teams
- Python-based tooling development
- Airflow (DAGs, operators), ETL/ELT pipelines
- Experience building or maintaining data platforms
- Familiarity with large-scale data systems (BigQuery, Trino, Spark, Hive)
- Data governance and security knowledge
- Experience with throttling, QoS, or stress testing
- Messaging systems experience (Kafka, RabbitMQ)
Job Location
- Tokyo - 23 Wards
Work Conditions
| Job Type | Temporary |
| Salary | 5 million yen ~ 7 million yen |
| Industry | Software |
