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Senior Application Engineer for High‑Traffic Online Services
| Location | Tokyo - 23 Wards |
| Job Type | Temporary |
| Salary | 6 million yen ~ 8 million yen |
Job Description
This role leads foundational system design, development, and enhancement for an established online sports entertainment and e‑payment platform. You will drive technical improvements, migrations, and new feature development across high‑traffic, high‑availability services.
Client Details
A leading digital services provider operating a large‑scale online sports entertainment platform and associated electronic payment solution. The organization manages both its own consumer services and provides OEM offerings to partner brands across Japan.
Description
- Lead investigation, design, implementation, and testing for system enhancements, migrations, and new feature development
- Collaborate with cross‑functional members to maintain platform stability and performance
- Contribute to architecture discussions and improvement initiatives across PHP and Java/Kotlin services
- Ensure high reliability and security for customer‑facing, transaction‑heavy systems
Job Offer
- Opportunity to influence core system architecture for a widely used digital platform
- Exposure to both consumer‑facing service development and OEM project work
- Collaborative, multicultural engineering environment
- Career growth through complex, large‑scale technical challenges
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 | Daily Conversation |
| Minimum Education Level | Bachelor's Degree |
| Visa Status | Permission to work in Japan required |
Required Skills
Must‑have:
- Professional experience designing and developing applications using PHP
- Hands‑on development experience with Java or Kotlin
- Strong understanding of RDBMS design and implementation
- Ability to communicate in daily conversational Japanese
- Experience developing or operating large‑scale online services
- Experience in multinational development teams
Job Location
- Tokyo - 23 Wards
Work Conditions
| Job Type | Temporary |
| Salary | 6 million yen ~ 8 million yen |
| Industry | Software |
