Company: Not specified Location: Nihonbashi Ningyocho, Chuo-ku, Tokyo, Japan Employment Type: Full-Time Industry: IT (Open/Web Development)
Job Overview
Responsible for project management, system architecture, API optimization, and third-party integrations. Work closely with internal and external teams to ensure performance, reliability, and scalability of web applications.
Key Responsibilities:
Assist with project management and product/business requirement analysis
Design system architecture and data structures based on product needs
Optimize API performance
Upgrade technical architecture of existing products
Introduce new technologies to the development team
Prepare technical documentation
Collaborate with third-party platforms and game operators
Plan and execute third-party integrations with internal teams
Track and manage integration progress and resolve technical issues
Analyze third-party game performance and propose optimizations
Requirements
1+ year of programming experience
Proficient in Java 8/11/21, Spring Framework
Experience with JPA, MyBatis, JUnit, REST APIs
Familiarity with Oracle 11g/12c or other RDBMS
Fluent in Chinese (listening/reading/writing) and English (reading/writing)
Preferred Skills:
Experience with Redis, Kafka, Jenkins
Knowledge of AWS/GCP, Kubernetes (K8S)
Familiarity with microservices, big data, event systems, e-commerce systems
Working Hours
Monday–Friday, 10:00–19:00 (1-hour break)
Hours may vary depending on project
Salary & Benefits
Annual salary: ¥6.5M – ¥9M
Full social insurance (health, employment, welfare, labor)
Visa support for overseas talent
Annual bonuses & raises
Transportation allowance: up to ¥20,000/month
Skill development programs, domestic/international training
