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Job ID : 1571993 Date Updated : January 22nd, 2026
Technical project manager

Java developer

Hiring Company Smart IMS Inc.
Location Tokyo - 23 Wards
Job Type Contract
Salary 8 million yen ~ 10 million yen

Job Description

Role and responsibilities:

  • Carrier services platform feature design and development
  • Development from requirements gathering phase to releasing the application to production
  • Evaluate existing methods and drive continuous process improvements

General Requirements

Minimum Experience Level Over 6 years
Career Level Mid Career
Minimum English Level Fluent
Minimum Japanese Level Business Level
Minimum Education Level Bachelor's Degree
Visa Status Permission to work in Japan required

Required Skills

Required Skills:

  • Programming Skills: Proficient in Java 8 and above, Spring, Cassandra, Oracle, REST API, JPA, Hibernate, Microservice
  • 6+ years of experience in enterprise Java development
  • Excellent written and oral communication in Japanese (JLPT N2 Level or higher) and interpersonal skills
  • Proficiency in English is desirable (At least basic English communication skill is fine)
  • Hands on Java Engineer capable of developing quality code
  • Strong foundation in Computer Science fundamentals such as data structures and algorithms
  • Experienced in delivering advanced solutions for a multi-tier, distributed web application
  • Experienced in crafting and implementing REST API
  • Proven strong problem solving and debugging skills
  • Experienced in developing applications that utilize relational databases (e.g. Oracle) and other less structured data stores (NoSQL)
  • Ability to articulate the benefits of Test Driven Development, Continuous Integration
  • Knowledge of data modeling using Oracle and Cassandra databases
  • Equally valuable is experience in building low latency service APIs, and data aggregation pipelines

 

Job Location

  • Tokyo - 23 Wards

Work Conditions

Job Type Contract
Salary 8 million yen ~ 10 million yen
Industry Other

Job Category