Back-end Java Developer

Job Type
400,000 JPY ~ 700,000 JPY per month
Japanese Level
English Level
High Intermediate (TOEIC 730)
Start Date


Financial digital solution compnay is looking for a Backend Developer to support building digital banking services for customers on our fintech platform.

Candidate will work on the cryptocurrency wallet.


Main Responsibilities:

- Designing and implementing the core components for application

- Ensuring the availability, scalability, performance and security of application to specifications.

- Collaborating with the design and frontend teams to define API endpoints and help in the progress of the solution

- Communicating with non-technical team members on the project status

- Writing reusable, testable, maintainable and efficient code

- Identifying potential problems and resolving application bottlenecks

- Reviewing and helping other team members’contribution to the code base



【会社概要 | Company Details】
They are a company that provides back office, web software service, solution service and outsourcing service in financial securities business.


【就業時間 | Working Hours】
9:00 – 17:45(Mon - Fri)

【休日休暇 | Holidays】
Saturday, Sunday, and National Holidays, Year-end and New Year Holidays, Paid Holidays, Other Special Holidays

【待遇・福利厚生 | Services / Benefits】
Social insurance, Commuting allowance, defined contribution pension (401K), No indoor smoking (designated smoking area)


Required Skills

- Relevant work experience on Web application development.

- High level of proficiency in Java 8+ and SQL

- Understanding on user interface development and ability of proper data or business logic separation from view

- Experience with designing Restful API

- Experience with MVC, ORM frameworks

- Knowledge of network and cryptography concepts

- Proficient in code versioning tools: Git; building tools: maven, gradle; testing tools: Junit, mockito etc.

- Experience with continuous integration

- Comfortable with working in Linux environment

- Interested in cryptocurrencies and blockchain technologies