Java Engineer (API Usage Management System)

Job Type
6,000,000 JPY ~ 9,000,000 JPY per year
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date


A global Internet service company is looking for highly skilled Java based application developers to build platforms for 3rd party linkage via APIs.

As a middle class engineer, you will be in charge for developing, enhancing and maintaining the B2B applications. They are using agile process based on SCRUM. 



- Develop, enhance, operation, maintain and troubleshooting applications

- Ensure programming best practices

- Good communication skills in English with both verbal and written between team members.

- Code quality - has a passion for code quality, performing thorough code reviews and enforcing good coding standards, practices and tools

- Agile -follows the ideas and principles of Agile software development practices and testing models, able to lead their team through Scrum ceremonies

- Technical design - ability to understand, produce and communicate technical designs (in UML2 for example) to a team of engineers and product owners, adhering to appropriate design patterns


【会社概要 | Company Details】

Our client is a large global Internet service company that has enjoyed sustained growth as they continue to expand their business in various new areas and industries. This is a great opportunity to work in a diverse and international environment in Japan. Our client actively strives to be an equal opportunity employer, and they have many female and foreign nationals in upper management positions. Their brand has also gained global recognition as they sponsor some of the world's most famous sports teams. Our client prides themselves in providing a comfortable working environment for their employees. Engineers are welcome to choose their own setup (Windows/Mac, etc.); whatever makes them comfortable! Free meals are also provided at the company cafeteria. Their chefs work to create exciting new menus and dishes, so employees never get tired of the food!
【就業時間 | Working Hours】
Flex (7.5 hours a day with core time 11:00-15:00)
【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】
各種社会保険完備(厚生年金保険、健康保険、労災保険、雇用保険)、 屋内原則禁煙(屋外に喫煙所あり)、 通勤交通費支給等
Social insurance, Transportation Fee, No smoking indoors allowed (Designated smoking area), etc.


Required Skills

- Experiences in Java8, Java11

- Experiences in Spring Framework, including Spring Boot and Spring Batch

- Experiences in RESTful Web Services

- Experiences in MySQL

- Experience in high service level system development such as 24/7 level

- Experience in high traffic system development

- Java ORM - SQL, Hibernate, MyBatis

- Cache - Redis

- Git - maintaining large codebases through competing releases with minimum stress

- Monitoring and logging, knowledge of logging frameworks and troubleshooting all through the technology stack

- System alert management

- Unit and Integration testing using frameworks such as JUnit, DBUnit and etc