Lead API Developer

Job Type
8,000,000 JPY - 10,000,000 JPY per year
Japanese Level
Advanced (JLPT Level 1)
English Level
Advanced (TOEIC 860)
Start Date


A global Insurance and Mobile Device Support Services company is looking for a lead API developer.



- Collaborate with team members located across multiple sites to produce project/products deliverables 

- Collaborate with Product Managers, UX Designers, and other engineers on the team

- Rapidly prototype upcoming features, tools and solutions as part of regular update

- Develop effective, maintainable code in a timely fashion

- Work to integrate codes created by distributed teams

- Follow/improve established coding standards & techniques, and conduct code reviews with peers

- Utilize design patterns which comply with security policies and guidelines

- Effectively communicate the feasibility of requested deliverables and timelines to the Manager and/or Sr. Manager.

- Maintain proficiency in the application and use of systems, tools, and processes within the department's scope

- Maintain proficiency in business processes that drive applications within department’s scope

- Maintain a working knowledge of applications and system integration in order to anticipate cross-system or cross-process impacts



【会社概要 | Company Details】
Great opportunity to work at a global insurance company that aspires to support their customers with digital product troubles. The company will replace or repair your mobile phones or provide remote support on how to set up electronic devices.

【就業時間 | Working Hours】
9:00 - 17:30(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】

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

- Web application software development experience

- Good understanding of UI, DBMS, ETL, virtualization and security

- Hands-on experience developing applications using two or more modern programming languages

- Experience in engineering using AWS services such as EC2, ECS, Lambda, AWS S3, DynamoDB, RDS etc.

- Solid knowledge of backend server components, APIs, and performance optimization

- Significant understanding of Microservice patterns & concepts & its application in problem solving

- Hands-on experience working with JSON, REST, SOAP, OAuth, and Swagger.

- Experience working in a modern, agile software development teams

- Experience working with CI/CD using the AWS CI/CD stack

- Experience designing and building REST APIs



Preferred Skills

- Hands-on product development experience using Node JS, React JS, Express JS, Redux, GraphQL, Relational and NoSQL databases

- AWS certification is preferable in one of the domains: AWS Developer, Architect

- Hands-on product development using standard server less technologies

- Development or operation experience of large transactional system utilizing SQL Server or other equivalent enterprise scale DBMS