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Updated 2022-10-25
Activated 2022-10-25

Backend Engineer

  • Recruiter
  • Senior Level
This posting is managed by: 株式会社インフォエックス / InfoEx Corporation
Company Name Company is not publicly visible
Job Type
株式会社インフォエックス / InfoEx Corporation
IT (PC, Web, Unix) - Back-End Engineer
Industry Internet Services/ISP (Internet Service Provider)
Location Asia Japan Tokyo

Job Description Business Overview
Are you interested in building the next generation of internet services that reach hundreds of millions of users across the globe every day?
We are on a mission to empower individuals and society through innovation and entrepreneurship. Today we have 70+ businesses in 29 countries across a range of sectors, with a key part of this being our presence in FinTech and Payments.

Our global solutions enable end-users and merchants to quickly and safely make and accept payments. Not only that, but we strive to delight our end-users by bringing them the full benefits of our membership in our Payment offerings, for example by leveraging our famous Points.

Department Overview
Sitting within our System Division, the Cross Service Development Department (XSDD) plays a crucial role in this. XSDD focuses on business-critical initiatives across our products and platforms. Our vision is to build and shape payment technologies that support our users’ daily lives now and into the future.
Why We Hire
Due to the growing responsibilities of our department, we are looking for a Software Engineer to help drive progress for our key initiatives in the mobile space.
As part of our team, you’ll get to see behind the scenes of the technology that enables modern, online life. Together, with your help, we aim to turn vision into a reality and deliver the next generation of payment technology.
(1)Develop RESTful/gRPC API services that process support thousands of requests per second
(2)Work with QA team to build performance and integration testing tools for these APIs
(3)Collaborate with product managers to ensure that implementation meets the specifications
Working Hours Standard working hours 9:00 to 17:30
* Working hours are from 8:00 to 16:30 on the day of a Group Morning Assembly.
* Scheduled working hours are 7.5 hours and break time is 1 hour.
* However, some positions may be subject to the planning work type discretionary labor system or the professional work type discretionary labor system.
* At some office, flextime systems are applied.
Core time: 11: 00-15: 00 (morning assembly day is 8: 00-12: 00)
(1)Experienced in at least a couple of the following languages: Kotlin, F#, C#, C, C++, Java, golang, TypeScript, JavaScript, Python, Elm
(2)Work experience in various frameworks on a backend service that served multiple hundreds of requests per second
(3)Familiarity with OAuth 2, data protection, and OWASP threat models
(4)Excellent understanding of architecture patterns and the SOLID principles
(5)Ability to contribute actively to technical discussions

(1)A record of self-directed side projects, research, or open source contributions is a plus
(2)Experience in working in cross-cultural development teams
English Level Business Conversation Level (TOEIC 735-860)
Japanese Level None
Salary JPY - Japanese Yen JPY 6000K - JPY 11000K   
Other Salary
Social Insurance
Commuting/ Transportation Allowance
Sport Facilities
Relaxation Facilities
In-House Loan System
Worker's Property Accumulation Savings
Employee Stock Purchase System
Education/ Training
Holidays Five-Day Workweek
Summer Holidays
Winter Holidays
Refresh Holidays
Paid Holidays
Congratulatory or Condolence Leave
Child-care Leave
Sick Leave
Job Contract

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株式会社インフォエックス / InfoEx Corporation

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