Backend Engineer (For Native App Proxy)

Job Type
6,000,000 JPY - 9,000,000 JPY per year
Japanese Level
Low Intermediate (JLPT Level 4)
English Level
Advanced (TOEIC 860)
Start Date


A Listed Global Manufacturing Retail Company is looking for a Backend Engineer (For Native App Proxy).


Their mission is to change clothes, change conventional wisdom, and change the world. Through their brands, they have been able to help millions around the world feel the joy and satisifaction of wearing great clothing. Today, they are looking for the world's best talent to help us expand in new markets and become the #1 Digital Consumer Retailer.


About Core Engineering:

The Core Engineering team plays a critical role in helping deliver the best user experience and service to their customers worldwide. Our worldwide team applies a customer-first attitude, the best technology, and deep understanding of business needs to develop and support our commerce systems. From machine learning to product development, you'll find the challenge you're looking for in Core Engineering!



We're building an application that sits between a microservice backend and the mobile native app that our global customers use.

Our application is in charge of modeling all the consumer-level business logic, tying together the various microservices and serving the relevant data via clean, frontend-friendly APIs.


Description of Position:

As a member of the small group of BFF developers, you will be responsible for understanding both the low-level workings of the microservices, as well as the consumer-facing user experience, and building an application to tie those disparate concerns together.

The lots of your time will be spent developing and, indeed, we identify as developers first. But the nature of the application we're building dictates that you'll frequently interact with microservice teams (to help refine API designs), with project stakeholders (to clarify requirements and spec out technical solutions to business problems) and our overseas development members.



【会社概要 | Company Details】
Our client is a listed apparel company which has successfully expanded their business across the US, Europe and Asia. The company is merging their e-commerce sites, mobile apps, and stores into a simple shopping experience to improve usability. They have been actively working to strengthen the organization as well as developing IT systems in-house. This is a great opportunity to join this famous company in their transition stage! Great work life balance and benefits!

【就業時間 | Working Hours】

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

【待遇・福利厚生 | Services / Benefits】

Social insurance, Transportation Fee, No smoking indoors allowed (Designated smoking area), etc.

Required Skills

- Software development experience  

- Programming in a statically-typed language  

- Hands-on experience with Golang  

- Design and development of REST APIs  

- Unit testing  

- Version control via Git

- Smooth communication in Japanese or English.  

- Written commuication in English, including documentation.

Preferred Skills

- Hands-on experience in additional backend languages such as Java or Node.js

- Design of caching schemes for backend systems

- Design of RDBMS schemas

- Benchmarking / performance optimizations

- Contributions to open source