Backend Engineer (One App Section)

Job Type
7,000,000 JPY - 9,000,000 JPY per year
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date


A large Internet service company is hiring a Backend Engineer.

In the Tech Division, you will join a global team of experienced technologists who drive the technical foundation of their many services, the team is taking part in an exciting initiative that can change how users interact with the our company's ecosystem and its numerous services.

They are looking for a Backend Engineer interested to join a high visibility project, employing current technologies, working with a team focused on the delivery of a product we all would love to use. 



- Develop RESTful/gRPC API services that process support thousands of requests per second

- Work with QA team to build performance and integration testing tools for these APIs

- Collaborate with product managers to ensure that implementation meets the specifications

- Contribute actively to the technical discussion


【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】
Flextime(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

- Experienced in at least a couple of the following languages (Kotlin, F#, C#, C, C++, Java, golang, TypeScript, JavaScript, Python, Elm)

- Worked in various frameworks on a backend service that served multiple hundreds of requests per second

- Familiarity with OAuth 2, data protection and OWASP threat models

- Excellent understanding of architecture patterns and the SOLID principles

Preferred Skills

- A record of self-directed side projects, research, or open source contributions is a plus

- Experience in working in cross-cultural development teams