Backend Software Engineer

Job Type
JPY 7,000,000 - JPY 12,000,000 per year
Japanese Level
English Level
Start Date


A leading mobile app of news aggregation services is looking for a Backend Software Engineer to join their growing teams. Great efforts are paid on building a highly efficient and flexible data service for analytical and operational purposes.



- Develop on server side for news or ads feeds

- Continuous improvement on the system operation, stability, efficiency, and scalability


【会社概要 | Company Details】

A major internet service company that develops and operates smartphone applications.

【就業時間 | Working Hours】

10:00 - 18:45 (Mon - Fri) (Flextime available)

【休日休暇 | Holidays】
完全週休2日制(土日祝休み)、年末年始、年次有給休暇、産前産後休暇、育児休業、その他特別休暇 など
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、確定拠出年金制度、各種研修制度 など
Social insurance, Transportation Fee, Defined contribution pension system, training programs, no smoking indoors allowed (Designated smoking area), etc.

Free Lunch, Housing Allowance, In-house Massage, Gym, Stock Options, Global Environment, Language learning support, Barista prepared coffee, Event space for free use for meet ups, Transportation, Social Insurance (Health, Employment, Pension & Compensation), Company Contribution plan, Maternity/Paternity Leave, Flexible work hours, open office plan



Required Skills

- High programming skills in one of these languages: Java, Scala, Kotlin, Python, Ruby

- Development experience on a cloud based system

- Understanding of computer science

Preferred Skills

- Failure analysis and performance tuning in JVM operation

- Development experience on AWS preferred

- Development and operation experience in high traffic web service

- Configuration, development and operation of Microservice / Service Mesh architecture

- Experience in SpringBoot, MySQL, PipelineDB, Elasticsearch, Hive, Hadoop, Spark, Docker, Kubernetes, Consul, Istio etc.