Data Engineer - Scala

  • Tokyo
  • No Remote
  • Full-time
  • June 19, 2023
6,000,000 - 33,000,000 JPY /yr
Apply from Anywhere 👍
Relocation to Japan 👍
(Overseas visa sponsorship supported)
Language Requirements
Japanese: Not Required 👍
English: Business Level
Minimum Experience
Junior or above

Job Overview:

As a Data Engineer, you will be responsible for developing, maintaining and leading data-related projects with Scala, Java and JDK to build a strong data solution globally. Working closely with the engineering and marketing team, you will be an integral part of our data team as the G123 platform grows its portfolio of games and expands globally. Main responsibilities include:

  • Developing & maintaining data pipelines written with Spark and Flink
  • Leading projects and propose innovative solutions
  • Consider coding standards and ensure compliance with quality measures
  • Communicate and resolve problems within and outside your team


  • 3+ years of relevant experience with production level development
  • Proficiency in: Scala, Java, JDK
  • Experience in Spark
  • Experience in MVC frameworks e.g. Spring Boot
  • Experience in middlewares e.g. Apache kafka, Redis
  • Experience in DevOps activities
  • Experience building and debugging complex systems in a team environment
  • Familiarity with AWS, Gitlhub, CICD
  • Self-motivated
  • Good communication, teamwork, inter-team collaboration
  • Be an active player in system architecture and design discussions
  • Adaptable to fast-paced startup environment

Language Requirements

  • Can work in Chinese OR Japanese OR English
  • Can read and understand technical documents in English


  • Visa support
  • Free lunch catering (*after 3 months employment) and early-bird breakfast
  • Free in-office Starbucks, coffee, tea, beverages, snacks, sweets, & vitamins/supplements
  • Modern office space in the heart of Tokyo, with views of Tokyo Tower and Mount Fuji
  • Industry-leading work-life harmony: overtime is rare and discouraged
  • Commute expenses covered
  • 30,000 yen rent support if you live 2 stops from Roppongi 1-chome or Kamiyacho stations
  • Bonus for continuous employment (50,000 yen/month added to base salary after 5 years of continued employment)
  • Health insurance
  • Diverse & international environment
  • Working hours: 10:00 – 19:00, Monday to Friday (in-office)


Founded in 2013, CTW is Japan’s No.1 browser game company. Our primary service is the G123 IP game platform — which publishes video games based on famous Japanese IP.

We’ve been experiencing steady growth in revenue in the past few years as our player base has exploded to over 50 million users worldwide.

We must grow quickly to keep up with market demand.

Our CEO founded and named this company with the aspiration to "Change the World." As a fast-growing startup, we hope our team will drive themselves to try new things and accelerate their careers to match the rapid expansion of the company.

Our core values are - ambition - drive - simplicity

With global hits like Vivid Army, Queen's Blade, and many more, we’re looking to go from a market leader in Japan to an industry leader globally!



Your compensation will be determined based on your experience as well as the whole interview process. Our salary range is as follows:

  • Level 1: 6-9M JPY
  • Level 2: 8-12M JPY
  • Level 3: 10-33M JPY

The first level is for individual contributors (junior positions), while the last level is for senior and management positions.

CTW is a fast-growing Japanese company, running the html5 based platform “G123”.

Currently G123 distributes free-to-play browser games based on popular Japanese brands, including anime and manga properties to global markets.

View CTW's company page

Search jobs from CTW in Japan
Data Engineer - Scala at CTW