Web Application Engineer (Java, Kotlin, C++, Ruby or Python: 4377)

Job Type
3,350 Yen/hour
Japanese Level
English Level
Advanced (TOEIC 860)
Start Date



Leading IT service company is looking for a Web Application Engineer (Java, Kotlin, C++, Ruby or Python) for their Channel Solution provides Messaging Campaign System and Message Delivery System to entire their services as a platform.


In this role, you will be work in a cross culture team and be involved in design, develop and operate our system which contains campaign management, contents management, segmentation, personalization, marketing automation, scheduling, message delivery, and measurement/analysis features.



- Design, develop, test and operate our Campaign System and Delivery System

- Investigate design approaches, evaluate the technical feasibility, and deliver top-quality experiences

- Implement innovative features to continue improving current systems

- Write clean, maintainable code and performing peer code-reviews

- Troubleshoot production incidents and provide countermeasures


【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】
Flex (7.5 hours a day with core time 11:00-15:00)
*When there is Asakai (usually Monday morning), the core time is 8:00-12:00
【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

- 2+ years of experience in software development

- Proficiency in one or more general-purpose programming languages such as Java, Kotlin, C++, ruby or Python

- Knowledge of Unix/Linux environments

- Good communication and interpersonal skills

- Willing to working across cultures

Preferred Skills

- Experience in Digital Marketing, Email Marketing or Messaging platform

- Knowledge of CI/CD pipeline by Jenkins, Docker, and k8s

- Knowledge of test automation

- Knowledge of cloud computing. (AWS, GCP, azure)

- Knowledge of big data processing by Hadoop ecosystem

- Knowledge of distributed systems and microservices architecture

- Familiar with Java ecosystems like IDEs, frameworks, middlewares, and libraries

- Experience in front-end development, especially for ECMAScript6, Angular / Vue.JS and Bootstrap 3/4