Kotlin/Mobile Payment Service Development Support is a role focused on application development for mobile payment services. This position involves developing new payment features for smartphones, modifying existing functionalities, designing user interfaces, implementing API integration, and conducting various tests. The role also includes adding features to improve user convenience, enhancing performance, and addressing system failures.
Responsibilities
Develop applications using Kotlin for mobile payment services
Develop smartphone payment features
Modify existing functionalities
Design user interfaces
Implement API integration features
Conduct various tests
Add features to improve user convenience
Improve performance
Respond to system failures
Requirements
No experience required
No educational background required
No qualifications required
Age limit: up to 59 years (due to mandatory retirement at 60)
Welcome all nationalities (interviews will be conducted in Japanese)
Welcome middle to senior age group (inexperienced middle to senior welcome)
Nice to have:
OS: Android
Languages: Kotlin, Java
DB: MySQL, PostgreSQL
Tools: Git, GitHub, JIRA, Slack
Benefits
Commuting allowance (up to 50,000 yen per month)
Salary increase (3,000 to 50,000 yen per month based on previous year's performance)
Bonus (twice a year, 4.60 months' worth based on previous year's performance)
Weekly two-day off system (Saturdays and Sundays)
127 annual holidays
10 days of annual paid leave after 6 months of employment
Employment insurance
Workers' accident compensation insurance
Health insurance
Employees' pension
Employees' pension fund
Re-employment system up to 65 years old
Access to Kanto ITS Health Insurance Association
Proprietary learning system
IT technical training (web-based)
Bizcampus
Business etiquette training
High retention rate (over 90%)
Clear career plan and environment for constant consultation
Sales team negotiates with clients on behalf of engineers for difficult matters
Active circle activities to find like-minded colleagues
Important Details
Millions of jobs, with real people getting hired every day
200,000+
New jobs added daily
7,000,000+
Verified job listings
1,000,000+
Tailored applications submitted
Schedule: 9:00 to 18:00
Overtime: approximately 10 hours per month
Special clause for Article 36 agreement: overtime can be extended up to 6 times a month, 80 hours a month, and 600 hours a year under special circumstances
Break time: 60 minutes
Holidays: Saturdays, Sundays, national holidays
Contract: permanent
Probation period: 3 to 6 months, with same labor conditions
Transfer: possible to other company offices within commuting distance from home
Application deadline: December 31, 2026
Team: 33 employees at the Makuhari office (9 women, 0 part-time)
Nearest station: Kaihin-Makuhari Station on the JR Keiyo Line, 3 minutes walk
Smoking countermeasures: smoking room available
Car commuting: not permitted
Future possibility of working at client sites due to business reasons
Application Process
Submit Hello Work referral letter, resume (with photo), and CV
Application documents can be sent by mail, email, or through the job seeker's My Page
Mail application documents to: 3F Makuhari Techno Garden CB Building, 1-3 Nakase, Mihama-ku, Chiba-shi, Chiba 261-8501
Application documents will be disposed of by the recruiter
Selection process: document screening, 2 interviews, written examination
Notification of document screening results: within 7 days of arrival
Notification of interview results: within 7 days after interview
Notification method: contact via job seeker's My Page, mail, or email
Written examination may include SPI and aptitude tests
Prior contact is not required for application inquiries
Email application is recommended; include contact person's name, job number, and job title in the email body
If applying by mail, include email address on resume
Email inquiries are recommended; phone inquiries are also accepted if no email environment is available
After applying, contact will be made from the domain "@takes.hrmos.co"; please set up to receive emails from this domain
A Hello Work referral letter is required (not required for online self-application)
Online self-application is available
About the Company
Takes Co., Ltd. Makuhari Office is a group company of ISB Co., Ltd., listed on the Prime Market of the Tokyo Stock Exchange. The company specializes in software contract development, solution building and operation support, and technical support (server/network). It has achieved 26 consecutive years of growth and supports the growth of engineers through comprehensive education. The company prioritizes creating an environment where engineers can thrive. The company employs 952 people overall and was established in 2000 with a capital of 10 million yen. Its annual sales for 2025 were 7.341 billion yen. Takes Co., Ltd. is an affiliated company of ISB Co., Ltd.
