Job Id : 10011
Posted : 2026-02-05
Industry : Information Technology and Services
Employment Type : Contractor, Temporary
Required Skills : android mobile tester , testing eSIM, Functional Testing , analysis, mobile networking c, embedded SIM
City : Tokyo
State : Tokyo
Country : Japan
Annual Salary : ¥4,500,000 ~ ¥5,500,000
Job Description
Appealing Points:
- Hands-on testing role focused on cutting-edge eSIM technology Gain deep exposure to eSIM profile management, activation/deactivation, and multi-profile switching in next-generation mobile environments.
- End-to-end Android functional testing using real devices and ADB Take ownership of requirement analysis, test planning, execution, and issue troubleshooting to strengthen your expertise as a mobile QA engineer.
- Global, bilingual work environment Collaborate with international teams using Japanese and English, while applying your knowledge of LTE, 5G, and Wi-Fi to ensure high-quality mobile experiences.
Annual Salary :4.5 Million yen and above
Job Description:
- Functional Testing with Android Device testing experience
- Well versed with ADB
- Requirement analysis, develop and execute comprehensive test plans and test cases for new features and existing functionalities & Test Execution.
- Focus heavily on testing eSIM (embedded SIM) functionality, including:
- eSIM profile download and installation.
- eSIM activation and deactivation.
- Switching between multiple eSIM profiles.
- Testing of various network conditions and edge cases related to eSIM.
- Troubleshooting and debugging eSIM related issues.
- Develop and execute comprehensive test plans and test cases for new features and existing functionalities.
Job Qualification:
- 3-5 years of hands-on experience in testing Android devices and mobile applications,
- In-depth understanding and practical experience with eSIM technology and its testing challenges preferred,
- Knowledge on testing eSIM (embedded SIM) functionality,
- Solid understanding of mobile networking concepts (LTE, 5G, Wi-Fi),
- Strong analytical and problem-solving skills with a keen attention to detail, team collaboration skills,
Japanese languages: Business level Japanese (N2) and business level English required.
About Company
This company has been certified as the “best employer” in 2020 by the “Top Employers Institute” which recognizes outstanding employers.
A global leader in consulting, technology, outsourcing, and next-generation services. With approximately 180,000 employees worldwide, the company helps clients in more than 50 countries stay ahead of the competition. Through the co-creation of innovative solutions, they help companies transform and thrive in an ever-changing world
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