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Senior iOS Engineer - Lead High-Impact Consumer Apps
| Location | Tokyo - 23 Wards |
| Job Type | Temporary |
| Salary | 6 million yen ~ 8 million yen |
Job Description
This role is a hands-on Senior iOS Engineer position focused on designing, developing, and improving a large-scale consumer mobile application. You will collaborate across teams to deliver high-quality features while driving best practices in performance, architecture, and scalability.
Client Details
Our client is a large, globally recognized internet services group in Japan, operating a broad ecosystem of consumer-facing digital platforms including media, finance, and lifestyle services. The organization serves millions of users and offers a highly collaborative, international engineering environment.
Description
- Design and build advanced iOS applications using Swift
- Lead architecture decisions and contribute to system design (MVVM-based)
- Collaborate with cross-functional teams to define, design, and release new features
- Integrate RESTful APIs and manage data flow across systems
- Ensure application performance, quality, and responsiveness
- Write and maintain unit tests to improve reliability and scalability
- Identify bugs and implement effective solutions
- Participate in code reviews and continuously improve development processes
- Contribute across the full development lifecycle: requirements, design, development, testing, deployment
- Work within Agile/Scrum frameworks to deliver high-quality solutions
Job Offer
- Opportunity to work on large-scale, high-visibility consumer applications
- Collaborative and international engineering culture
- Exposure to both iOS and potential cross-platform (Android) development
- Long-term project stability with ongoing development roadmap
- Office-based role in Tokyo with structured working hours
To apply online please click the 'Apply' button below. For a confidential discussion about this role please contact Serena Wu on +81 3 6627 6137.
General Requirements
| Minimum Experience Level | No experience |
| Career Level | Mid Career |
| Minimum English Level | Fluent |
| Minimum Japanese Level | Daily Conversation |
| Minimum Education Level | Bachelor's Degree |
| Visa Status | Permission to work in Japan required |
Required Skills
- Bachelor's degree in Computer Science, Engineering, or related field
- 6+ years of software development experience with strong iOS expertise
- Minimum 4 years of hands-on Swift development
- Proven experience delivering and publishing iOS applications
- Strong knowledge of MVVM architecture
- Experience with CocoaPods, Swift Package Manager
- Proficiency with Git-based version control systems
- Experience integrating REST APIs and handling JSON data
- Familiarity with unit testing frameworks and CI/CD practices
- Strong understanding of the mobile development lifecycle
- Business-level English proficiency
- Ability to collaborate in an international team environment
- Experience with push notifications and cloud messaging APIs
- Understanding of Apple design principles and UI guidelines
- Strong problem-solving ability and attention to detail
- Basic Japanese reading skills
Job Location
- Tokyo - 23 Wards
Work Conditions
| Job Type | Temporary |
| Salary | 6 million yen ~ 8 million yen |
| Industry | Software |
