Senior iOS Engineer - Lead High-Impact Consumer Apps

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.