IOS Application Engineer | Japan Jobs | Fidel Consulting KK

IOS Application Engineer

Job Id : 9749
Posted : 2026-03-06
Industry : Telecommunications
Employment Type : Full Time, Permanent
Required Skills : English 2, iOS Development, Product Manager, WebRTC, Agile , iOS ecosystem, software development, Web services
City : Tokyo
State : Tokyo
Country : Japan
Annual Salary : ¥5,000,000 ~ ¥7,000,000

Job Description

Appealing Points

  • Opportunity to Work on Cutting-Edge iOS Development: Build high-quality mobile applications using Objective-C/Swift and WebRTC, focusing on usability and user experience.
  • Global Collaborative Environment: Work closely with product managers, tech leads, and offshore teams in an agile setup, developing robust end-to-end features.
  • Quality-Driven Engineering Culture: Embrace code reviews, unit testing, and continuous improvement to deliver reliable, maintainable, and scalable software.

Annual Salary: 5 Million yen and above

Responsibilities:

  • Work closely with Product Managers, Tech leads to flesh out details and execute on requirements, with a keen eye towards quality.
  • Work with offshore and backend teams to develop robust end-to-end features. Write unit tests for ensuring code quality.
  • Focus on improving the usability and accessibility of the application, ensuring a smooth and engaging user experience.
  • Analyze product specifications and requirements, providing valuable feedback to enhance functionality and user experience.
  • Conduct peer code reviews to maintain code quality and share knowledge with team members.

Job Qualifications:

  • Bachelor’s degree in computer science or related technical discipline
  • Experience (5 to 7 years) with iOS Development in Objective-C/Swift.
  • Experience (3 to 5 years) with WebRTC.
  • Experience with iOS frameworks Experience in mobile design patterns (MVVM, MVC, Redux)
  • Knowledge of professional software engineering practices and best practices for full software development life cycle, including coding standards, code reviews, source control management, continuous deployments, testing and operations
  • Good understanding of Web services and SOA related standards like REST/JSON
  • Knowledge of open-source and commercial libraries commonly used in the iOS ecosystem (Alamo fire, …)
  • Strong passion for code quality and not allergic to unit tests
  • Comfortable working in an Agile environment
  • Be eager to help your teammates, share your knowledge with them, and learn from them.
  • Be open to receiving constructive feedback.

Preferred qualification:

  • Worked end to end on WebRTC based commercial application.
  • Knowledge of SIP.
  • Published iOS Apps on App Store.
  • Experience in mobile design patterns.
  • Building mobile frameworks / SDKs.
  • Experience with functional programming using Rx.
  • Experience with CI/CD pipelines and automated deployment processes

Languages:

  • English (Overall - 3 - Advanced)

About Company 

The largest eCommerce company in Japan, and the third-largest eCommerce marketplace company worldwide. The organization provides a variety of consumer and business-focused services including e-commerce, e-reading, travel, banking, securities, credit card, e-money, portal and media, online marketing, and professional sports.  The company is expanding globally and currently has operations throughout Asia, Western Europe, and the Americas. 

[Measures against passive smoking]
No smoking indoors allowed
Designated smoking area


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