【日商樂天】iOS Engineers / Android Engineers (Mid - Senior) (DU)

We're looking for talented iOS and Android Engineers (Senior or Intermediate levels) to join our dynamic team in the e-commerce space. As part of a globally recognized brand, you'll help shape the future of mobile shopping experiences while collaborating with our core service mobile app team based in Japan.

【Key Responsibilities】

• Drive feature development while collaborating with cross-functional international teams
• Own the full software development lifecycle from planning to optimization
• Lead code reviews and share knowledge within our diverse technical community
• Apply cutting-edge mobile technologies to solve real-world challenges
• Shape architecture decisions in a global context that enhances your technical growth
  

【Team Culture & Environment】

• International working environment with team members across different countries and cultures
• Supportive work environment with emphasis on innovation
• Applications with real impact in the e-commerce space
• Freedom to explore cutting-edge technologies
• Fast-paced culture that embraces new challenges
• Being part of a recognized leader in the globally e-commerce industry

【Technical Requirements】

iOS Engineer:

• 3+ years of mobile engineering experience
• Strong experience with Swift, SwiftUI, and UIKit
• Experience with Swift Concurrency (async/await)
• Deep understanding of iOS app architecture and performance optimization
• Ability to create responsive, intuitive UI components

Android Engineer:

• 3+ years of mobile engineering experience
• Proficiency in Kotlin and Jetpack Compose
• Strong experience with Coroutines for asynchronous programming
• Experience with Android Architecture Components (ViewModel, LiveData, Room)
• Understanding of state management and UI architecture
  
  

【Professional Requirements】

• Bachelor's degree in Computer Science or related field (or equivalent experience)
• Strong understanding of software design patterns and code optimization techniques
• Excellent problem-solving, analytical, and debugging skills
• Ability to take initiative and drive projects independently
• Basic English communication skills sufficient for technical discussions and status reporting
• Ability to work effectively with international teams and diverse cultures
  
  

【Preferred Qualifications】

• Experience with MVVM or other scalable architecture patterns
• Familiarity with mobile security best practices
• Experience with unit test and CI/CD practices
• Previous experience working in an international team environment

Note: We welcome candidates with basic English proficiency for technical discussions and updates. Our international team environment offers a supportive space to grow your language skills while you contribute your technical expertise - creating growth opportunities for you personally and strengthening our diverse team.

If you're passionate about mobile development, enjoy tackling interesting technical challenges, and are excited about working in an international environment, we'd love to hear from you!