JOB DESCRIPTION   

We are looking for a Mobile Engineer (iOS/macOS) to build secure and scalable applications, focusing on end-to-end encrypted storage, identity platform, and AI-powered solutions.

• Build modern UI with SwiftUI and reactive programming using Combine  
• Implement MVVM/Clean Architecture and modular design using Swift Package Manager  
• Develop secure systems with end-to-end encryption and authentication flows (OAuth2, PKCE, SSO)  
• Work with Keychain Services, App Groups, File Provider Extensions  
• Integrate advanced cryptography (AES-256-GCM, post-quantum ML-KEM/ML-DSA)  
• Collaborate with cross-functional teams to define, design, and deliver product features  
• Troubleshoot, debug, and improve existing systems  
• Participate in code reviews and ensure code quality & best practices 
• Design, develop, test, and deploy native iOS/macOS applications using Swift  

REQUIRED SKILLS AND EXPERIENCE

• MUST be familiar with AI-powered coding assistant tools and use them daily
• Bachelor’s degree in computer science, Software Engineering or related field
• Proven experience as a Software Engineer or similar role
  o Middle: 2+ years
  o Senior: 5+ years
• Strong experience in iOS/macOS development with Swift
• Experience with Swift UI, Combine, UIKit/ AppKit
• Experience working with Core Data, SQLite/ SQLCipher
• Hands-on experience with Keychain Services, App Groups, File Provider Extensions
• Solid understanding of mobile security & cryptography (AES, secure key management)
• Experience implementing authentication flows (OAuth2, PKCE, SSO)
• Good understanding of system design and performance optimization
• Experience with Agile/Scrum methodologies
• Knowledge of software testing and quality assurance
• Familiarity with security best practices
• Strong problem-solving and communication skills
• Experience working on security-focused or encrypted systems is a plus
• Knowledge of zero-knowledge principles is a plus
• Experience with distributed systems or cloud-native architecture is a plus
• Familiarity with AI-powered applications is a plus
• Strong foundation in algorithms and system design
• Experience in architecture design and cloud services (AWS, Azure, GCP)
• Performance optimization mindset and hands-on experience
• Good understanding of UI/UX principles
• Proactive in technical discussions and ownership of tasks
• Senior Scope (Additional):
• Experience in architecture design and cloud services (AWS, Azure, GCP)
• Strong foundation in algorithms and system design
• Good understanding of UI/UX principles
• Proactive in technical discussions with strong ownership of tasks
• Performance optimization mindset with hands-on experienc

BENEFIT 

• Salary: Negotiate
• Probation salary is 100% of the official salary
• 13th-month salary and performance review twice a year
• Bonus for special occasions each year (Labor Day, National Day, Solar New year, Lunar New Year)
• Project bonus
• Employee’s professional certification and training allowances are subject to company regulations
• Health Care Insurance
• Annual Health Assessment
• Social, health and unemployment insurance following government policy
• Enjoy company summer trips and other team-building activities held monthly and quarterly
• Professional, creative and dynamic working environment
• Work five days per week with a flexible check-in time

CONTACT:

• Send CV to: tuyendung@gem-corp.tech
• Hotline: +842466666100 (Recruitment Team)
• Facebook GEM Careers: https://www.facebook.com/tuyendungGEM
• LinkedIn GEM Careers: https://www.linkedin.com/company/gem-careers-hiring/