Middle iOS Engineer

We are seeking a Middle iOS Engineer in Vietnam to follow iOS architecture standards and ship secure, high-quality apps at scale. You will build and test across simulators and devices, help improve performance and reliability, and contribute to cross-team initiatives. You will partner with global teams to deliver modern iOS experiences in a fast-paced Agile setup.

Responsibilities

• Implement iOS features across modules, data flow and dependency boundaries in line with established architecture
• Contribute to initiatives including offline sync, payments, accessibility, security and performance improvements
• Follow platform standards for coding conventions, linting, testing strategy and release practices
• Support observability by instrumenting metrics and crash analytics, and help investigate incidents to reduce risk
• Participate in code and design reviews, and share knowledge with peers
• Collaborate with Back-end, Data and Product teams on platform-wide technical concerns
• Apply privacy, data retention, encryption and permissions requirements for compliant delivery

Requirements

• Solid Swift proficiency including async/await, concurrency patterns and production-ready application design
• Working knowledge of architecture patterns such as MVVM, The Composable Architecture (TCA) or Clean Architecture
• Understanding of iOS runtime and performance, including memory behavior and Instruments profiling
• Familiarity with security and privacy practices including Keychain, Secure Enclave, encrypted storage and transport security
• Experience shipping stable iOS applications with moderately complex user flows
• Ability to follow and help maintain standards for testing, releases and long-term maintainability
• Experience contributing to cross-team initiatives from design through rollout

Nice to have

• Exposure to Swift macros, custom tooling or build system improvements
• Open-source contributions or participation in developer communities
• Experience working on multi-squad technical programs