Remote iOS Performance Engineer - Fast, Efficient Apps

BairesDev; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

100% remote

USD or local currency

Hardware provided

Flexible hours

Paid time off and holidays

Multicultural environment

Mentorship and growth

Job summary

BairesDev is hiring a Mobile Performance Engineer (iOS) to optimize startup time, memory, and UI responsiveness for iOS apps. You will work remotely with global teams to drive performance improvements across Swift code and system frameworks.

Ideal candidates have 4+ years in mobile or performance engineering, strong Swift and Xcode Instruments skills, and excellence in English. This role offers 100% remote work with flexible hours and competitive USD-based compensation.

Qualifications

• 4+ years in software engineering, mobile development, or performance engineering.
• Proven expertise in optimizing iOS performance (memory/battery).
• Proficiency with Xcode Instruments for profiling.
• Strong Swift and iOS internals.
• Excellent English skills.

Responsibilities

• Analyze and optimize iOS startup time and scrolling performance.
• Monitor and reduce memory usage and battery consumption with profiling tools.
• Identify and resolve performance regressions in Swift and system frameworks.
• Collaborate with teams to implement best practices for resource management.
• Design and execute performance tests to catch regressions before production.

Skills

iOS performance

Swift programming

Xcode Instruments

Memory management

Battery optimization

Profiling tools

English proficiency

Startup optimization

Tools

Xcode Instruments

Job description

BairesDev is hiring a Mobile Performance Engineer (iOS) to optimize startup time, memory, and UI responsiveness for iOS apps. You will work remotely with global teams to drive performance improvements across Swift code and system frameworks.

Ideal candidates have 4+ years in mobile or performance engineering, strong Swift and Xcode Instruments skills, and excellence in English. This role offers 100% remote work with flexible hours and competitive USD-based compensation.