Remote iOS Performance Engineer - Optimize Startup

BairesDev; United States; Remote; CLP 50,220,000 - 72,540,000; Full time

Benefits offered by this job

Remote work

USD compensation

Home office setup provided

Flexible hours

Parental leave & holidays

Global mentorship & growth

Job summary

BairesDev, a fully remote technology leader, seeks a Mobile Performance Engineer (iOS) to optimize startup time, memory and battery usage, and overall app performance. You will analyze Swift code, use Xcode Instruments, and collaborate with global teams to deliver fast, efficient iOS experiences.

Join a 100% remote role offering flexible hours, competitive USD or local currency compensation, home setup, and ongoing mentorship in a multicultural environment.

Qualifications

• 4+ years of experience in Software Engineering, Mobile Development, or Performance Engineering.
• Proven expertise in optimizing iOS application performance, including memory and battery consumption.
• Proficiency in using Xcode Instruments for profiling and identifying performance bottlenecks.
• Strong background in Swift development and iOS system internals.
• Hands-on experience improving startup times and UI responsiveness for mobile applications.
• Advanced proficiency in English.

Responsibilities

• Analyze and optimize iOS application startup time and scrolling performance to ensure a seamless user experience.
• Monitor and reduce memory usage and battery consumption using Xcode Instruments and other profiling tools.
• Identify and resolve complex performance regressions through deep-dive analysis of Swift code and system frameworks.
• Collaborate with development teams to implement best practices for resource management and efficient coding.
• Design and execute performance testing strategies to proactively catch regressions before they reach production.

Skills

Swift development

iOS performance

Instruments profiling

Memory optimization

Battery optimization

Startup time

English proficiency

Tools

Xcode

Job description

BairesDev, a fully remote technology leader, seeks a Mobile Performance Engineer (iOS) to optimize startup time, memory and battery usage, and overall app performance. You will analyze Swift code, use Xcode Instruments, and collaborate with global teams to deliver fast, efficient iOS experiences.

Join a 100% remote role offering flexible hours, competitive USD or local currency compensation, home setup, and ongoing mentorship in a multicultural environment.