Mobile Performance Engineer (iOS) - Remote Work | REF#304706

BairesDev; United States; Remote; MXN 420,000 - 660,000; Full time

Benefits offered by this job

100% remote work

Competitive USD compensation

Home office setup provided

Flexible hours

Parental leave and holidays

Global, multicultural team

Mentorship and career growth

Job summary

BairesDev is hiring a Mobile Performance Engineer (iOS) to optimize startup time, memory, and battery efficiency across iOS apps. You will leverage Swift and Xcode Instruments to identify bottlenecks and drive improvements in UI responsiveness, collaborating with cross‑functional teams.

The role offers a fully remote setup with flexible hours. English proficiency is required, and you will join a global team delivering high‑quality mobile experiences.

Qualifications

• 4+ years in Software Engineering, Mobile Development, or Performance Engineering.
• Proven expertise in optimizing iOS performance, including memory and battery usage.
• Proficiency with Xcode Instruments for profiling.
• Strong Swift and iOS internals knowledge.
• Experience improving startup times and UI responsiveness.

Responsibilities

• Analyze and optimize iOS application startup time and scrolling performance.
• Monitor and reduce memory usage and battery consumption using profiling tools.
• Identify and resolve performance regressions through deep-dive Swift analysis.
• Collaborate with development teams to implement resource management best practices.
• Design and execute performance testing strategies to catch regressions early.

Skills

iOS performance optimization

Swift language

UI responsiveness improvements

Battery and memory profiling

English proficiency

Tools

Xcode Instruments

Job description

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

Mobile Performance Engineer (iOS) at BairesDev

As a Mobile Performance Engineer (iOS), you will focus on optimizing the efficiency and responsiveness of iOS applications. You will ensure a high-quality user experience by identifying and resolving performance bottlenecks related to memory, battery life, and interface fluidity.

What You’ll Do

• 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.

What We Are Looking For

• 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.

How we do make your work (and your life) easier:

• 100% remote work (from anywhere).
• Excellent compensation in USD or your local currency if preferred
• Hardware and software setup for you to work from home.
• Flexible hours: create your own schedule.
• Paid parental leaves, vacations, and national holidays.
• Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
• Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Join a global team where your unique talents can truly thrive and make a significant impact!