Senior iOS Engineer: Objective-C & High-Performance AI-Driven Apps

Jobtailor; California (MO); On-site; USD 120,000 - 180,000; Full time

Job summary

Jobtailor is seeking an experienced iOS engineer to create and refine high-performance mobile apps with a focus on Objective-C, multithreading, and performance optimization. You will contribute to architecture decisions and collaborate with design teams to deliver production-ready software.

Strong AI tooling experience is highly valued. Preference given to those with Swift, C/C++, and Metal or OpenGL experience.

Qualifications

• Bachelor's Degree in Computer Science or equivalent practical experience.
• 6+ years of post-Bachelor’s software development experience, or Master’s plus 5+, or PhD plus 2+ years.
• Experience with iOS application development.
• Understanding of the Objective-C Runtime and underlying processes.
• Knowledge of OS internals, compilers, and optimization for mobile systems.
• Proficiency with multithreading and performance optimization for iOS.
• Strong CS fundamentals in algorithms and data structures.
• Knowledge of software design patterns and iOS best practices.
• Proficiency or strong aptitude for AI tools and auditing generated output for architecture, performance, and security.
• Adaptability in learning and applying evolving AI systems and tools.
• Preferred: Objective-C and iOS experience.
• Preferred: Swift
• Preferred: C/C++
• Preferred: OpenGL or Metal

Responsibilities

• Create and refine high-performance mobile apps.
• Build stable, smoothly running products.
• Design, architect, and implement well-tested Objective-C software powering Snapchat camera experiences.
• Conceptualize, develop, and launch new features.
• Evaluate technical tradeoffs.
• Work with the Design team on UI and infrastructure practices.
• Conduct code reviews.
• Use AI tools and high-velocity engineering workflows to design and ship scalable services while maintaining code correctness, security, and production-ready quality.

Skills

iOS development

Objective-C Runtime

Multithreading

Performance optimization

AI tools proficiency

Software design patterns

Swift

C/C++

OpenGL or Metal

Adaptability to AI systems

Education

Bachelor's Degree in Computer Science

Tools

OpenGL

Metal

Job description

Jobtailor is seeking an experienced iOS engineer to create and refine high-performance mobile apps with a focus on Objective-C, multithreading, and performance optimization. You will contribute to architecture decisions and collaborate with design teams to deliver production-ready software.

Strong AI tooling experience is highly valued. Preference given to those with Swift, C/C++, and Metal or OpenGL experience.