Senior iOS Engineer — SwiftUI, Performance & Architecture

Quantum Technologies. LLC; Menlo Park (CA); On-site; USD 180,000 - 270,000; Full time

Job summary

Quantum Technologies. LLC in Menlo Park, CA is seeking senior iOS developers for an onsite role (minimum 3 days/week). You will architect and build robust iOS apps using Swift and SwiftUI, focusing on performance, reliability, and scalable design.

Ideal candidates understand Apple frameworks, profiling, and concurrency, and will mentor others while leveraging AI tools to speed up development. Strong English communication is required.

Qualifications

• Bachelor's degree or equivalent practical experience.
• Strong written and verbal communication skills in English.
• Onsite in Menlo Park, CA (minimum 3 days a week).

Responsibilities

• Architect and build robust, scalable iOS applications using Swift and SwiftUI.
• Write clean, testable, maintainable code with emphasis on performance and reliability.
• Dive deep into Apple APIs (Local Authentication, Common Crypto, etc.).
• Optimize performance using profiling tools and concurrency strategies.
• Mentor developers and shape technical culture.
• Use AI tools to accelerate development.

Skills

Swift

SwiftUI

iOS development

Performance optimization

Architecture design

Apple APIs

Code quality

Education

BA/BS in Computer Science

Tools

Local Authentication

Common Crypto

Profiling tools

Concurrency

Job description

Quantum Technologies. LLC in Menlo Park, CA is seeking senior iOS developers for an onsite role (minimum 3 days/week). You will architect and build robust iOS apps using Swift and SwiftUI, focusing on performance, reliability, and scalable design.

Ideal candidates understand Apple frameworks, profiling, and concurrency, and will mentor others while leveraging AI tools to speed up development. Strong English communication is required.