Senior Mobile Systems Engineer (Kotlin/Swift, Wearables)

Spectraforce Technologies, Inc.; Burlingame (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

Spectraforce Technologies, Inc. seeks aSenior Mobile Systems Engineer to lead mobile product development across iOS/Android and distributed backends. The role focuses on Kotlin/Swift, concurrency, and system-wide performance optimizations, with emphasis on memory management and reliability.

Experience with wearable integrations and AOSP is a plus. Ideal candidates will have extensive hands-on architecture design skills, strong problem-solving abilities, and excellent communication.

Qualifications

• Must have mobile experience in Kotlin/Swift with distributed backends.
• Strong concurrency/async programming capabilities.
• Expertise in system design, performance and reliability.
• Experience with memory management and race conditions.
• AOSP experience is a plus.

Responsibilities

• Design and implement software across wearable devices, iOS/Android apps, and distributed backend services.
• Improve memory usage, latency, and system reliability.
• Debug race conditions and thread-safety issues.
• Collaborate with teams and communicate clearly, both verbally and in writing.
• Optimize CPU/memory usage and performance in complex systems.

Skills

Kotlin/Swift

Async/Concurrency

System design

Memory management

AOSP

Communication skills

C++/Rust

Tools

Distributed backends

Job description

Spectraforce Technologies, Inc. seeks aSenior Mobile Systems Engineer to lead mobile product development across iOS/Android and distributed backends. The role focuses on Kotlin/Swift, concurrency, and system-wide performance optimizations, with emphasis on memory management and reliability.

Experience with wearable integrations and AOSP is a plus. Ideal candidates will have extensive hands-on architecture design skills, strong problem-solving abilities, and excellent communication.