Senior Mobile Systems Engineer — Wearables & Backend

Apex Systems; Burlingame (CA); On-site; USD 109,000 - 123,000; Full time

Benefits offered by this job

Medical coverage

401K with company match

ESPP

HSA and EAP

Job summary

Everforth Apex is seeking a Senior Mobile Systems Engineer to design and implement software spanning wearable devices, iOS and Android apps, and distributed backends. The role emphasizes performance, reliability, and scalable architecture, requiring strong concurrency management and system design skills.

You will collaborate across teams to optimize latency and memory usage in an onsite California environment.

Qualifications

• 10+ years of professional experience required (7+ years considered with preferred skills).
• Proficiency in mobile development using Kotlin or Swift with distributed backends.
• Strong understanding of multithreaded, event-driven systems and concurrency.

Responsibilities

• Design and implement software systems spanning wearables, iOS/Android apps, and distributed backends.
• Optimize CPU, memory, latency, and reliability.
• Debug race conditions and concurrency issues.
• Collaborate effectively with team members using strong communication skills.

Skills

Kotlin/Swift

Distributed backend

Concurrency

System design

Tools

C++/Rust

Multithreading

Job description

Everforth Apex is seeking a Senior Mobile Systems Engineer to design and implement software spanning wearable devices, iOS and Android apps, and distributed backends. The role emphasizes performance, reliability, and scalable architecture, requiring strong concurrency management and system design skills.

You will collaborate across teams to optimize latency and memory usage in an onsite California environment.