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Software Engineer V - Senior Mobile Systems Engineer

Job in Burlingame, San Mateo County, California, 94012, USA
Listing for: Spectraforce Technologies
Full Time position
Listed on 2026-09-12
Job specializations:
  • Software Development
    Software Engineer, Senior Developer
Salary/Wage Range or Industry Benchmark: 150000 - 210000 USD Yearly USD 150000.00 210000.00 YEAR
Job Description & How to Apply Below

Job Title: Software Engineer V
- Senior Mobile Systems Engineer

Duration: 06 Months (Possible extension)

Location: Burlingame, Sunnyvale, MPK (CA) or NYC, NY

Summary:
  • The client is looking for a Senior Mobile Systems Engineer with client-server experiences
Must-Have HARD

Skills:
  • Mobile
    - Experience building mobile products in Kotlin/Swift with distributed backends
  • Concurrency & Async
    - Experience in multithreaded, event-driven systems
  • System Engineering
    - Architecture design, performance optimization, system reliability improvements
Nice-to-have

Skills:
  • Wearables
    - Experience building wearable products (glasses, watches, MR headsets, etc)
  • C++/Rust:
    Proficient system programming in either programming language
  • AI/ML Engineering - LLM prompt tuning, evaluation, tool calling, and agent workflows
Years of

Experience:
  • 10+ years 7+ with NTH skills, open to considering
Key Projects/Day-to-Day Responsibilities:
  • Proficient in Kotlin or Swift, async programming
  • Design and implement software systems spanning wearable devices, IOS/Android mobile applications, and distributed backend services
  • Strong understanding of memory management, resource ownership, race conditions and deadlock preventions
  • Debug race conditions, thread-safety issues, and complex concurrency issues
  • Optimize CPU, memory, latency and system reliabilities
  • Verbal and written comms skills
Interview Process:
  • How many rounds of interviews: 2 rounds
  • Types of Interviews: behavioral, technical, presentation, etc. (45 mins each Mainly technical and some behavioral)
Are there any immediate disqualifiers or red flags that stand out:

Short tenure - less than 1 year

Position Requirements
10+ Years work experience
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