Software Engineer V

• Senior Mobile Systems Engineer Spectraforce Technologies United States, California, Burlingame Sep 09, 2026
  

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)