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 
 
At SPECTRAFORCE, we are committed to maintaining a workplace that ensures fair compensation and wage transparency in adherence with all applicable state and local laws. This position's pay range is $85.00/hr - $95.00/hr.