Title: Senior Mobile Systems Engineer
Location: Onsite (Burlingame, Sunnyvale, MPK or NYC)
Duration: 12 months
Compensation: $59 – $79
Work Requirements: US Citizen, GC Holders or Authorized to Work in the U.S.

Senior Mobile Systems Engineer
 
Summary

• Design and develop software systems connecting iOS/Android mobile applications, wearable devices, and distributed backend services.
• Build high-performance mobile applications using Kotlin or Swift, with a strong focus on asynchronous and concurrent programming.
• Troubleshoot complex multithreading issues, including race conditions, deadlocks, thread safety, and resource ownership.
• Optimize CPU utilization, memory consumption, latency, and overall system reliability.
• Design scalable client-server architectures and improve software performance across interconnected systems.
• Collaborate with engineering teams to deliver reliable software solutions for company wearable technology ecosystem.

 
Must-Have Skills

• Kotlin or Swift
• iOS / Android Mobile Development
• Client-Server Architecture
• Distributed Backend Systems
• Asynchronous Programming
• Multithreading & Concurrency
• Race Conditions, Deadlocks & Thread Safety
• Memory Management & Resource Ownership
• System Architecture & Design
• Performance Optimization (CPU, Memory, Latency & Reliability)

 
Nice-to-Have Skills

• Wearable Device Development
• Smart Glasses / Smartwatches / Mixed Reality Headsets
• C++ or Rust
• Systems Programming
• AI / Machine Learning Engineering
• LLM Prompt Tuning
• LLM Evaluation
• AI Tool Calling
• Agentic AI Workflows

 
 
 
Our benefits package includes:

• Comprehensive medical benefits
• Competitive pay
• 401(k) Retirement plan
• …and much more!

 
About INSPYR Solutions

Technology is our focus and quality is our commitment. As a national expert in delivering flexible technology and talent solutions, we strategically align industry and technical expertise with our clients' business objectives and cultural needs. Our solutions are tailored to each client and include a wide variety of professional services, project, and talent solutions. By always striving for excellence and focusing on the human aspect of our business, we work seamlessly with our talent and clients to match the right solutions to the right opportunities. Learn more about us at inspyrsolutions.com.
 
INSPYR Solutions provides Equal Employment Opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics. In addition to federal law requirements, INSPYR Solutions complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities.

INSPYR Solutions provides Equal Employment Opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, genetics, or any other protected status. INSPYR Solutions complies with all applicable laws governing nondiscrimination in employment in every location in which the company has facilities. Applicants requiring reasonable accommodation during the application or interview process should contact HR@inspyrsolutions.com for assistance.

Information collected and processed through your application with INSPYR Solutions (including any job applications you choose to submit) is subject to INSPYR Solutions' Privacy Policy and INSPYR Solutions' AI and Automated Employment Decision Tool Policy: https://www.inspyrsolutions.com/policies/. By submitting an application, you are consenting to being contacted by INSPYR Solutions through phone, email, or text.

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