{"id":2184430,"url":"https://alion.io/job/inspyr-solutions-website-software-engineer-v","title":"Software Engineer V","company":{"id":3872763,"name":"INSPYR Solutions","domain":"inspyrsolutions.com","url":"https://alion.io/company/inspyr-solutions","size_band":null,"is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":{"grade":"B","score":75,"open_postings":126,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":25,"computed_at":"2026-10-12T06:55:09Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Burlingame, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":139000,"max_usd":255000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":3030},"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Kotlin","optional":false},{"name":"Rust","optional":false},{"name":"Swift","optional":false},{"name":"AI Agents","optional":true},{"name":"Function Calling","optional":true},{"name":"LLM","optional":true},{"name":"Tool Use","optional":true}],"status":"live","first_seen_at":"2026-09-08T00:00:00Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-10T23:38:38Z","board_verified":true,"closed_at":null,"days_open":34,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":34},"description":"Title: Senior Mobile Systems EngineerLocation: Onsite (Burlingame, Sunnyvale, MPK or NYC)\nDuration: 12 months\nCompensation: $59 - $79\nWork Requirements: US Citizen, GC Holders or Authorized to Work in the U.S.\nSenior Mobile Systems Engineer\nDescription:\nSummary\nDesign and implement systems spanning iOS/Android mobile apps, wearable devices, and distributed backend services.\nDevelop mobile software primarily using Kotlin and/or Swift.\nDesign and troubleshoot multithreaded, asynchronous and event-driven systems.\nDebug complex race conditions, thread-safety issues, deadlocks and concurrency problems.\nOptimize CPU, memory, latency, resource ownership and overall system reliability.\nWork across client/server boundaries, with wearables, C++/Rust and AI/ML engineering as additional advantages.\nMust-Have Skills\n7-10+ Years Software Engineering Experience\nKotlin and/or Swift\nMobile Product Development - iOS/Android\nClient-Server / Distributed Backend Systems\nConcurrency & Multithreading\nAsync / Event-Driven Programming\nSystems Architecture & Design\nMemory Management & Resource Ownership\nPerformance Optimization - CPU, Memory & Latency\nSystem Reliability & Complex Debugging\nNice-to-Have Skills\nWearable Device Development\nSmart Glasses / Smart Watches / MR Headsets\nC++\nRust\nSystems Programming\nAI/ML Engineering\nLLM Prompt Tuning\nLLM Evaluation\nTool Calling\nAI Agent Workflows\nOur benefits package includes:\nComprehensive medical benefits\nCompetitive pay\n401(k) Retirement plan\n…and much more!\nAbout INSPYR Solutions\nTechnology 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.\nINSPYR 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.\nINSPYR 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  for assistance.\nInformation 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/. 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