Description Position Summary We are looking for a Senior Software Engineer with deep experience in Android OS and AOSP platform engineering. In this role you will own and enhance a customized Android 5-based operating system used within a Class III medical device. You will customize and harden the OS improve system performance integrate hardware components and ensure the platform meets strict medical device cybersecurity and regulatory requirements. This role requires strong Android platform experience-not just app development-and includes work across OS frameworks kernel BSP HAL and systemlevel validation. Key Responsibilities - Update and modify Android OS version 5 to address security issues and compliance needs. - Customize and maintain an AOSP fork including frameworks system services and configuration. - Apply OSlevel patches and security settings aligned with FDA and EU cybersecurity guidance. - Integrate BSPs HALs vendor patches and hardware drivers with the Android platform. - Perform board bringup UBoot device tree kernel integration. - Conduct lowlevel debugging using UART JTAG and similar tools. - Modify Linux kernel components and device drivers when required. - Improve system performance resource usage and interprocess communication Binder/AIDL. - Use systemlevel profiling tools to identify and fix issues. - Fix OS and kernellevel vulnerabilities and Reduce OS/kernel attack surfaces. - Implement OTA update mechanisms. - Support cybersecurity risk analysis and threat modeling. - Perform OSlevel verification and validation following IEC 62304. - Support risk management efforts aligned with ISO 14971. - Participate in audits and reviews to maintain regulatory compliance. - Work with app developers to ensure compatibility. - Partner with cybersecurity system engineering and quality teams. - Create and maintain architecture docs test plans and traceability matrices. - Ensure documentation is complete and auditready. Skills android, medical device, software engineering, android development, android os, android framework, android platform, c/c++, c++, linux Top Skills Details android,medical device,software engineering Additional Skills & Qualifications Required Qualifications - Bachelors or Masters degree in Computer Engineering Computer Science Electrical Engineering or related field. - 7 years of software engineering experience. - 3 years working with Android OS / AOSP. - Strong experience with AOSP builds Android frameworks and kernel modification. - Solid understanding of Linux internals and embedded systems. - Experience in regulated environments. - Knowledge of IEC 62304 ISO 14971 and related standards. - Familiarity with cybersecurity risk assessment and vulnerability remediation. Preferred Qualifications - Experience with legacy Android Android 5. Experience Level Intermediate Level Job Type & Location This is a Contract position based out of Irvine, CA. Pay and Benefits The pay range for this position is $55.00 - $62.00/hr. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: • Medical, dental & vision • Critical Illness, Accident, and Hospital • 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available • Life Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term disability • Health Spending Account (HSA) • Transportation benefits • Employee Assistance Program • Time Off/Leave (PTO, Vacation or Sick Leave) Workplace Type This is a fully onsite position in Irvine,CA. Application Deadline This position is anticipated to close on Feb 9, 2026. About Actalent Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 30,000 consultants and more than 4,500 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing due to a disability, please email actalentaccommodation@actalentservices.com (%20actalentaccommodation@actalentservices.com) for other accommodation options.