Senior Android (Kotlin) Engineer — Digital Signage / Embedded Media Platform (Contract) Job Title: Contract Senior Android (Kotlin) Engineer — Digital Signage / Embedded Media Platform Work Location: Remote, must be US based Reports to: Chief Architect Employment Type: 1099 Contract, 20 - 40 hours per week Salary: $100/hour Summary: We're building a digital signage platform that runs across Android, webOS, and Tizen devices, and we need a senior Android engineer with real embedded/signage experience to help us level it up. This is a 20-40 hour a week 1099 contract role. This role is not a full time opportunity at this time. The Work: Media playback, device management, content delivery, and platform reliability across a fleet of long-running devices. This is device platform engineering, not mobile app development. If you've built signage or smart TV software at scale — especially on signageos.io — please mention it up front in your proposal. Must-have Experience: - Strong Android development in Kotlin - Experience building for digital signage, smart TV, streaming devices, kiosks, or similar embedded media platforms - Comfort with concurrency, async, multithreading, and debugging race conditions and memory issues - Experience building for 24/7 device uptime Nice to Have: - Experience with the signageos.io platform - Android SoC work (Amlogic, Rockchip, Qualcomm, MediaTek) - Media3 / ExoPlayer, hardware decoders, video playback pipelines webOS or Tizen - MDM / fleet management, MQTT - Performance tuning on constrained hardware

Role Description We are seeking an experienced and highly skilled Staff Mobile Engineer to lead the design, development, and optimization of scalable mobile applications across iOS and Android platforms. As a senior technical leader, you will drive mobile architecture decisions, establish engineering best practices, mentor development teams, and collaborate closely with product managers, designers, and stakeholders to deliver exceptional mobile experiences. The ideal candidate possesses deep expertise in native and cross-platform mobile development, software architecture, performance optimization, and modern mobile technologies. This role requires strong technical leadership, strategic thinking, and the ability to influence engineering direction across multiple teams and products. - Lead the architecture, design, and development of high-performance mobile applications for iOS and Android platforms. - Establish and maintain mobile engineering standards, coding practices, and architectural guidelines to ensure scalability, security, maintainability, and performance. - Collaborate with product, design, and engineering teams to translate business requirements into technical solutions. - Drive technical decision-making for mobile platforms, frameworks, integrations, and infrastructure. - Review code, provide technical mentorship, and support the professional development of engineering team members. - Identify and resolve complex technical challenges while ensuring high application reliability and user experience. - Optimize application performance, security, accessibility, and scalability. - Implement automated testing, CI/CD pipelines, monitoring solutions, and release management processes. - Evaluate emerging mobile technologies and recommend improvements that support long-term business objectives. - Partner with cross-functional stakeholders to define technical roadmaps and support successful product delivery. - Contribute to strategic planning and innovation initiatives that advance the organization's mobile technology capabilities. Qualifications - Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience. - Minimum of 8 years of professional software engineering experience, including at least 5 years focused on mobile application development. - Strong expertise in iOS development using Swift and SwiftUI and/or Android development using Kotlin and Jetpack Compose. - Experience with cross-platform frameworks such as Flutter or React Native. - Deep understanding of mobile architecture patterns, API integrations, cloud services, mobile security, performance optimization, and software design principles. - Experience building and deploying enterprise-scale consumer or business applications. - Proficiency with Git, CI/CD tools, automated testing frameworks, and Agile development methodologies. - Excellent problem-solving, leadership, communication, and collaboration skills. Preferred Qualifications - Master's degree in Computer Science or a related discipline. - Experience leading distributed engineering teams and large-scale mobile initiatives. - Expertise with cloud platforms, mobile analytics, observability tools, and backend integrations. - Experience in fintech, healthcare, e-commerce, SaaS, or consumer technology environments is highly desirable. - Knowledge of accessibility standards, mobile security best practices, AI-powered mobile features, and modern DevOps practices. - Previous experience as a Technical Lead, Principal Engineer, or Staff Engineer is preferred. Compensation - Annual Salary: $190,000 – $270,000 per year - Hourly Rate: $91 – $130 per hour - Compensation will be determined based on experience, technical expertise, leadership experience, geographic location, and overall qualifications. - Eligible employees may also receive annual bonuses, stock options, restricted stock units (RSUs), profit-sharing opportunities, and additional incentive compensation. Benefits - Comprehensive medical, dental, and vision insurance coverage. - Employer-sponsored 401(k) retirement plan with company matching contributions. - Paid vacation, paid holidays, sick leave, parental leave, family leave, and bereavement leave. - Life insurance, disability insurance, employee assistance programs, and wellness initiatives. - Additional benefits may include equity programs, remote work flexibility, home office stipends, tuition reimbursement, conference attendance, certification support, professional development opportunities, and employee recognition programs.

• Design, develop, and maintain native Android applications using Kotlin. • Build and support applications running on managed Android devices and kiosk-mode environments. • Implement and customize WebView-based solutions, including JavaScript and CSS injection when required. • Develop secure mobile applications following industry-standard coding and security practices. • Integrate and support hardware peripherals, including barcode scanners, receipt printers, and other device-specific components. • Implement session management features, including inactivity monitoring and automatic logout functionality. • Troubleshoot, debug, and optimize application performance, reliability, and maintainability. • Collaborate with Product, QA, UX/UI, and Engineering teams to deliver high-quality solutions. • Participate in code reviews and contribute to continuous improvement initiatives. • Ensure compliance with security, performance, accessibility, and usability standards.

• Develop robust and efficient Android applications using Java and Kotlin • Collaborate with cross-functional teams to define, design, and implement new features • Ensure code quality and performance