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Mobile Application Lead/ Architect

Group NineIrvine, CAMay 21st, 2026
Mobile Application Lead/ ArchitectLocation: Remote from US- California (with some limited travel to Irvine, CA)Duration: 1 Year+Time zone: Candidates to work in Pacific Time ZonePOSITION DESCRIPTION:We are seeking a Senior Engineering Manager to lead the development of our next-generation Mobile Residential Applications , a critical tool for residential solar homeowners and system installers. This role will drive the architecture, execution, and team culture behind a mobile-first residential mobile product suite that enables seamless on-site commissioning of solar systems as well as homeowner experiences.You will lead a team of iOS and Android engineers, collaborating closely with engineers in Korea and India, and work closely with product, design, and hardware teams to deliver a robust, scalable, and intuitive mobile experience. The ideal candidate has deep expertise in mobile architecture, shared component systems, and IoT-connected device workflows.RESPONSIBILITIESTechnical Leadership & StrategyDefine and execute the technical roadmap for residential mobile applications, with a focus on performance, reliability, and scalability.Build screens to deliver consistent UX across platforms.Ensure seamless integration with EMS firmware and cloud backend.Champion best practices in mobile development, including CI/CD, observability, and performance profiling.Engineering ExcellenceEstablish and maintain high standards for code quality, testing, documentation, and operational excellence across all tooling teams.Implement metrics and KPIs to measure developer productivity and tool effectiveness.Promote a culture of continuous improvement and technical rigor.Team Management & ExecutionLead a high-performing team of Swift (iOS) and Kotlin (Android) engineers.Provide career development support for direct reports, including mentoring, coaching, and performance reviews.Collaborate with globally distributed teams in Korea and India, fostering a strong async-first culture with flexible overlap hours.Work with offshore contractors to ensure alignment with team goals and delivery standards.Drive agile execution, sprint planning, and delivery of high-quality software.Cross-functional CollaborationPartner with Product Management, UX/UI, QA, and Hardware Engineering to deliver user-centric solutions.Coordinate with the Cloud Backend team to integrate with telemetry data and device management.Advocate for customer needs and usability through close collaboration with partner teams.REQUIRED QUALIFICATIONSBachelor's or Master's degree in Computer Science, Electrical Engineering, or related field.10+ years of software development experience, with 5+ years in engineering management.Proven experience building and launching mobile apps with native iOS and Android teams.Deep understanding of mobile architecture, shared component systems, and design systems.Good understanding in offline strategy, IoT protocols, and connected devicesStrong communication and stakeholder management skills.Comfortable working across time zones and cultures; experience with remote-first teams.PREFERRED QUALIFICATIONSSolar Industry experience (Renewable)Direct experience in connected devices or field services