Senior iOS Android Developer

Build Mobile Apps That Connect Professionals to the Tools They Depend On Why Fieldpiece? Fieldpiece is a privately held, global leader in professional HVACR tools and test instruments. We're known for developing innovative products that technicians rely on every day—and for investing in our people, our technology, and our future. Named one of the Best Places to Work in Southern California for four consecutive years, we're looking for talented people who want to make an impact while growing their careers. Why This Role? The mobile experience is becoming one of the most important ways customers interact with Fieldpiece products. As a Senior iOS / Android Engineer, you'll design, develop, and support native iOS and Android applications that connect technicians to the data, diagnostics, and insights generated by our industry-leading tools. You'll work closely with Product, UX, Cloud Engineering, and Software Engineering teams to build intuitive, high-performance mobile applications that integrate with SaaS and DaaS platforms and help shape the future of connected HVACR technology. This is a hands-on engineering role where you'll influence architecture, champion mobile development best practices, and help deliver applications that technicians depend on every day. This position is based in our Orange, CA office with an exciting move to Tustin, CA in 2028.  We offer a hybrid work schedule with employees typically working onsite three days per week. Additional onsite days may be required for team collaboration, planning sessions, or other business needs. Travel is expected to be up to 10%. What You'll Do Design, develop, and maintain native iOS and Android applications using Swift, Objective-C, Kotlin, and Java. Support the full application lifecycle, including design, development, testing, deployment, monitoring, and ongoing enhancements. Build secure, high-performance mobile applications that integrate with cloud-based SaaS and DaaS platforms through RESTful APIs. Optimize application performance, reliability, responsiveness, and maintainability across supported devices and operating systems. Troubleshoot complex technical issues and contribute to high-quality, well-tested code with minimal technical debt. Collaborate with Product Management, UX/UI, Cloud Engineering, and Software Engineering teams to deliver intuitive customer experiences. Champion mobile engineering best practices while contributing to architecture, code quality, Agile delivery, and continuous improvement. What Makes This Opportunity Different Connected products. Build mobile applications that work seamlessly with professional HVACR tools used by technicians worldwide. Modern technology stack. Develop native iOS and Android applications integrated with cloud platforms, REST APIs, AWS services, and connected technologies. Meaningful customer impact. Your work directly improves how professionals diagnose, troubleshoot, and maintain critical HVACR systems. Collaborative development. Work closely with Product, UX, Cloud Engineering, and Software Engineering teams throughout the product development lifecycle. Innovation. Help shape the future of connected products by contributing to mobile architecture, AI-enabled capabilities, and evolving customer experiences. In Your First Year, You'll Likely Build relationships across the organization to become a trusted technical contributor for our native applications and deliver new features and enhancements that improve the customer’s experience across iOS and Android platforms. Improve and evolve our mobile architecture, standards/processes, application quality, performance, reliability, and maintainability through engineering best practices.