Principal Mobile Engineer - iOS and Connected Devices

Build the mobile technology connecting real-world tools, data, and the technicians who rely on them.

Fieldpiece is looking for an experienced, hands-on Principal Mobile Engineer to help shape the future of our connected products. As our first in-house mobile engineering hire, you'll take technical ownership of our mobile applications, drive architectural decisions, and develop innovative solutions connecting physical tools, mobile technology, and cloud services.

This isn't a role where you'll just oversee development. You'll write code, solve complex engineering challenges, and help establish the technical foundation for our growing mobile engineering capabilities.

You'll collaborate with established external development partners and internal engineering teams across embedded systems, cloud, product, and UX. If you love building great software, working with connected devices, and having the freedom to influence technical direction, this is an opportunity to make a lasting impact.

About 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. We've been named one of the Best Places to Work in Southern California for four consecutive years.

Location:

Park City, UT (moving to Heber City in 2027). Hybrid, typically 3 days onsite per week. Additional onsite days may be required for collaboration or business needs. Up to 10% travel.

What You'll DoOwn the architecture and technical direction of our native iOS applications, with involvement in Android development.

Design, develop, and optimize mobile applications that connect with Bluetooth/BLE-enabled tools, sensors, and cloud services.

Write production-quality code and solve complex challenges involving connectivity, performance, reliability, and scalability.

Establish in-house mobile engineering capabilities, including development standards, architecture, testing, and best practices.

Collaborate with external development partners, providing technical guidance, conducting code reviews, and ensuring high-quality engineering outcomes.

Partner with embedded, cloud, product, and UX teams to deliver seamless connected-product experiences.

Make key technical decisions balancing performance, security, maintainability, and speed.

Leverage modern engineering practices, including AI-assisted development tools, to improve productivity, testing, and code quality.
8+ years of software development experience, including extensive hands-on native iOS application development

Strong expertise in Swift and native iOS development, with experience building and supporting complex, production-grade applications

Experience architecting mobile applications and making significant technical design decisions

Experience developing mobile applications that communicate with Bluetooth/BLE devices, sensors, IoT, or connected hardware

Strong understanding of mobile architecture, APIs, cloud integration, performance, security, and testing

Experience providing technical leadership, influencing engineering decisions, and collaborating across teams while remaining hands-on Strong problem-solving, communication, and collaboration skills.

Even Better If You Have Native Android development experience with Kotlin or Java

Experience with AWS, cloud-connected applications, or distributed systems

Experience with mobile CI/CD, automated testing, observability, and release management

Experience using AI-assisted or agentic development tools

Experience with professional tools, connected consumer products, industrial IoT, or field-service technology

Why You'll Enjoy Working at Fieldpiece Own the technology. Be our…