Mobile Application Developer - Service Technician

About Carrier

Carrier Global Corporation, global leader in intelligent climate and energy solutions, is committed to creating innovations that bring comfort, safety and sustainability to life. Through cutting‑edge advancements in climate solutions such as temperature control, air quality and transportation, we improve lives, empower critical industries and ensure safe transport of food, lifesaving medicines and more. Since inventing modern air conditioning in 1902, we lead with purpose: enhancing the lives we live and the world we share.

We continue to lead because of our world‑class, inclusive workforce that puts the customer at the center of everything we do.

Visit  or follow on Carrier social media at @Carrier.

Carrier is seeking a Software Engineer I, Mobile to support development of Residential mobile applications, including the Smart Home App (SHA) and Service Technician App (STA). These applications are built using React Native, Type Script, shared monorepo libraries, and cloud‑based APIs supporting connected‑device workflows.

This position is designed for an early‑career engineer who will contribute to feature delivery, defect resolution, testing, and release readiness while building practical experience in mobile application architecture, state management, and API‑driven development.

• Develop and maintain mobile application features using JavaScript and Type Script.
• Build user interface components and application logic using React Native.
• Implement API integrations to support mobile application functionality.
• Diagnose and resolve application defects, including reproducing issues and validating fixes.
• Participate in code reviews and contribute to improving code quality and consistency.
• Execute unit testing and assist with integration and regression testing activities.
• Support CI/CD pipelines and assist with mobile application release processes.
• Collaborate with product managers, designers, QA engineers, and backend developers.
• Apply secure coding practices, including authentication and secure data storage.
• Participate in issue triage and support activities during U.S. Eastern Time business hours.

• Bachelor’s degree in Computer Science, Engineering, or a Hard Science (Physical, Life, or Applied Science).
• 7+ years of software engineering experience, including 4+ years building and shipping production Android and iOS mobile applications.
• 3+ years of hands‑on experience with React Native and Type Script.
• 2+ years of experience integrating Android and iOS mobile applications with GraphQL or REST APIs.

• Demonstrated experience writing JavaScript or Type Script code in at least one project or coursework assignment.
• Hands‑on experience building at least one mobile or web application using React Native, React, or similar framework.
• Experience integrating at least one REST API or web service in a project or coursework assignment.
• Demonstrated understanding of state management concepts such as props, state, or centralized state stores through project implementation.
• Ability to work a minimum of 4 hours daily overlap with U.S. Eastern Time (8:00 AM – 12:00 PM ET).
• Ability to participate in virtual collaboration with distributed teams, including teams in multiple time zones.
• Experience contributing to a mobile application deployed to the iOS App Store or Google Play Store.
• Experience working with REST APIs or GraphQL‑based services in a production or project environment.
• Exposure to state management libraries such as Redux Toolkit, RTK Query, or similar tools.
• Experience writing unit tests using frameworks such as Jest or similar testing tools.
• Experience working with Git version control, including branching and pull request workflows.
• Familiarity with mobile development environments such as Xcode and Android Studio.
• Exposure to connected‑device or IoT applications, including workflows such as Bluetooth, biometrics, camera, or QR code scanning.
• Experience using local storage solutions such as Async Storage, Secure Store, or similar tools.
• Exposure to AI‑assisted development tools such as Cursor, Claude, Kiro, or similar platforms.

• Must…