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Job Description

As a Mobile Application Developer (Software Developer) on our Engineering team, you will build and evolve the iOS and Android apps that HVAC/R technicians rely on in the field. You will design features that pair phones with our service tools over Bluetooth Low Energy (BLE), and Wi-Fi, and NFC, capture and visualize live sensor data (pressure, temperature, refrigerant mass, micron levels, combustion readings), and embed AI capabilities that turn raw data into clear, actionable guidance for the technician.

This role sits at the intersection of mobile engineering, embedded device communication, and applied AI. You will partner closely with firmware engineers, product managers, UX designers, and — most importantly — working HVAC/R technicians whose feedback shapes every release.

Mobile Application Development

• Design, build, and maintain features for our iOS (Swift / SwiftUI) and Android (Kotlin / Jetpack Compose) apps, with selective use of cross-platform frameworks (React Native or Flutter) where appropriate.

• Build clean, intuitive UIs optimized for one-handed use in attics, mechanical rooms, on rooftops, and in gloves — not in a quiet office.

• Implement an offline-first architecture so technicians can keep working in basements, walk-in coolers, and remote sites with no connectivity, then sync cleanly when they’re back online.

• Write well-tested, maintainable code with strong attention to performance, battery life, and crash-free sessions on a wide range of devices.

• Make AI-assisted development a core part of how you work. Use AI coding assistants and agentic tools to accelerate everyday development, while keeping a high bar for code quality, security, and maintainability

Phone-to-Tool Communication

• Own and extend the mobile-side stack that pairs and communicates with HVAC/R service instruments over Bluetooth Low Energy (BLE), Wi-Fi Direct, and NFC, including connection management, reconnection logic, and firmware-version compatibility.

• Implement reliable streaming and logging of live sensor data — system pressures, superheat/subcool, vacuum levels, refrigerant charge, temperature differentials, combustion readings, and leak-rate data.

• Collaborate with firmware engineers on BLE GATT profiles, message schemas, OTA firmware updates pushed through the app, and diagnostic flows for field troubleshooting.

• Integrate with adjacent ecosystems used in the trade: refrigerant tracking and reporting platforms, EPA Section 608 compliance workflows, dispatch / field service management (FSM) systems, and customer-facing report delivery (PDF, email, e-sign).

• Help evolve our SDK so third-party HVAC/R apps can talk to our tools the same way our first-party app does.

Cross-Functional Collaboration

• Partner with product managers, UX designers, firmware engineers, and cloud/back-end engineers to ship end-to-end features.

• Participate in field visits and ride-alongs with HVAC/R technicians to observe real installs, start-ups, and service calls, and translate what you see into product improvements.

• Contribute to code reviews, architecture discussions, sprint planning, and engineering hiring.

Qualifications

Education

• Bachelor's degree in Computer Science, Software Engineering, or equivalent experience.

Required Qualifications

• 3+ years of professional mobile application development experience
• Experience building and shipping iOS and/or Android applications
• Experience with Swift, Kotlin, Flutter, React Native, or similar modern mobile development technologies
• Experience integrating mobile applications with connected devices, sensors, or hardware products
• Familiarity with Bluetooth Low Energy (BLE) or similar wireless communication technologies
• Experience working with APIs, local data storage, and real-time or streaming data
• Strong software engineering fundamentals including testing, source control, and CI/CD
• Strong communication and collaboration skills

Preferred Qualifications

• Experience with AI/ML, LLM integrations, or intelligent application features
• Experience supporting HVAC, industrial, field service, or technician-focused applications
• Experience generating reports, workflows, or customer-facing documentation from mobile applications

Additional Information

The expected salary range for this position is between $90,000 and $130,000 per year. The actual compensation will be determined based on experience, location, and other factors permitted by law. In addition, INFICON employees are eligible for a profit-sharing bonus with a target of 10% as well as 401K match up to 8% (vesting schedule).

INFICON provides a dynamic work environment that promotes diversity, equity, and inclusion. Our employees experience ongoing green initiatives, flexible work hours, and a variety of health and wellness programs.

INFICON’s forward-thinking approach offers countless opportunities to design, support, and manufacture a diverse product portfolio that expands globally. Our Lean and Agile work environment offers competitive compensation, relocation assistance, a discretionary bonus, and generous employee benefits; major medical, dental, health, vision, 401K, vacation and sick time, tuition reimbursement, and more!

INFICON is committed to ensuring that our online application process provides an equal opportunity to all job seekers that apply without regard to race, religion, ethnicity, national origin, citizenship, gender, age, protected veteran status, disability status, genetic information, sexual orientation, or any other protected characteristic. A notice describing Federal equal employment opportunity laws is available here to reaffirm this commitment. Any contact that would like to request a reasonable accommodation to participate in the application process should contact us.careers@inficon.com.

INFICON, Inc. strictly complies with all aspects of the Export Administration Regulations ('EAR'), including those sections dealing with deemed exports to foreign nationals.