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Mobile Application DeveloperINFICON • United States
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Mobile Application Developer

INFICON
  • US
    United States
  • US
    United States
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Über

Company Description
INFICON is a leading provider of innovative instrumentation, critical sensor technologies, and Smart Manufacturing/Industry 4.0 software solutions that enhance productivity and quality of tools, processes, and complete factories. These analysis, measurement and control products are essential for gas leak detection in air conditioning/refrigeration and automotive manufacturing. They are vital to equipment manufacturers and end-users in the complex fabrication of semiconductors and thin film coatings for optics, flat panel displays, solar cells and industrial vacuum coating applications. Other users of our vacuum-based processes include the life sciences, research, aerospace, packaging, heat treatment, laser cutting and many other industrial processes. We also leverage our expertise in vacuum technology to provide unique, toxic chemical analysis products for emergency response, security, and environmental health and safety.
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.
Unified Experience & Ecosystem Vision: Centralizing app development under one developer ensures a consistent user experience across all service tools, while supporting INFICON's vision of a cohesive, branded ecosystem.
Intellectual Property Protection: A dedicated developer helps safeguard proprietary technologies and app-related assets, reducing the risk of IP exposure and ensuring tighter control over sensitive components.
Developer Consolidation & Cost Efficiency: Currently, four separate developers contribute to fragmented efforts and rising costs. Consolidation streamlines development, reduces update fees, and improves overall cost management.
Internal Capability & Agility: Limited internal knowledge of app architecture and platforms hinders responsiveness. A centralized approach builds internal expertise, enabling faster, more flexible updates and better long-term scalability.
Connectivity & Scalability Requirements: With most INFICON Service Tools products requiring app or OTA connectivity, a unified development strategy ensures support for a wide range of tools-from full-featured applications to lightweight firmware utilities.
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. What You'll Love About This Role
Your code ships to technicians who use it in the field every single day - and they will tell you exactly what they think. You'll work at the leading edge of AI applied to the skilled trades, where small UX wins translate into real time saved on a real job site. You get to design across the full stack of a connected product: hardware, firmware, mobile, cloud, and AI. Modern tooling, supportive team, and a product roadmap that takes mobile and AI seriously - not as side projects. Experience with OTA firmware update flows initiated from a mobile app. Familiarity with field service management (FSM) integrations - ServiceTitan, Housecall Pro, FieldEdge, BuildOps, Salesforce Field Service, or similar. Experience generating PDF service reports, e-signatures, and customer-facing documentation directly from a mobile app. Contributions to open-source mobile, BLE, or AI tooling. Qualifications
Required Qualifications:
Mobile experience:
3+ years of professional mobile development, with shipped apps on the App Store and/or Google Play. Native or cross-platform proficiency:
Strong skills in
at least one
of: native iOS (Swift / SwiftUI / UIKit), native Android (Kotlin / Jetpack Compose), or a major cross-platform framework ( React Native
or
Flutter ). Comfort working across both platforms is a strong plus. Hands-on AI integration:
Demonstrated experience integrating AI/ML into a real product -running on-device models with Core ML, TensorFlow Lite, or ML Kit. BLE / connected-device experience:
Production experience integrating mobile apps with Bluetooth Low Energy peripherals or other wireless hardware (smart sensors, wearables, IoT devices, medical devices, industrial tools, etc.). You understand GATT, pairing, background modes, and the realities of flaky radio environments. APIs & data:
Solid grasp of REST/JSON, authentication (OAuth 2.0 / OIDC), real-time data handling (WebSockets, MQTT, or similar), and local persistence (SQLite, Core Data, Room). Engineering fundamentals:
Strong testing habits (unit, UI, and device testing), CI/CD for mobile, source control with Git, and clear written and verbal communication. Education:
Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience. Preferred Qualifications:
Direct experience building apps for the
HVAC/R, refrigeration, plumbing, electrical, or broader skilled trades
market - or for field service technicians in any industry. Familiarity with HVAC/R concepts: refrigeration cycles, superheat/subcool, evacuation and micron readings, refrigerant types (A2L and beyond), combustion analysis, EPA Section 608 reporting, and AHRI/ASHRAE workflows. Experience shipping
on-device AI
features at scale - model quantization, latency tuning, hybrid on-device / cloud inference patterns.
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.
  • United States

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  • English
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