Software Engineer - Mobile Applications

Location
:
Concord, Ontario (On-site)

About the Role

Adaria is seeking a Software Engineer
to join our product development team and play a pivotal role in creating mobile software solutions that power transactions in the unattended retail industry
, including vending machines
, smart coolers
, and micro markets
. You will be responsible for the end-to-end design, development, and deployment of mobile applications that enable seamless payment and operational experiences for users in the field.

We are looking for a hands-on Android developer with a passion for connected commerce, mobile UI/UX, and IoT-enabled systems. You will help drive the evolution of our digital platform, integrating with hardware systems, payment gateways, and remote management tools.

• Design, develop, and maintain Android applications used in conjunction with unattended retail hardware
  .

• Build robust mobile software that integrates with payment terminals, QR scanners, and telemetry devices via APIs, Bluetooth, and/or other protocols.

• Implement mobile-friendly UI/UX optimized for real-time transactions and field operations.

• Integrate with payment processors, mobile wallets
  , and Adaria’s backend services to ensure secure and reliable transaction processing.

• Work with internal resources and external vendorsto test and troubleshoot device connectivity and data synchronization.

• Collaborate with different stakeholders and teams to understand user requirements.

• Participate in full software lifecycle: concept, design, build, test, release, and support.

• Support rollout and updates of mobile apps deployed across a distributed retail network.

• Write well-documented, maintainable, and testable code using best practices.

• Conduct testing on hardware devices to ensure smooth user experience and reliability.

• Monitor app performance and resolve production issues quickly to maintain uptime

Qualifications

• Bachelor’s degree in Computer Science
  , Software Engineering, or a related field (or equivalent experience).

• 2+ years of professional experience in Android development using Java or Kotlin
  .

• Experience with
  payment integration (e.g., Stripe, Square, card-present SDKs, or mobile wallets).

• Familiarity with Bluetooth communication
  , NFC
  , or IoT protocols is a strong plus.

• Solid understanding of mobile application security and secure data handling.

• Experience building apps that interact with physical hardware is preferred.

• Excellent problem-solving skills and a proactive attitude toward system design and continuous improvement.

• Exposure to unattended retail or embedded system environments
  .

• Knowledge of remote telemetry platforms, vending machine protocols (e.g., MDB, DEX), or Android Open Accessory (AOA) protocols.

• Understanding of Agile methodologies and tools such as Jira, Git, and CI/CD pipelines.

Why Join Us?

Adaria is transforming unattended retail by integrating smart payment technology and mobile connectivity into every machine we touch. This is a unique opportunity to impact how consumers interact with physical retail in a fully digital way. Join us as we reimagine convenience.