Who We Are

At KEV, we build mission-critical financial software for K–12 schools on a massive scale. Our platform delivers real-time control and visibility into every dollar collected, whether cash, check, or digital, replacing fragmented workflows with secure, modern systems.

Trusted by 27,000 K–12 schools and districts managing over $8B annually, KEV operates at the intersection of payments, accounting, and reporting—where complexity is high and engineering excellence matters. Headquartered in Toronto with teams across North America, we are scaling fast and investing deeply in cloud-native, data-driven technology. If you want to build high-impact SaaS products that solve hard problems, scale with purpose, and make your work matter in public education, KEV is the place to do it.

About the Role

We are seeking a Senior Software Engineer to help build and evolve our Android-based Point-of-Sale (POS) platform. This role is approximately 70% Android development and 30% backend development, with a primary focus on developing and supporting applications running on Android POS devices while contributing to Azure-based backend services responsible for telemetry, device management, monitoring, and operational insights. The ideal candidate will have solid Android development experience, an understanding of payment ecosystems and POS hardware, and hands‑on experience building cloud services that support large fleets of deployed devices.

Android Development (70%)

- Design, develop, and maintain Android applications running on POS devices.
- Build secure and reliable payment and operational workflows.
- Develop applications using Kotlin, Java, Android SDK, Jetpack Libraries, MVVM, Coroutines,



and Dependency Injection (Hilt/Dagger).
- Integrate with card readers, receipt printers, barcode scanners, NFC readers, and customer-facing displays.
- Develop and support applications on PAX devices and future Android-based payment terminals.
- Optimize application performance, stability, and responsiveness.
- Troubleshoot production issues across multiple Android device models and OS versions.

Backend & Telemetry Services (30%)

- Design and develop backend services that collect, process, and analyze telemetry generated by deployed payment devices.
- Build APIs supporting device health monitoring, diagnostics, remote configuration, operational reporting, and fleet management.
- Design scalable ingestion pipelines for device metrics, transaction events, logs, connectivity status, diagnostics, and remote management events.
- Build monitoring and alerting capabilities that improve operational visibility across the device fleet.
- Partner with platform and data teams to expose telemetry data for reporting and analytics.

Required Qualifications

- 8+ years of software engineering experience.
- 5+ years of Android development experience.
- Strong Android development using Kotlin, Java, Android SDK, and Jetpack libraries.
- Experience building applications for POS, kiosk, retail, or specialized Android devices.




- Experience with MVVM, Dependency Injection, Coroutines, and Clean Architecture.
- Experience integrating REST APIs.
- Backend development experience using C#/.NET, Java/Spring Boot, or Node.js.
- Experience with Azure services and SQL/NoSQL databases.

Cloud & Platform Technologies

Required experience with Azure cloud services, with particular emphasis on Azure Application Insights.

- Azure Application Insights
- Azure Service Bus
- Azure Functions
- Azure Event Hubs
- Azure Storage
- Azure SQL
- Cosmos DB
- Azure Kubernetes Service (AKS)

Preferred Qualifications

- Experience working with payment devices, payment terminals, or POS hardware.
- Experience supporting card-present payment solutions.
- Knowledge of PCI-DSS requirements and secure payment processing practices.
- Experience working with PAX devices is a strong asset.
- Experience supporting Verifone, Ingenico, Castles, Clover, or similar devices.
- Experience with telemetry, monitoring, observability, Docker, and Kubernetes.

Ideal Candidate Profile

A backend-leaning Android engineer who enjoys working at the intersection of mobile applications, payments, device hardware, cloud services, and telemetry platforms. Comfortable building Android applications for POS devices while also designing and supporting scalable backend services that manage and monitor large fleets of deployed devices.

Why You'll Love Working at KEV

- Make a real difference every day – At KEV, your work supports children, parents, and schools across North America. We don't just build software, we create solutions that simplify lives and strengthen commu

📌 Senior Software Engineer – Android contract (Toronto)
🏢 KEV Group
📍 Toronto