Set Android platform direction at COSMO through architecture, reliability, performance, and security expertise in a remote engineering setting.
As Principal Engineer, you will serve as the most senior individual contributor in Engineering. You will solve difficult platform problems, guide technical strategy, and raise standards across teams and products. Your work supports COSMO products including the JrTrack Kids Smartwatch and Mission Control Parent App.
Key Responsibilities: Set Android platform architecture, reliability, performance, and security strategy
Lead designs, evaluate tradeoffs, and align technical stakeholders
Own AIDL interfaces and hardware-to-application integration
Resolve cross-layer hardware, system, and application issues




Mentor engineers and establish engineering standards
Requirements: 8+ years professional software engineering experience
6+ years focused on Android development
4+ years as technical leader or principal-level individual contributor
7+ years with Android SDK, Android Studio, Kotlin, and Java
Deep expertise in Binder, AIDL, drivers, and hardware data flow
Bring Android architecture, platform strategy, and technical leadership to COSMO's connected products and engineering organization.

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📌 Principal Android Platform Engineer (Ontario)
🏢 Cosmo]
📍 Ontario