Software Engineer
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Job Description
Software Engineer responsible for integrating two new hardware devices into existing Flutter application. Focus on BLE communication and security while collaborating across teams for performance optimization.
Responsibilities:
- You will own the end-to-end integration of two new hardware devices into our existing Flutter application — defining the message protocols, extending our BLE communication library, and implementing each device's pre-designed security layer (pairing, authentication, encrypted data exchange) from spec to shipped feature.
- You will own automated test coverage on every new communication and security code path, driving it to 95%+ and giving you the autonomy to decide how you prove out the hard-to-test cases: dropped packets, race conditions, and hardware-in-the-loop failure modes.
- You will audit and resolve performance and reliability issues that span the stack — application code, mobile OS BLE stacks, and firmware — root-causing intermittent bugs that don't respect layer boundaries.
- You will produce the documentation that becomes the reference for how our devices talk to our app: protocols, security implementation, library APIs.
Requirements:
- 5+ years of professional software engineering experience.
- iOS development experience is preferred, as the application's primary platform focus is iOS.
- Proficient with Bluetooth Low Energy (BLE): GATT, characteristics/services, and connection lifecycle management.
- Production Flutter/Dart development.
- Designing or maintaining a communication library or custom protocol (message framing, serialization, error handling).
- Implementing security for BLE or other embedded communications (pairing/bonding, authentication, encryption).
- Software design patterns that keep systems modular, testable, and extensible.
- Performance profiling and optimization on mobile and/or embedded systems.
- Debugging across multiple layers of a stack (application, OS-level BLE, hardware/firmware).
- Writing automated tests (unit, integration, hardware-in-the-loop where applicable) to a 95%+ coverage standard.
Benefits:
- 100% Employer-Paid Premiums. We cover the full cost of your Health and Dental premiums (Long Term Disability premiums are employee-paid).
- Comprehensive Health Benefits (Day 1). Full coverage starts immediately, including 100% Prescription Drug Coverage and Extended Healthcare, 80% Dental, Vision Care, Life Insurance, AD&D, and Critical Illness.
- Paramedical Support. We cover up to $500 per practitioner, per person (e.g., Massage, Physio, Chiro).
- Flexible Wellness. A $1,200 annual Health/Wellness Spending Account (HSA/WSA) to support your specific needs.
- Time Off. 3 weeks vacation (minimum), 5 paid sick days, and paid leave for bereavement and jury duty.
- Financial Future. Competitive pay and a Group RRSP (GRSP) with 2.5% employer matching (1-year vesting schedule).
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