Senior Embedded Firmware Engineer – Rust, BLE, RTOS

Addison Group is seeking a Senior Firmware Engineer for a long-term contract in Schaumburg, IL. The role focuses on developing, deploying, and troubleshooting production firmware for connected consumer products, with onsite work four days a week. Ideal candidates have 5+ years of production firmware experience, deep Rust and C expertise, and strong Python for testing and tooling. BLE, RTOS, and hardware-debugging skills are essential; onboarding includes a focused technical assessment.