IoT Firmware Engineer

Firmware Engineer Mid-level (L4 equivalent) 2-5 years

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Seagate

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The job description

Tech stack. Bluetooth LE (GATT, advertising), WiFi on microcontrollers, MQTT/CoAP with TLS, ultra-low-power design, secure OTA updates, sensor integration and calibration, mobile app interfacing, IoT security fundamentals

About the role

You will build the firmware inside connected IoT products that millions of people install in their homes, offices, and industrial sites. IoT firmware engineers own the complete device experience end to end: sensor integration, wireless connectivity, cloud communication, mobile app interfacing, and the over-the-air updates that keep devices improving long after sale. You will balance battery life against responsiveness, security against usability, and cost against capability on every single program. Your firmware is the product as far as the user is concerned: when everything works seamlessly, nobody notices your work at all, which is precisely the goal.

What you will achieve

Ship IoT products with genuinely reliable connectivity: robust BLE and WiFi provisioning flows, stable cloud connections, and graceful offline behavior
Deliver industry-leading battery life through aggressive, system-level power optimization validated with months of long-term current profiling
Build secure OTA update systems with cryptographic verification, automatic rollback protection, and carefully staged fleet rollouts
Integrate diverse sensors with accurate, factory-calibrated readings and intelligent on-device processing that reduces cloud dependency and latency
Create seamless mobile app pairing and control experiences through well-designed BLE services, clear protocols, and thorough interoperability testing

What you will bring

Must-haves

2 to 5 years developing firmware for connected IoT products that shipped to real customers at meaningful volumes
Experience with Bluetooth LE in depth: GATT service design, advertising strategies, connection management, bonding, and interoperability testing
Familiarity with WiFi on resource-constrained microcontrollers: provisioning flows, intelligent reconnection logic, and power management trade-offs
Understanding of IoT cloud communication protocols: MQTT, CoAP, or HTTP-based device messaging, all secured properly with TLS
Low-power design expertise: sleep mode architecture, wake source selection, and system-level energy budgeting validated by measurement
Knowledge of robust OTA update design: dual-bank flash architectures, cryptographic image verification, and bulletproof failure recovery
BS in Electrical or Computer Engineering

Nice-to-haves

Experience with Matter, Apple HomeKit, or Google Home ecosystems including their certification processes
Familiarity with cellular IoT technologies (LTE-M, NB-IoT) for products requiring reliable wide-area connectivity
Knowledge of IoT security best practices: device identity provisioning, remote attestation, and fleet vulnerability management
Experience with voice assistant integration or audio processing pipelines on constrained devices