Zigbee Embedded Systems Engineer

Gazelle Global

Zigbee Embedded Systems Engineer - Contract | Windsor (Hybrid)

6-month contract opportunity for an experienced Embedded Engineer to help deliver a next-generation IoT hub platform focused on Zigbee connectivity, constrained MCU architectures, and cloud-connected smart home devices.

You’ll work on a greenfield Hub Lite project, building embedded firmware from PoC through to production-ready software, integrating Zigbee stacks, optimising low-memory systems, and enabling secure OTA and cloud communication.

Key experience required

  • Strong Embedded C/C++
  • RTOS and constrained embedded systems
  • Zigbee / BLE / Wi-Fi / 802.15.4
  • ESP-IDF / Espressif SDK
  • Silicon Labs MG2x Zigbee development
  • Secure boot, provisioning, OTA updates
  • MQTT and AWS IoT Core integration
  • Memory and flash optimisation on MCUs
  • Experience delivering production IoT devices

Experience with Matter, Thread or smart energy networks is highly desirable.

Hybrid working with 1 day onsite in Windsor. Strong day rate available for the right engineer. Initial 6-month engagement with extension potential.

For more information and direct contact with me, please send me an email and call only if required. I will be sure to check responses daily and shortlist the best candidates; if you are shortlisted, you will hear from me.

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+44 7908143845