Halter

Senior Firmware Engineer

Halter
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1 month ago
Auckland, New ZealandSenior

Responsibilities

  • Design and implement embedded C/C++ firmware for resource-constrained collars running on FreeRTOS.
  • Develop LoRa mesh networking, cellular connectivity, BLE communication, and protocols including CoAP, OSCORE, and protobuf.
  • Design signal-processing, timing, synchronization, filtering, estimation, and related hardware-near algorithms.
  • Own firmware from initial design through implementation, testing, mass deployment, and production support.
  • Debug intermittent field issues using logs, telemetry, and system-level analysis.
  • Collaborate with hardware engineers on sensor, radio, power, analog, and digital interfaces.
  • Improve platform quality, reliability, tooling, and issue-detection practices.
  • Support and mentor engineers through design discussions, code reviews, and knowledge sharing.

Requirements

  • Experience designing and delivering firmware for resource-constrained embedded devices.
  • Strong C/C++ fundamentals and experience with interrupts, memory constraints, real-time behavior, and concurrency.
  • A mathematics and/or physics background, or equivalent depth gained through professional experience.
  • Experience with wireless or networked communication systems such as LoRa, BLE, cellular, or mesh networking.
  • Comfort working close to hardware and following complex technical problems to root cause.
  • Strong ownership, collaboration, and feedback skills.

Benefits

  • Daily snacks and drinks.
  • Southern Cross Health Insurance support.
  • Six months of fully paid parental leave for primary caregivers and four weeks of fully paid secondary caregiver leave, plus additional parental benefits.
  • Annual $1,000 self-development budget.
  • Wellness leave and unlimited paid annual leave.
  • Salary, benefits, and employee stock ownership plan.
  • Office-first work arrangement with working from the office every day as the default, with flexibility when needed.

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Halter

About Halter

501-1,000 employees
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