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Remedy Product Studio logo
Remedy Product Studio

Remedy supports founders and established companies in creating the next generation of great digital products

Embedded Firmware Engineer

Hardware EngineerHardware EngineerFull TimeRemoteLeadTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

115 days ago

Salary

0

Seniority

Lead

Bachelor Degree7 yrs expEnglishAWSDistributed SystemsIoTLinux

Job Description

Embedded Firmware Engineer

Remedy Product Studio

• Lead the refactoring and restructuring of an existing embedded firmware codebase into a modular, maintainable C-based architecture. • Develop and maintain sensor processing logic, including filtering and normalization of noisy data. • Optimize firmware performance and resource usage to support evolving hardware platforms. • Design and implement robust connectivity logic to handle unstable networks, offline scenarios, and reconnects. • Build local data caching and synchronization mechanisms for reliable data delivery. • Implement and maintain OTA firmware update mechanisms for deployed devices. • Collaborate closely with hardware engineers during board bring-up and platform changes. • Support testing and validation across firmware and hardware lifecycle phases.

Job Requirements

  • 7+ years of professional experience in embedded firmware development.
  • Strong experience writing production-level C (and working knowledge of C++).
  • Hands-on experience with ARM-based, Linux embedded systems.
  • Proven background working on IoT devices and sensor-based systems.
  • Experience maintaining and improving legacy firmware systems.
  • Comfortable operating independently on system-level problems.
  • Must Have Experience
  • Advanced proficiency in C and understanding of C++
  • Strong knowledge of memory management, pointers, concurrency, and resource constraints.
  • Experience with Embedded Linux (user-space applications, BSP familiarity).
  • Hands-on experience with AWS IoT Core, including MQTT and device connectivity.
  • Experience designing offline-first systems (local caching, store-and-forward, reconnect logic).
  • Familiarity with OTA firmware updates (custom solutions or tools like Mender / Yocto).
  • Experience working with Wi-Fi–enabled embedded devices.
  • Experience working with Bluetooth or Bluetooth Mesh
  • Knowledge of industrial communication protocols (I²C, SPI, UART)
  • Experience with sensor data filtering, debouncing, or signal normalization
  • Desired - Not Required
  • Familiarity with MQTT-based mesh or distributed systems
  • Exposure to AWS Greengrass or containerization on embedded devices
  • Experience supporting hardware cost-down initiatives or porting firmware to constrained platforms (e.g. ESP32, STM32)

Benefits

  • Competitive compensation
  • Remote first work environment
  • Laptop subsidy
  • Fixed subsidies/reimbursed expenses for
  • Healthcare
  • Connectivity
  • Wellness

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