✦ Luna Orbit — Software Engineering

Firmware Engineer - US-Based

at Toptal

📍 United States Remote Posted March 10, 2026
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Position Details

Type Full-Time
Experience mid
Exp. Years 5+ years
Education Bachelor’s degree
Category Software Engineering

About this role

This role involves designing and implementing embedded firmware for next-generation consumer hardware, working closely with hardware teams to ensure seamless integration and system reliability.

Key Responsibilities

  • Develop embedded firmware
  • Work with hardware on power management
  • Build prototypes and test harnesses
  • Establish firmware standards
  • Collaborate on system reliability

Technical Overview

Focus on embedded firmware development for microcontrollers, communication protocols, power management, and system testing in a consumer IoT environment.

Ideal Candidate

The ideal candidate is an experienced firmware engineer with 5+ years developing embedded software for consumer or IoT products, proficient with microcontrollers like ARM Cortex and ESP32, and skilled in real-time systems and power optimization.

Must-Have Skills

Embedded FirmwareMicrocontrollersCC++Real-time SystemsPower Optimization

Nice-to-Have Skills

RustBLEWi-FiZigbeeThreadMatterOTADiagnosticsSmart FilmEC SystemsLightingMotor Control

Tools & Platforms

ARM CortexESP32STM32NordicCloud Connectivity

Required Skills

Embedded FirmwareMicrocontrollersCC++RustReal-time SystemsPower OptimizationOTADiagnosticsBLE

Hard Skills

Embedded FirmwareCC++RustMicrocontrollersARM CortexESP32STM32NordicReal-time SystemsPower OptimizationEmbedded Signal ProcessingBLEWi-FiZigbeeThreadMatterOTADiagnostics

Soft Skills

Problem-solvingCollaborationCommunicationOwnershipAdaptabilityInnovation

Industry & Role

Industry Consumer Electronics
Job Function Architect and implement embedded firmware for innovative consumer hardware

Keywords for Your Resume

Firmware EngineerEmbedded FirmwareMicrocontrollersCC++RustReal-time SystemsPower OptimizationOTADiagnosticsBLEWi-FiZigbeeThreadMatterSmart FilmEC SystemsLightingMotor ControlCloud Connectivity

Deal Breakers

Lack of experience with microcontrollers, No background in embedded firmware development, Inability to work in a fast-paced environment, No experience with communication protocols, Unwilling to relocate or work remotely

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