Firmware Engineer

JOYn RH

Firmware Engineer developing IoT solutions for innovative technology company in Florianópolis. Collaborating with hardware and software teams to ensure reliable performance.

Posted 7/16/2026full-timeFlorianópolis • 🇧🇷 BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and debugging embedded systems, with a strong focus on integrating microcontrollers and communication modules. Proficient in technical documentation and collaboration with cross-functional teams to enhance system reliability and performance.

Highest-signal resume keywords

Embedded Systems DevelopmentC ProgrammingMicrocontroller IntegrationDebugging Tools ExperienceIoT Device Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C++ ProgrammingMicrocontroller KnowledgeTelemetry HandlingUART ProtocolI²C ProtocolSPI ProtocolCAN ProtocolDigital ElectronicsAnalog ElectronicsTechnical Documentation

Soft Skills

CollaborationProblem-Solving

Tools & Technologies

ESP32OscilloscopeLogic AnalyzerJTAGGit

Industry Keywords

SAE J1939NMEA 2000Firmware UpdatesRemote Firmware UpdatesGNSSGPS

Tech Stack

Tools & technologies

IoT

About the role

Key responsibilities & impact

Develop, test, and debug firmware for embedded systems;
Integrate sensors, microcontrollers, and communication modules;
Conduct bench testing and hardware validation;
Document technical solutions and development processes;
Collaborate with hardware and software teams to define requirements;
Contribute to the continuous improvement of system reliability, safety, and performance;
Maintain the work environment and tools.

Requirements

What you’ll need

Experience developing embedded systems using C and C++;
Knowledge of microcontrollers, especially ESP32;
Experience configuring peripherals, handling interrupts, telemetry, and inter-device communication;
Familiarity with UART, I²C, SPI, and CAN protocols;
Knowledge or interest in SAE J1939 and NMEA 2000;
Experience with IoT devices, Wi‑Fi, LTE, MQTT, GNSS/GPS, and remote firmware updates (OTA);
Knowledge of digital and analog electronics;
Experience integrating sensors and reading electronic schematics;
Experience with debugging tools such as oscilloscopes, logic analyzers, and JTAG;
Familiarity with Git, version control, technical documentation, and development best practices;
Degree in Electrical Engineering, Electronic Engineering, Control and Automation Engineering, Computer Engineering, or a related field.

Benefits

Comp & perks

Flexible working hours