Sr. Software Engineer (Firmware) (Embedded C/C++)

TL;DR

Sr. Software Engineer (Firmware) (Embedded C/C++): Design, develop, and test embedded firmware for Reconfigurable Optical Add-Drop Multiplexers (ROADMs) with an accent on C/C++ embedded software, Linux/RTOS integration, and device-driver development. Focus on owning the full firmware lifecycle (requirements to deployment) and solving complex hardware/software integration and validation challenges in cross-functional Agile delivery.

Location: Hybrid (in-office Tuesday–Thursday; remote Monday & Friday). Primary location: Norcross, GA, USA. Must be authorized to work in the United States.

Company

hirify.global builds technologies for optical networking and communications.

What you will do

• Design, develop, and integrate embedded C/C++ software running on Linux and RTOS (e.g., FreeRTOS).
• Own the full software development lifecycle: requirements, architecture, implementation, testing, debugging, and deployment.
• Develop and maintain device drivers for fiber-optic components and related hardware subsystems.
• Collaborate with hardware teams on schematic reviews, hardware design input, and board bring-up.
• Partner with optical, hardware, and test engineers in an Agile environment to meet product milestones and quality goals.
• Build and maintain unit tests, automation scripts, and test frameworks to verify and validate firmware functionality.

Requirements

• 10+ years of embedded software/firmware development experience, preferably in telecommunications or networking.
• Strong proficiency in modern C/C++ with adherence to C++ best practices and coding standards.
• Experience with RTOS, low-level debugging, and hardware/software integration.
• Hands-on experience with embedded communication protocols (SPI, I2C, UART) and developing/debugging device drivers.
• Familiarity with ARM or other microcontroller architectures.
• Must be authorized to work in the United States.

Nice to have

• Experience developing device drivers for ASICs or FPGAs.
• Hands-on experience with CMake and scripting languages (Bash, Python, Ruby, or Perl).
• Experience implementing CI/CD pipelines for embedded platforms.
• Familiarity with Agile/Scrum methodologies.
• Understanding of optical networking technologies such as OTN and Gigabit Ethernet.

Culture & Benefits

• Hybrid schedule: in-office Tuesday–Thursday; remote Monday and Friday.
• Cross-functional collaboration with optical, hardware, test, QA, product management, and manufacturing.
• Focus on continuous learning and staying current with modern C++ and emerging embedded technologies.
• Agile environment with clear product milestones and quality goals.

Hiring process

• Application review and selection process tracking through the application status updates.
• Interviews and evaluations aligned to embedded firmware experience and cross-functional collaboration.