Firmware Engineer - Edge Grid & Real-Time Telemetry (Hybrid)

Critical Loop; United States; Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Stock options

Health coverage

Retirement plan

Unlimited PTO

Job summary

Critical Loop seeks a software engineer to build embedded drivers, device communications, backend services, and data pipelines for field hardware. You will work closely with hardware engineers to ship software with real-world impact, including debugging and telemetry-focused systems.

The role is hybrid in the Torrance-area market, offering ownership of features from design through deployment in a startup environment emphasizing reliability and observability across distributed sites.

Qualifications

• Proficiency in one or more systems programming languages (C/C++/Rust).
• Experience with higher-level languages for services or data processing (Python or Go).
• Experience writing firmware or drivers for embedded targets.
• Comfort reading schematics, debugging hardware, and understanding timing/electrical behavior.

Responsibilities

• Design and build software spanning embedded drivers, device communications, backend services, data pipelines, and operator-facing interfaces.
• Develop network communication and driver layers for site controllers and distributed energy resources.
• Build and maintain automated data pipelines for real-time energy monitoring and interval data analysis.
• Collaborate with hardware engineers on embedded system designs and bring-ups.
• Architect systems that are reliable, observable, and deployable across distributed sites.
• Participate in hardware field tests, commissioning, and debugging of deployed systems.
• Own features from design through deployment and field validation.

Skills

C/C++/Rust

Python/Go

Firmware/Drivers

Embedded HW

Backend APIs

Ownership mindset

Education

Physics / ECE degree

Tools

Modbus

DNP3

CAN bus

Job description

Critical Loop seeks a software engineer to build embedded drivers, device communications, backend services, and data pipelines for field hardware. You will work closely with hardware engineers to ship software with real-world impact, including debugging and telemetry-focused systems.

The role is hybrid in the Torrance-area market, offering ownership of features from design through deployment in a startup environment emphasizing reliability and observability across distributed sites.