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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Firmware Software Engineer - **Company:** Optical Zonu Corporation - **Location:** Los Angeles, CA, United States - **Salary:** $100,000.0 - $160,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), C (Programming Language), Application Testing, JIRA, Automation of Tests, Software Documentation, Software Quality, Code Review, Software Debugging, Software Design Patterns, Embedded Software, Firmware, Python (Programming Language), Radio-Frequency Identification, Software Tools, Software Engineering, Universal Asynchronous Receiver/Transmitter, UML, USB, Diagnostic Tools, Digital Access Carrier System, Enterprise Software Applications, Serial Peripheral Interface, PIC Microcontroller, Control Structures, Hardware Testing, Guidewire PolicyCenter, Git, Information Technology, Codebase, Code Restructuring, Software Version Control, Legacy Systems - **Published:** July 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ea035e536071b00d ## About the Role The ideal candidate combines strong software engineering fundamentals with practical hardware programming experience, delivering practical results while maintaining engineering rigor. They understand how to build maintainable, testable, and reliable software, working directly with electronic hardware. This position involves both new product development and continuation engineering of existing products, requiring curiosity, adaptability, and the ability to work effectively with legacy codebases of varying maturity levels., * Bachelor's degree in computer science or related discipline * Strong proficiency in the C Programming language * Strong experience developing software for microcontrollers, embedded hardware, and PC-applications * Strong understanding of software engineering principles, including: * Abstraction, Decoupling and Cohesion * Design Patterns and Structures * UML and Software Documentation * Optimizations for Microcontrollers * Experience debugging complex software and firmware systems * Refactoring legacy systems while preserving functionality and reliability * Ability to understand electronic schematics and principles * Hands-on experience using laboratory equipment, such as oscilloscopes, multimeters, or similar tools * Writing Clean, Readable, and Well-Documented Code * Strong written communication skills and commitment to producing well-documented, supportable deliverables * Ability and adaptability to work effectively in a multidisciplinary engineering environment Preferred Qualifications * Experience developing embedded systems and real-time firmware: PIC32M, PIC18F, Freescale, and SiLabs MCUs * Experience writing Python utility applications, automation tools, or test software * Experience interfacing with I2C, UART, SPI, USB, ADCs, DACs, sensors, and communication peripherals * Experience working with legacy production and inherited codebases * Experience with instrumentation, data acquisition, or laboratory automation * Familiarity with manufacturing test systems, automated testing, or production support * Exposure to telecommunications, optical communications, or RF systems, digital and analog control loops * Experience developing test fixtures, hardware validation tools, or engineering utilities * Hardware Experience is a plus: Schematic Development, Circuit Troubleshooting Experience working with version control systems (GIT) and collaborative development workflows (JIRA) ## Description We are seeking a Firmware or Embedded Software Engineer to join our small engineering team. This role will work closely with other firmware engineers, electrical engineers, and production personnel, to develop, maintain, test, and support RF-over-fiber telecommunication products through their lifecycle., * Design, implement, test, and maintain embedded firmware primarily in C * Perform continuation engineering on existing products, including troubleshooting, feature enhancements, defect resolution, and lifecycle support * Investigate, debug, and resolve firmware, software, and system-integration problems using appropriate tools and methodologies * Develop supporting tools, test applications, and manufacturing utilities in Python * Support manufacturing and production teams by developing and maintaining test platforms, diagnostic tools, and production software * Speak to and participate in architecture and software design discussions that promote maintainability, modularity, and reliability * Participate in code reviews, provide constructive feedback, improve code quality, and elevation of engineering practices * Produce clear documentation, test and validation procedures, and technical design information, and of the firmware and software tools ## Related Videos - [Prototyping with Hardware and the Web](https://www.wearedevelopers.com/videos/651-prototyping-with-hardware-and-the-web) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Strange New Worlds: shaping the future of the digital age](https://www.wearedevelopers.com/videos/677-strange-new-worlds-shaping-the-future-of-the-digital-age) - [Beyond UML: Making Sense of AI-Generated Code through Visual Architecture](https://www.wearedevelopers.com/videos/2102-beyond-uml-making-sense-of-ai-generated-code-through-visual-architecture) ## Related Articles - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)