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Sr. Firmware Developer; C​/C++

Job in Englewood, Arapahoe County, Colorado, 80151, USA
Listing for: Comcast
Full Time position
Listed on 2025-12-20
Job specializations:
  • Software Development
    Software Engineer, DevOps, Embedded Software Engineer
Job Description & How to Apply Below
Position: Sr. Firmware Developer (C/C++)

Be among the first 25 applicants.

Make your mark at Comcast – a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award‑winning technology team that turns big ideas into cutting‑edge products, platforms, and solutions. We create space to innovate, recognize, reward, and invest in your ideas, while ensuring you can proudly bring your authentic self to the workplace.

Job Summary

Optek’s distributed team is responsible for the development, maintenance, and support of critical hardware and software applications used by 20,000+ field technicians to diagnose and repair customer‑impacting issues within the Access Network. Optek also develops and maintains multiple RF monitoring software platforms that provide near real‑time analysis of Comcast’s 50 million cable modems and associated network components, detect problems, and notify the correct fix agents.

This software developer will be joining our team focusing on the hardware side of our software development team.

Job Description

This position is ineligible for visa sponsorship. To be considered for this role, you must be legally authorized to work in the United States and not require sponsorship for employment now or in the future.

  • Work and communicate effectively with Lead, Mobile team and full stack team for integration efforts.
  • Implement additions/enhancements and bug fixes to the firmware deployed on Comcast proprietary hardware.
  • Work with hardware vendor to integrate new changes to the Firmware for the hardware.
  • Design and implement software of embedded devices and systems from requirements to production and commercial deployment.
  • Seek opportunities to tweak areas of the code base to improve efficiency and performance, maintainability, and/or flexibility of the design.
  • Package and support deployment of software releases in a timely manner and work with Quality Assurance team to ensure that the application fits specification and technical requirements.
  • Organize and participate in peer‑reviews and participate in paired programming, and other team cadences.
  • Efficient in the analysis & troubleshooting for production issues & code deployment activity.
  • Write and edit technical documentation, including but not limited to software designs, technical manuals in collaboration with Senior developers within Team.
  • Prototyping new hardware and firmware.
  • Experience in building quality and secured code adhering to best practice and industry standards.
What You’ll Need
  • 7+ years of Software Development Experience with a focus on C/C++.
  • 7+ years of Embedded C/C++ Software Development on Linux/RTOS.
  • Proficiency in version control and CI/CD using Git.
  • Familiarity with web application structure, including Restful APIs and JSON/HTTP/HTTPS/JWT.
  • Experience in debugging, performance profiling, and optimization.
  • Bachelor's degree in engineering or computer Science, or equivalent in work experience and self‑study.
Preferred Skills (Nice to Have)
  • Knowledge of modern OS coding techniques, IP protocols, and hardware interfaces.
  • Experience with a complete life cycle of an embedded software system.
  • Hands‑on experience deploying code to hardware.
  • Networking knowledge.
  • Familiarity with fiber optics or RF (Radio Frequency).
  • Understanding of AWS.
  • Knowledge of Restful APIs and web socket programming.
  • Experience with Agile Software Development Life Cycle (SDLC).
  • Understanding of database structures such as Postgre

    SQL and MySQL.
  • Familiarity with software configuration tools, RDKB development and cross platform development systems.
Soft Skill Requirements (Team Fit/Personality Requirements)
  • Collaborative approach, professional work ethic, and positive attitude.
  • Empathy and respect, diversity and inclusion.
  • Strong at prioritizing workload.
  • Willingness to learn new technologies and flexibility regarding changes in technical direction.
  • Willing to learn about our system and how it supports our Field team.
  • Able to balance between maintaining our existing platforms and identifying/implementing enhancements.
  • Motivation and independence to work…
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