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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # hybrid Software Engineer, Modem BSP. - **Company:** TrellisWare Technologies, Inc - **Location:** San Diego, CA, United States - **Experience:** Experienced - **Salary:** $115,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Abstraction Layers, C++ (Programming Language), Data Link, Computer Engineering, Software Debugging, Linux, Programming Tools, Device Drivers, Distributed Revision Control, Embedded Software, FreeRTOS, Github, Joint Test Action (IEEE Standards), Python (Programming Language), Object-Oriented Software Development, Real-Time Operating Systems, Subsystems, Systems Integration, VxWorks, Test Scripts, Information Technology - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/software-engineer-modem-bsp-trellisware-technologies-8136278 ## About the Role * Bachelor's degree in Electrical/Computer Engineering, Computer Science or related field of study required. * Minimum of four years' experience integrating with a real-time operating system (Nucleus, FreeRTOS, VxWorks) and four years of embedded software development experience. * Deep proficiency in C and C++. * Expertise in embedded systems architecture, hardware/software interaction, inter-processor communications, asymmetric multiprocessing, and Linux sub-system interaction. * Experience using debugging tools such as oscilloscopes, logic analyzers, JTAG debuggers, test script usage. * Experience with Object-oriented design, data link layer and device drivers as well as ARM based processors. To be considered for this position, you would need to meet, at a minimum, the knowledge, skills, and abilities listed here: * Real-time operating systems for embedded products. * Integrating with hardware drive driver adaptations, operating system abstractions and boot sequencing. * General Linux sub-system fundamentals. * C/C++ and Python. * Distributed revision control systems (GitHub), and common RTOS development tools (i.e. compilers, linkers, and debuggers). * You can think on your feet - you are analytical, pay attention to detail and are able to communicate your thought process both written and verbally. * You are able, and enjoy working independently as well as in a team environment. * Strong collaborative drive and interpersonal skills. * Strong initiative, proactive work ethic and prioritization skills. * Trustable judgement and analytical problem-solving skills. * Effective execution and decision making. * Champion of change and promotes innovation. * Strong written and verbal communication skills. The physical demands described here represent those that must be met in order to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable those with qualified disabilities. * Able to frequently sit, stand, walk, use hands to fingers, handle or feel, reach within hands and arm's length, stoop, kneel, and crouch, talk and hear. * Regularly required to sit for extended periods of time; frequently required to use office equipment such as PC, printer, telephone, etc. * Able to regularly lift and/or move up to 10 pounds, frequently lift and/or move up to 25 pounds, and occasionally lift and/or move up to 50 pounds. * Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus. ## Description Our Radio Products Team is seeking a hybrid Software Engineer, Modem BSP. You would be responsible for working on next generation self-networking hand-held radios for domestic and foreign defense forces. A typical day might start with you working in your personal office designing and implementing an initialization routine, hardware driver/abstraction layer, or a real-time operating system abstraction layer. It could move into one of our many state-of-the-art labs with your teammates to bring up your design on physical hardware. Enhancing cohesiveness and maintaining team morale is a responsibility of all our team members, as is the ambition for self-improvement and talent development. Through this dedication to unity and professional advancement, each team member is directly impacting the successful outcome of TrellisWare's deliverables and setting the tone for our core values of delivering excellence, pushing boundaries, and empowering people. The essential duties and responsibilities include: * Design, implement, integrate, and maintain: + Hardware adaptation, device drivers, bootloader configuration. + System initialization. + Customization and optimizations for specific hardware and operating systems. * Perform feasibility studies, and performance analysis of real-time operating system performance and portability on specific hardware targets. * Document and present design alternatives using standard professional practices and corporate defined engineering processes. * Develop relationships with team members built on trust and respect. ## Related Videos - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [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) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv)