> Markdown version of [/jobs/ext/4706003-senior-software-firmware-design-engineer](https://www.wearedevelopers.com/jobs/ext/4706003-senior-software-firmware-design-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Software/Firmware Design Engineer

- **Company:** Modis
- **Location:** St. Petersburg, FL, United States
- **Experience:** Expert
- **Salary:** $124,800
- **Contract:** Temporary to permanent
- **Skills:** C (Programming Language), Agile Methodology, Application Lifecycle Management, JIRA, Microsoft Azure, Black-Box Testing, C Sharp (Programming Language), C++ (Programming Language), Static Program Analysis, Firmware, Python (Programming Language), Software Engineering, Software Systems, Scripting, Software Verification, Git, Integration Tests, Solid Principles, Software Coding
- **Published:** November 13, 2026
- **Apply:** https://www.adzuna.com/details/5962534383

## About the Role

* Strong in C, C++, C#
 * Motor control with sensor and sensor less BLDC and DC motors
 * Strong testing with Static analysis, Unit and integration and white and black box testing
 * Electromechanical design troubleshooting
 * Scripting for test Python
 * Understanding of Design and Design testing principles
 * Git and use of Application Life cycle tools like Azure Devops or JIRA

Nice to Have:

 * Software Planning, Requirements, Architecture, Design, Implementation, and Integration
 * Medical Device Design Experience with FDA and IEC62304 processes
 * Agile Methodology

## Description

The Software/Firmware Design Engineer is a self-motivated engineer who designs, develops, and verifies software solutions that reside on embedded processors. This includes defining software design principles, writing code in the supported language, and understanding the firmware functionality of 8, 16, 32-bit microprocessors and microcontrollers. The engineer is expected to build high-quality, innovative, and fully functional software which includes requirements, architecture, detailed design unit and integration test. The work environment can be either independent or within a team and the engineer understands and uses software design processes during their daily tasks., * Work with manager and/or PM to provide information that will aid in the initial estimation process (RFI/RFQ)

 * Write clear and concise documentation related to the work performed.
 * Develop and run effective software verification tests to ensure product stability and performance.
 * Identify, document, prioritize, and resolve software issues on a software unit level.
 * Provide input to identify and mitigate technical project risks.
 * Perform tasks and work items at a sub-project level with limited support from team lead or PM.
 * Work with cross-functional teams to ensure project success.
 * Follow department processes and procedures.
 * Comply with company security and safety policies.