Senior Software/Firmware Engineer

About Us Infinitum has raised the bar for a new generation of motor that is better for the planet and people. The company’s patented air core motors offer superior performance in half the weight and size, at a fraction of the carbon footprint of traditional motors, making them pound for pound the most efficient in the world. Infinitum motors open up sustainable design possibilities for the machines we rely on to be smaller, lighter and quieter, improving our quality of life while also saving energy and reducing waste. Based in Austin, Texas, Infinitum is led by a team of industry experts and pioneers. To learn more, visit http://goinfinitum.com/. Senior Software/Firmware Engineer Position Summary We're looking for a rare combination: a Senior Software Engineer with solid C# expertise who also has hands-on embedded systems experience. This is primarily an on-site position with occasional work-from-home flexibility; we are unable to sponsor visas. Key Responsibilities  Participate in the full C# development lifecycle — requirements capture, task estimation, implementation, testing, and deployment Interface C# applications with embedded devices (Modbus experience is a strong plus, motor related work a strong plus) Build and maintain CI/CD pipelines and automated testing workflows for the C# application Provide technical leadership and mentorship to less experienced engineers Contribute to embedded C firmware development, reviews, testing and debugging when not focused on C# work Qualifications Required: 5+ years of professional software/firmware engineering experience Solid proficiency in C# application development across the full SDLC Experience interfacing software with embedded devices, preferably Modbus or similar multi-drop serial interface Experience in a technical lead or team lead capacity Familiarity with Git and modern development workflows Preferred: Embedded C development background (FreeRtos a strong plus) Automated system verification testing experience (strong plus) Background in field support or sustaining engineering Comfort with electromechanical assemblies and common lab tools Soft Skills Strong communication skills; able to explain technical concepts to both engineers and non-technical stakeholders. Self-driven and comfortable taking ownership of projects. Ability to work collaboratively in cross-functional teams and across physically separated offices (different time-zones) Benefits: We have created a community at Infinitum, where everyone feels a sense of belonging and is working together to achieve our goals. Comprehensive Health Coverage (Medical/Dental/Vision) Short-Term & Long-Term Disability Coverage Health Savings Account (HSA) – includes employer contributions. Flexible Spending Account (FSA) & Limited Purpose Flexible Spending Account 401(k) – Traditional and Roth Stock Options Open Paid Time Off (PTO) 12 Paid Holidays Potential Relocation Assistance Flexible schedule – including hybrid possibilities Company Paid Lunch on Fridays Community Give-back Opportunities Infinitum embraces diversity and is an equal-opportunity employer.  Agency representatives, we appreciate your interest, but we've got this!     Offices: Austin, Texas, United States (Austin- TX);