{"schemaVersion":"jobsearcher.job.v1","id":"3f5ef69116408039d0697cbb","url":"https://jobsearcher.com/jobs/3f5ef69116408039d0697cbb","canonicalUrl":"https://jobsearcher.com/jobs/3f5ef69116408039d0697cbb","title":"Senior Software/Firmware Engineer","description":"About UsInfinitum 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 goinfinitum.com.Senior Software/Firmware EngineerPosition SummaryWe'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 ResponsibilitiesParticipate in the full C# development lifecycle — requirements capture, task estimation, implementation, testing, and deploymentInterface 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# applicationProvide technical leadership and mentorship to less experienced engineersContribute to embedded C firmware development, reviews, testing and debugging when not focused on C# workQualificationsRequired:5+ years of professional software/firmware engineering experienceSolid proficiency in C# application development across the full SDLCExperience interfacing software with embedded devices, preferably Modbus or similar multi-drop serial interfaceExperience in a technical lead or team lead capacityFamiliarity with Git and modern development workflowsPreferredEmbedded C development background (FreeRtos a strong plus)Automated system verification testing experience (strong plus)Background in field support or sustaining engineeringComfort with electromechanical assemblies and common lab toolsSoft SkillsStrong 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) BenefitsWe 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 CoverageHealth Savings Account (HSA) – includes employer contributions.Flexible Spending Account (FSA) & Limited Purpose Flexible Spending Account401(k) – Traditional and RothStock OptionsOpen Paid Time Off (PTO)12 Paid HolidaysPotential Relocation AssistanceFlexible schedule – including hybrid possibilitiesCompany Paid Lunch on FridaysCommunity Give-back OpportunitiesInfinitum embraces diversity and is an equal-opportunity employer. Agency representatives, we appreciate your interest, but we've got this!","company":"Infinitum","rawCompany":"infinitum","city":"Austin","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-04-12T17:49:27.029Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1253.00","title":"Software Quality Assurance Analysts and Testers","slug":"software-quality-assurance-analysts-and-testers"}],"industries":[{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Software/Firmware Engineer","description":"About UsInfinitum 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 goinfinitum.com.Senior Software/Firmware EngineerPosition SummaryWe'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 ResponsibilitiesParticipate in the full C# development lifecycle — requirements capture, task estimation, implementation, testing, and deploymentInterface 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# applicationProvide technical leadership and mentorship to less experienced engineersContribute to embedded C firmware development, reviews, testing and debugging when not focused on C# workQualificationsRequired:5+ years of professional software/firmware engineering experienceSolid proficiency in C# application development across the full SDLCExperience interfacing software with embedded devices, preferably Modbus or similar multi-drop serial interfaceExperience in a technical lead or team lead capacityFamiliarity with Git and modern development workflowsPreferredEmbedded C development background (FreeRtos a strong plus)Automated system verification testing experience (strong plus)Background in field support or sustaining engineeringComfort with electromechanical assemblies and common lab toolsSoft SkillsStrong 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) BenefitsWe 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 CoverageHealth Savings Account (HSA) – includes employer contributions.Flexible Spending Account (FSA) & Limited Purpose Flexible Spending Account401(k) – Traditional and RothStock OptionsOpen Paid Time Off (PTO)12 Paid HolidaysPotential Relocation AssistanceFlexible schedule – including hybrid possibilitiesCompany Paid Lunch on FridaysCommunity Give-back OpportunitiesInfinitum embraces diversity and is an equal-opportunity employer. Agency representatives, we appreciate your interest, but we've got this!","datePosted":"2026-04-12T17:49:27.029Z","dateModified":"2026-04-12T17:49:27.029Z","hiringOrganization":{"@type":"Organization","name":"Infinitum","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Austin","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"3f5ef69116408039d0697cbb"},"url":"https://jobsearcher.com/jobs/3f5ef69116408039d0697cbb"}}