Senior Software/Firmware Engineer

Infinitum • Austin, TX

12h • Hybrid

About The Position

We are seeking a Senior Software and/or Firmware Engineer with 5+ years of professional experience to join our development team. The ideal candidate is a strong technical contributor who can also provide leadership across a small team, guide design decisions, and deliver high-quality software across the full development lifecycle. This role involves C# application development with opportunities to contribute to embedded C firmware projects.

Requirements

• 5+ years of experience as a software and/or firmware engineer.
• Demonstrated experience in technical leadership or team lead roles.
• Proficiency in C# application development.
• Strong understanding of the full software development lifecycle.
• Experience with version control systems (e.g., Git) and modern development workflows.

Nice To Haves

• Embedded C development experience.
• Experience building and maintaining CI/CD pipelines (Azure DevOps, GitHub Actions, GitLab CI, Jenkins, etc.).
• Background in automated unit testing and automated compliance or validation testing.
• Background in field support and/or sustaining
• Experience working with electromechanical assemblies and common lab tools

Responsibilities

• Design, develop, and maintain C# applications, tools, and services.
• Collaborate with stakeholders to capture requirements, estimate tasks, and translate high-level needs into actionable engineering work.
• Own the full development lifecycle, including requirements capture, task creation, implementation, testing, documentation, and deployment.
• Provide oversight and mentor small engineering teams (2+ members) through planning, design, implementation, and review.
• Provide architectural guidance and ensure adherence to best practices, coding standards, and development processes.
• Contribute to embedded C firmware development/reviews/debugging/sustaining for microcontrollers.
• Drive and maintain CI/CD workflows, including automated builds, automated unit tests, and automated compliance/testing pipelines.
• Promote automation, reliability, and reproducibility within the development process.

Benefits

• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 101-250 employees