Software Principal Engineer United States Jobs (On-site work)

Lead automation test development as a Principal Software Engineer in San Jose. This role requires 10+ years of hands-on experience, including deep expertise in Robot Framework, Selenium, C#, and Python. You will architect and expand test frameworks for UI and API, working closely with development...

Lead the future of Linux OS engineering on Arm-based platforms as a Senior Principal Software Engineer. This Austin-based role requires 8+ years of expertise in Linux kernel, device drivers, and system optimization using C/C++. Drive platform strategy, engage with the open-source community, and e...

Lead the architecture of Microsoft's AI Web Data Platform, powering Bing Search and AI Grounding at an internet scale. This Principal Software Engineer role requires expertise in large-scale distributed systems (Spark, Kafka) and AI/ML to process billions of documents daily. Bring your technical ...

Lead architectural vision and high-level design for major projects as a Principal Software Engineering Architect. This role requires 15+ years with Java, Oracle, and Springboot, plus leadership in mentoring teams and client relations. Enjoy competitive pay, comprehensive benefits, and flexible wo...

Seeking a Principal Software Engineer with Top Secret clearance for the C3BM Division in Bedford. This role requires 20+ years of DoD experience and full lifecycle software development expertise for critical battle management systems. We offer a comprehensive benefits package including medical, 4...

Seeking a Principal Software Engineer with Top Secret clearance for the C3BM Division in Bedford. This role requires 20+ years of DoD experience, full lifecycle software development expertise, and IAT Level II certification. You will support critical battle management systems, enjoying robust ben...

Lead the development of cutting-edge ad rendering UX at Microsoft in Redmond. As a Principal Software Engineer, you'll architect versatile libraries and leverage data to optimize the full ads stack. This role requires 6+ years of coding experience in C++, C#, Java, or Python. Join a key team driv...

Lead the technical vision for FreeWheel's Programmatic Demand platform as a Principal Software Engineer. This senior role requires 15+ years of experience building scalable distributed systems in Python/C++/Java/Go within the ad-tech/media industry. You will architect core features, mentor engine...