Software Engineer, Principal United States Jobs

Lead the architecture of a next-generation data platform for sophisticated financial institutions at Arcesium. This hands-on Principal Engineer role requires expertise in distributed systems, modern data lakes (Iceberg/Delta), and streaming tech (Kafka/Spark). Based in New York, you'll design hig...

Seeking a Principal Software Engineer in Bedford to support critical Command, Control, and Battle Management (C3BM) programs. This role requires an active Top Secret clearance, 20+ years of experience with DoD systems, and expertise in the full software development lifecycle. Join us to develop r...

Join our AI/ML team as a Principal Software Engineer in New York. You will design and deploy scalable ML systems and Agentic AI solutions, leveraging Python and cloud platforms. This role involves direct client collaboration, full-stack development, and driving innovation from discovery to produc...

Lead Android development for life-saving medical devices at Baxter Healthcare in Milwaukee. This principal role requires 5+ years in software engineering with expertise in Java/Kotlin, Android SDK, and regulated environments like IEC 62304. You'll architect robust software, influence team process...

Join Microsoft's Office of the CTO as a Principal Software Engineer. Explore next-gen distributed systems, storage, and networking to shape impactful products. Leverage your expertise in C/C++/Rust, Linux, and algorithms in a collaborative, mentoring role across the US.

Lead Android development for life-saving medical devices at Baxter Healthcare in Milwaukee. Utilize your 5+ years of software engineering and Kotlin/Java expertise to build robust, regulated software. Enjoy comprehensive benefits, including health coverage from day one and a strong 401(k) plan, w...

Lead Android development for life-saving medical devices at Baxter Healthcare in Milwaukee. Utilize your 5+ years of software engineering and Kotlin/Java expertise to build robust, regulated software in an Agile environment. This pivotal role offers impactful work with comprehensive benefits, inc...

Lead Android development for life-saving medical devices at Baxter Healthcare in Milwaukee. Utilize your expertise in Kotlin/Java and Android SDK to build robust, regulated software following IEC 62304. This principal role offers impactful work with comprehensive benefits, including health covera...

Join HPE Networking as a Senior Principal Software Engineer in Sunnyvale. Architect and test robust Data Center & Enterprise Campus solutions using BGP, EVPN-VXLAN, and AI/ML tech. Lead test strategy, automation with Python/Pytest, and enhance software quality for a global customer base. Enjoy a ...

Lead Android development for life-saving medical devices at Baxter Healthcare in Milwaukee. Utilize your 5+ years of software engineering and Kotlin/Java expertise to build robust, regulated software in an Agile environment. This pivotal role offers a comprehensive benefits package and the chance...

Lead the development of autonomous AI systems as a Senior Principal Software Engineer in Issaquah. This role requires 10+ years of experience, deep Python expertise, and hands-on work with generative AI tools like LangChain. You will design core platform components, define technical strategy, and...

Lead complex software development as a Principal Engineer in Englewood. Design scalable, high-volume transaction systems while mentoring engineering teams. Requires 7+ years' experience and expertise in distributed systems. Enjoy comprehensive benefits including medical, retirement plans, and tui...

Lead complex backend and full-stack development as a Principal Software Engineer in Mountain View. Leverage 15+ years of expertise in Java/Python/Kotlin and cloud platforms (AWS/GCP/Azure) to design elegant architectures and mentor senior talent. Drive technical direction and product roadmap in a...

Lead software development for a medical device company in San Diego. This Principal Engineer role requires 5+ years' experience in multi-threaded design within regulated environments. You will design, develop, and sustain critical software systems, adhering to strict quality management and design...

Lead the design and development of advanced software solutions as a Principal Software Engineer in Sparks, US. This role requires deep expertise in C#, Angular, TypeScript, and ASP.NET MVC within the SDLC. You will work independently, mentor others, and enjoy remote support with a provided laptop.

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 technical vision as a Principal Software Engineer in Los Angeles. Design and architect scalable, cloud-native systems using C#, microservices, and AWS. Mentor engineers and drive innovation for advanced manufacturing software. AI/ML experience is a plus.

Lead the evolution of Microsoft's core cloud services as a Principal Software Engineer in Redmond. Design and deliver large-scale, high-performance systems for OneDrive and SharePoint infrastructure. Leverage 6+ years of coding expertise in C#, Java, or Python to improve efficiency and ensure bus...

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 technical direction as a Principal Full Stack Engineer at a Berkeley startup revolutionizing circuit board design. Architect and implement critical systems using TypeScript/React and Python, from user management to core design tools. Drive consensus on solutions, mentor the team, and own com...