Software Engineer, Principal Jobs

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.

Join Palo Alto Networks in Tel Aviv as a Principal Software Engineer for Cortex AgentiX. Develop scalable backend services for cutting-edge security products like Cortex XSOAR and AI solutions. Leverage your 5+ years of experience in Go/Python, cloud platforms, and AI integration within a dynamic...

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...

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 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...

Join Dell in Warsaw as a Senior Principal Software Engineer in Data Path Engineering. Design and develop cutting-edge Big Data storage systems using C/C++ and Python. Leverage your 10+ years of experience in complex, high-performance software and distributed systems. Enjoy top benefits like priva...

Lead the React Native migration at Zalando as a Senior Principal Engineer in Berlin. You will architect high-performance mobile platforms for 50M+ users, leveraging deep expertise in Fabric and native tooling. Champion a performance-first culture while enjoying a hybrid model, relocation support,...

Lead the development of Microsoft Azure Storage, a globally distributed cloud system. As a Principal Software Engineer in Bangalore, you'll drive technical excellence, design scalable solutions, and mentor teams. Requires 12+ years of experience in C/C++/C#/Java/Python and distributed systems. Sh...

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 a major digital transformation as a Principal Software Engineer. This initial 6-month contract outside IR35 requires expertise in TypeScript (Node/React), AWS, and event-driven MACH architecture. You will re-architect platforms to cloud-native microservices, providing technical vision and go...

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...

Join PointClickCare as a Principal Software Engineer in Mississauga. Develop scalable healthcare solutions using Java, Spring Boot, and Azure cloud services. Champion TDD and CI/CD in a culture that values innovation and offers exceptional benefits from day one.

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...

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 the development of innovative AI-driven healthcare solutions in Boston. This Principal Software Engineer role requires 8+ years of experience, with deep expertise in Node.js, TypeScript, React, and AWS. Design scalable systems, mentor engineers, and enjoy comprehensive benefits including med...

Join a new internal startup as a Principal Python Engineer with LLM expertise. Design and build an intelligent AI platform to revolutionize developer experience for thousands. Integrate cutting-edge LLMs and AI agents into core workflows using Python. Enjoy a hybrid model from Kielce, Kraków, or ...