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Principal Software Engineer United States, Mountain View Jobs

14 Job Offers

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Principal Software Engineer, Security AI
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Principal Software Engineer, Security AI – Mountain View. Design and build AI-powered services securing Microsoft’s cloud at scale. Leverage LLMs, RAG, and knowledge graphs to create intelligent security workflows. Requires 6+ years coding in Python/C++ and expertise in AI/ML systems. Join a team...
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Location
United States , Mountain View
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Salary
142800.00 - 304200.00 USD / Year
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Microsoft Corporation
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Until further notice
Principal Software Engineer - Simulation & Digital Twin Architect
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Lead the software architecture for GM’s manufacturing Digital Twin & Simulation Platform as a Principal Engineer. This role requires 10+ years of experience, deep expertise in Unity, Unreal, or NVIDIA Omniverse, and strong C++/C# skills. You will own end-to-end architecture, integrate PLM/CAD/MES...
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United States , Austin;Warren;Mountain View
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Salary
Not provided
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General Motors
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Principal Software Engineer - Android platform/AOSP/AAOS
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Principal Software Engineer (Android/AOSP/AAOS) sought for a remote role based near Mountain View, CA. Lead the embedded Android platform strategy for GM Infotainment, driving architecture, innovation, and performance optimization. Requires 10+ years embedded experience, 5+ years with Android AOS...
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United States , Mountain View
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Salary
238700.00 - 302200.00 USD / Year
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General Motors
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Until further notice
Principal Software Engineer
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Principal Software Engineer role on Microsoft’s Azure AI Core team in Mountain View, CA. Design and build scalable, high-performance AI systems for real-time audio, image, and video generation. Requires 6+ years in distributed systems, API design, and AI/ML solutions with C#, Python, or Java. Joi...
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Location
United States , Mountain View
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Until further notice
Principal Software Engineer
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Principal Software Engineer role at Microsoft in Mountain View, CA, driving AI-first architecture for Power Platform and Dynamics 365. You will design high-scale distributed systems on Linux/Kubernetes using Python and FastAPI, lead incident response, and ensure global reliability. Requires 6+ ye...
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Location
United States , Mountain View
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Salary
139900.00 - 304200.00 USD / Year
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Microsoft Corporation
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Until further notice
Principal Software Engineer - Performance
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Lead AI inference performance for OpenAI and leading LLMs at Microsoft. Optimize models on NVIDIA, AMD, and custom silicon to serve trillions of daily inferences. Drive Azure's AI capex goals with cutting-edge software tools in a collaborative team. Requires 6+ years in C++/Python and a backgroun...
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Location
United States , Mountain View
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Until further notice
Principal Software Engineer - System Optimization
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Lead AI performance optimization for OpenAI models at Microsoft. Drive inference efficiency across NVIDIA, AMD, and custom silicon in large-scale production. This senior role requires deep C++/Python expertise and offers technical leadership in a collaborative, cutting-edge environment.
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Location
United States , Mountain View
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Until further notice
Principal Software Engineer - Responsible AI
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Lead the development of scalable, high-performance Responsible AI services at Microsoft. Design and build customer-facing AI solutions integrated with Azure AI Content Safety and OpenAI. Requires 6+ years in cloud services and 4+ in ML operations, with expertise in C++, Python, or similar. Join a...
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Location
United States , Mountain View
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Until further notice
Principal Software Engineer - AI Ads
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Lead the future of AI-driven advertising as a Principal Software Engineer at Microsoft AI. Design and optimize large-scale shopping ads infrastructure using cutting-edge AI, big data, and deep learning (PyTorch/TensorFlow). Collaborate with top scientists to build global, real-time systems in Mou...
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Location
United States , Mountain View, CA or Redmond, WA
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Lead the architecture for Microsoft's global Secure Access Service Edge (SASE) platform. As a Principal Software Engineer, you will define the technical roadmap for identity-aware security and networking services. Drive engineering excellence and AI adoption in a high-scale, cloud-native environm...
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Location
United States , Mountain View
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Until further notice
Principal Software Engineer - Growth (CoreAI)
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United States , Mountain View
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Salary
163000.00 - 296400.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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United States , Redmond; Mountain View
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
Expiration Date
Until further notice
Principal Software Automation Engineer
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Lead automation strategy for Microsoft's high-performance cloud infrastructure. Define standards and roadmaps for HPC and Azure platform integrations. This senior role requires deep coding expertise and leadership to build and mentor a team. Based in Mountain View, it offers impact at a global sc...
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Location
United States , Mountain View
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer - Microsoft Teams
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Lead the evolution of Microsoft Teams as a Principal Software Engineer. Design and maintain high-scale backend services using Azure and modern tech stacks like .NET Core. Drive AI innovation by integrating LLMs and generative AI to power Teams Copilot. Join a premier team in Mountain View, shapin...
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Location
United States , Mountain View
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Salary
139900.00 - 274800.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice

About the Principal Software Engineer role

Explore the pinnacle of a technical career with Principal Software Engineer jobs. This senior-level role represents the apex of individual contributor tracks, where technical mastery converges with strategic leadership. A Principal Software Engineer is not just a senior coder; they are the visionary architects and technical pillars of an organization, responsible for setting long-term technological direction and solving the most complex, large-scale challenges. Their work ensures that engineering efforts align with overarching business goals, creating robust, scalable, and future-proof systems.

Professionals in these roles typically shoulder a broad and impactful set of responsibilities. Central to their function is leading the architectural vision for major systems or entire platforms. They define the technical standards, select core technologies, and make critical decisions on system design with a focus on scalability, reliability, security, and performance. A significant part of their day involves deep collaboration, not only mentoring senior and junior engineers but also partnering with product managers, senior management, and other stakeholders to shape the technology roadmap. They are often the go-to experts for de-risking projects, conducting proof-of-concepts for new technologies, and providing technical guidance across multiple teams. Furthermore, they champion engineering excellence by driving initiatives around agile methodologies, CI/CD pipelines, DevOps practices, and robust quality assurance.

The typical skill set for a Principal Software Engineer is extensive and deep. A common requirement is 10+ years of progressive experience in software development, demonstrating a proven track record of designing, delivering, and maintaining complex, consumer-facing or enterprise-level systems. Expertise in modern technology stacks is essential, often including proficiency in languages like Java, Kotlin, C#, Python, or Go, and familiarity with front-end frameworks like React or Angular. A deep, practical understanding of distributed systems, cloud-native architectures (on platforms like AWS, Azure, or GCP), and containerization technologies like Docker and Kubernetes is standard. They are expected to be experts in API design, data modeling, and often, event-driven architectures using tools like Kafka. Beyond pure technical acumen, exceptional soft skills are non-negotiable. This includes superior communication abilities to articulate complex technical concepts to diverse audiences, strong leadership and mentorship capabilities, and outstanding analytical and problem-solving skills. While a Bachelor's degree in Computer Science is common, equivalent industry experience is often highly valued.

Ultimately, Principal Software Engineer jobs are for those who want to leave a lasting imprint on a company's technology. They are the strategic thinkers and technical pioneers who build the foundations upon which products and services thrive, making them one of the most critical and respected roles in the technology industry. If you are ready to guide technical strategy and mentor the next generation of engineers, exploring Principal Software Engineer jobs is your next career step.