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Principal Software Engineer United States Jobs

451 Job Offers

Principal Software Engineer - Backend - Architecture & Design
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Principal Software Engineer – Backend role at Microsoft Security in Redmond, WA. Design and implement high-quality, maintainable code for Microsoft Defender for Office, integrating AI capabilities and GPU utilization. Requires 6+ years in C, C++, C#, Java, or Python with a Bachelor’s in CS. Join ...
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United States , Redmond
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Join Microsoft’s Industry Solutions Engineering team as a Principal Software Engineer. You’ll build innovative AI solutions on Azure, collaborating directly with customers to solve complex challenges. Requires a BS in CS or related field with 6+ years coding in C, C++, C#, Java, JavaScript, or Py...
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United States , Multiple Locations
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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United States , Oakland
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225813.00 - 282266.00 USD / Year
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Fivetran
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Principal Software Engineer
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Join Microsoft AI in Redmond as a Principal Software Engineer to drive cutting-edge Grounding AI and LLM integration. You will architect scalable APIs and platforms, reducing hallucinations by connecting models to real-time web data. Ideal for senior engineers with 6+ years in C++, Python, or Jav...
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United States , Redmond
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer (Cortex Platform)
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Principal Backend Engineer sought to scale the Cortex Platform (XSOAR, XDR, XSIAM) in San Francisco. Leverage 8+ years of experience in Go/Python, microservices (Kubernetes, Docker), and cloud platforms (GCP, AWS) to lead end-to-end development. Drive technical excellence, solve complex distribut...
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United States , San Francisco
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Not provided
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Palo Alto Networks
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Principal Software Engineer (Cortex Platform)
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United States , San Francisco
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Palo Alto Networks Italia
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Principal Cloud Software Engineer
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United States , Annapolis Junction
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Riverstone Enterprise Solutions
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Principal Software Engineer
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United States , Annapolis Junction
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Riverstone Enterprise Solutions
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Principal Software Engineer - Frontend (Strata Cloud Manager)
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United States , Santa Clara
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Salary
147000.00 - 237500.00 USD / Year
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Palo Alto Networks
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Principal Software Engineer (Malware Detection)
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United States , Santa Clara
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162700.00 - 263175.00 USD / Year
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Palo Alto Networks
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Principal Software Engineer
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United States , Redmond
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163000.00 - 296400.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer
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Join Microsoft AI as a Principal Software Engineer on the Copilot Discover team in Redmond. You will define the end-to-end architecture for AI-powered discovery experiences, shaping scalable systems for content ingestion, ranking, and personalization. This role requires deep expertise in C++, C#,...
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United States , Redmond
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163000.00 - 296400.00 USD / Year
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Microsoft Corporation
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Principal Software Engineer - Senior Vice President
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United States , Jersey City
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176720.00 - 265080.00 USD / Year
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Citi
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Principal Software Engineer (AI / Agentic Developer Productivity)
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Principal Software Engineer (AI/Agentic Developer Productivity) – Redmond, WA. Build the agentic engineering platform powering all of Microsoft. Requires 6+ years coding in C++, Python, or Java, plus expertise in Agent SDKs, LLMs, LangChain, and RAG. Drive AI-first development, mentor engineers, ...
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Location
United States , Redmond
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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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United States , Redmond
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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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United States , Redmond
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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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United States , Bowie
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Not provided
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Robert Half
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Principal Software Engineer
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Principal Software Engineer role at Microsoft CO+I in Redmond, WA. Design next-gen AI-driven platforms for global datacenter infrastructure, focusing on telemetry intelligence, anomaly detection, and autonomous operations. Requires 6+ years coding in C++, Python, or Java with a Bachelor's in CS. ...
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United States , Redmond
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139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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Senior Principal Engineer Software
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Senior Principal Software Engineer sought by BAE Systems in Hudson, NH to develop next-gen electronic systems for national security. Requires 8+ years experience with C/C++, Python, and real-time embedded Linux, plus container technologies (Kubernetes, Docker). Ideal candidate has DSP/SDR experie...
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United States , Hudson, New Hampshire
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Salary
132962.00 - 226035.00 USD / Year
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Baesystems
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Principal Software Engineer
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Principal Software Engineer needed to lead next-gen mobile experiences for frontline workers at Microsoft in Redmond. Drive architecture for offline-capable apps integrating with Dynamics 365 and Dataverse. Requires 8+ years experience, expertise in React, TypeScript, Kotlin, Swift, and AI-assist...
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Location
United States , Redmond
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Salary
139900.00 - 274800.00 USD / Year
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Microsoft Corporation
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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.