• Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …a massive impact on our IDNA business. We are looking to hire a Principal Software Engineer - Backend , to join the Conditional Access team. Our charter ... + 6+ years of experience designing, developing, or maintaining secure software systems, with applied knowledge of authentication, data protection, access control,… more
    Microsoft Corporation (12/06/25)
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  • Principal Engineer Software

    Palo Alto Networks (Seattle, WA)
    …through runtime. We are looking for a highly skilled and experienced Senior Staff Engineer to join the Prisma AIRS Model Security team. In this role, you will ... part in designing, developing, and optimizing robust, scalable, and high-performance backend systems that power our cutting-edge AI security platform. **This role… more
    Palo Alto Networks (11/12/25)
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  • Principal , Software Engineer

    Walmart (Bellevue, WA)
    …across stores, digital channels, and distribution centers. **What you'll do ** As a Principal , Software Engineer for Walmart's new Developer super agent, ... and GitHub apps** that provide seamless AI-assisted development workflows + Architect scalable backend services that support the client tooling that will be used by… more
    Walmart (11/25/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …platform across Microsoft. We are looking for a ** Principal Software Engineer ** who combine deep technical experience in backend , data, and ML systems ... test planning, validation, and success criteria to ensure resilient and high-quality software and service delivery. + Establish and apply engineering metrics to… more
    Microsoft Corporation (12/06/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …of how business applications are designed and delivered. We are looking for a ** Principal Software Engineer ** to join Copilot Studio's AI Knowledge team, ... experiment with, and productize new AI capabilities. As a Principal Software Engineer , your role...backend development, successfully shipping services through multiple releases. Software Engineering IC5 - The typical base pay range… more
    Microsoft Corporation (12/09/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …functionality that would otherwise be too scary/risky to do. We are looking for a Principal Software Engineer to identify areas of risk and opportunity, then ... decisions. You will possess a methodical approach to problem-solving, proficiency in backend technologies, and the ability to architect solutions that stand the test… more
    Microsoft Corporation (12/05/25)
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  • (USA) Principal , Software

    Walmart (Bellevue, WA)
    …in this role Join our innovative and dynamic People Technology engineering team as a Principal Software Engineer . In this role, you'll play a crucial part ... Collaborate with cross functional teams including business, product, and other software engineers to understand the business problem, review business requirements,… more
    Walmart (10/17/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …group that values curiosity, craftsmanship, and a growth mindset. We're seeking a ** Principal Software Engineer ** who's excited to explore new technologies, ... compatibility (Chromium, Firefox, Safari, Edge). + Protocol and Graphics Innovation: Engineer solutions that require a strong understanding of RDP internals,… more
    Microsoft Corporation (12/06/25)
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  • Sr Principal Engineer

    Palo Alto Networks (Seattle, WA)
    …from development through runtime. We are looking for a highly skilled and experienced Senior Principal Engineer to join the Prisma AIRS to play a crucial part in ... designing, developing, and optimizing robust, scalable, and high-performance backend systems that power our cutting-edge AI security platform. **This role is located… more
    Palo Alto Networks (09/25/25)
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  • Principal Software Engineer

    Snap Inc. (Seattle, WA)
    …fast, with precision, and always execute with privacy at the forefront. ​We're looking for a Principal Software Engineer to join the Growth Team at Snap Inc! ... that spans the entire company. Knowledge, Skills and Capabilities: + Experience with backend services or distributed systems + Experience in at least one of the… more
    Snap Inc. (11/26/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …for both end users and modern applications. ​ ​​The Fabric IQ team is hiring a Principal Software Engineer to lead the design and implementation of the ... backend data services. Microsoft Fabric IQ is the new...guide senior engineers on system design, performance optimization, and software craftsmanship. Define patterns for observability, reliability, and automation… more
    Microsoft Corporation (12/07/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    **Overview** Microsoft Advertising is seeking a ** Principal Software Engineer ** to join our **Ads Engineering Platform** team and advance the core ... C++ OR equivalent experience. + Industry experience in **advertising or search engine backend systems** , such as large-scale ad ranking, real-time bidding (RTB), or… more
    Microsoft Corporation (12/06/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …experiences safe and seamless across Windows, Edge, web, and mobile. We're seeking a hands-on Principal Software Engineer to define and lead the strategy for ... new ones where needed. This role demands a rare blend of deep backend engineering expertise, mastery of modern consumer identity protocols, and the ability to… more
    Microsoft Corporation (11/26/25)
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  • Principal Software Engineer

    Microsoft Corporation (Redmond, WA)
    …- while preserving privacy, security, performance, and scale. We are looking for a ** Principal Software Engineer ** with to lead the design and development ... Copilot teams. You will possess a methodical approach to problem-solving, proficiency in backend and data technologies, a familiarity with applied AI and its unique… more
    Microsoft Corporation (11/26/25)
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  • Senior Principal Software

    Robert Half Technology (Issaquah, WA)
    Description We are looking for an experienced Software Developer to join our innovative team in Issaquah, Washington. In this role, you will contribute to designing ... Requirements * At least 10 years of experience in software engineering roles. * A minimum of 4 years...tools like LangChain and LlamaIndex. * Strong expertise in backend development and production systems. * Ability to thrive… more
    Robert Half Technology (11/16/25)
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  • Principal AI Engineer

    Microsoft Corporation (Redmond, WA)
    …end users and modern applications. ​ ​​The Real-Time Intelligence team is hiring a Principal AI Engineer to lead real-time AI that powers agentic workflows on ... CI/CD). ​ - Strong proficiency in Python (and/or another backend language such as C# or Java) and experience...to both technical and non-technical stakeholders. ​ \#azdat \#azuredata Software Engineering IC6 - The typical base pay range… more
    Microsoft Corporation (12/03/25)
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  • Principal Machine Learning Engineer

    Oracle (Seattle, WA)
    …iterate on self-correcting behavior. You will work at the intersection of backend engineering and applied ML, integrating LLMs, retrieval, enterprise data, and ... in Computer Science or equivalent experience. + 3+ years of professional software development experience + Strong coding skills in Java, Python and familiarity… more
    Oracle (12/04/25)
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  • Sr. Principal - Machine Learning…

    Oracle (Seattle, WA)
    …that use LLMs to plan, reason, and take actions across complex software workflows. You will architect tool-using, multi-step agents, define outcomes and constraints, ... drive continuous self-correction loops. You will work at the intersection of backend engineering and applied ML, integrating LLMs, retrieval, enterprise data, and… more
    Oracle (12/03/25)
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  • Principal Software Developer - OCI…

    Oracle (Seattle, WA)
    …applications and agents that integrate seamlessly with cloud services. Role Summary As a Principal Software Engineer (IC4), you will contribute to the design ... Science or related technical field. - 6+ years of experience in backend software development with cloud infrastructure or 6+ years of experience in frontend… more
    Oracle (11/25/25)
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  • Senior Staff Software Engineer

    Warner Bros. Discovery (Bellevue, WA)
    …and architecture, serving as a senior resource for other developers as they build software components. The engineer needs to be both a strong individual ... streaming obsession into a career- we're hiring! Meet Our Team: DTC's many software engineering teams build applications for the web, mobile, tablets, connected TVs,… more
    Warner Bros. Discovery (10/06/25)
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