Principal Software Engineer – Infrastructure NVIDIAPrincipal Software Engineer – InfrastructureRedmond, CaliforniaYou will establish the multi-year technical direction, identify organization-wide challenges, and drive large-scale transformations from initial strategy through architecture, implementation, production adoption, and measurable outcomes. Outstanding communication and technical leadership skills, with a proven ability to build consensus, influence senior leaders, mentor experienced engineers, and lead through ambiguity.
Principal Software Engineer - Dataplane & Edge Infrastructure Blue Origin Enterprises LPPrincipal Software Engineer - Dataplane & Edge InfrastructureSeattle, WA$290,709–$406,991.55 / yearand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Principal Software Engineer, Ads Platform Frontend Microsoft CorpPrincipal Software Engineer, Ads Platform FrontendRedmond, WA$165,600–$296,400 / yearAs a Principal Software Engineer, you will play a key role in shaping the future of advertiser experiences by driving technical innovation across our platform and partnering with engineering, product, and design teams to deliver impactful solutions. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year.
Principal Software Engineer II - Next-Gen Data Transformations SnowflakePrincipal Software Engineer II - Next-Gen Data TransformationsBellevue, WashingtonDrive Technical Strategy for the AI Era: Provide technical leadership to senior management and multiple departments, influencing how Snowflake’s core compute fabric evolves to support the burgeoning Model Context Protocol (MCP), autonomous agent ecosystems and modern Python and Spark data processing workflows. Drive Customer Success through Direct Engagement: Partner with Snowflake’s most strategic customers and field engineering teams to translate massive-scale architectural challenges into core engine requirements, ensuring our processing primitives meet the real-world demands of the global Data Cloud.
Principal Software Engineer, CDN Starlink Space Exploration Technologies CorpPrincipal Software Engineer, CDN StarlinkRedmond, WA$260,000–$345,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
Senior Principal Software Engineer Microsoft CorpSenior Principal Software EngineerRedmond, WA$165,600–$296,400 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year. Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week.
Principal Software Engineer for Copilot Evals Microsoft CorpPrincipal Software Engineer for Copilot EvalsRedmond, WA$142,800–$274,800 / yearDevelop quality-attribution workflows that combine automated diagnosis with human review; route losses to the appropriate product, data, model, tool, orchestration, or evaluation owner; track remediation; add regression protection; and verify improvement in customer outcomes. Experience operating high-availability services and driving platform adoption across multiple product teams, with knowledge of competing AI models, platforms, and developer ecosystems and the ability to apply relevant external advances to Microsoft's evaluation and quality systems.
Principal Software Engineer - Windows App and Windows Platform Microsoft CorpPrincipal Software Engineer - Windows App and Windows PlatformRedmond, WA$142,800–$274,800 / yearDefine and drive the long-term architecture and technical strategy for major areas of Windows App and its native Windows platform, using modern C++ and C# where appropriate and integrating deeply with Win32, WinRT, COM, Windows services, and operating-system APIs. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year.
Principal Software Engineer MediaAlpha Inc.Principal Software EngineerBellevue, WA$200,000–$350,000 / yearYou own the architecture, health, and strategic technical direction across large and complex systems that span multiple teams-ensuring sound design, operational excellence, and alignment with business needs across the ecosystem. We are an intentionally small organization, designed for agility, speed, collaboration, and workability, where Principal Engineers serve as the technical authorities and go-to leaders across multiple teams and groups.
Principal Software Engineer MediaAlphaPrincipal Software EngineerBellevue, WA$200,000–$350,000 / yearYou own the architecture, health, and strategic technical direction across large and complex systems that span multiple teams—ensuring sound design, operational excellence, and alignment with business needs across the ecosystem. We are an intentionally small organization, designed for agility, speed, collaboration, and workability, where Principal Engineers serve as the technical authorities and go-to leaders across multiple teams and groups.
Principal Software Engineer, Cloud Platform JPMorgan Chase & CoPrincipal Software Engineer, Cloud PlatformSeattle, WAContribute to the design and development of AI agents and Model Context Protocol (MCP) integrations using frameworks built on top of Google ADK, Anthropic SDKs, etc. and related tooling to enable intelligent, scalable platform automation. Demonstrated proficiency with AI-assisted coding workflows, including experience with LLM-powered development tools, spec-driven development methodologies, and prompt engineering for software engineering use cases.
Principal Software Engineer LambdaPrincipal Software EngineerBellevue, WashingtonOur investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove. Own the multi-year technical strategy for Lambda's networking software roadmap covering tools, software and services supporting backend GPU fabric, frontend networks, backbone, edge and everything in between.
NewPrincipal Software Engineer Lambda IncPrincipal Software EngineerBellevue, WAOur investors notably include TWG Global, US Innovative Technology Fund (USIT), Andra Capital, SGW, Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, Gradient Ventures, Mercato Partners, SVB, 1517, and Crescent Cove. Own the multi-year technical strategy for Lambdas networking software roadmap covering tools, software and services supporting backend GPU fabric, frontend networks, backbone, edge and everything in between.
Principal Software Engineer, Consumer-Focused Platform HasbroPrincipal Software Engineer, Consumer-Focused PlatformRenton, WashingtonAs Principal Software Engineer, you'll define the platform's technical architecture, spanning Salesforce Commerce Cloud, Salesforce OMS, SAP, Braintree, and Hasbro's identity systems, and direct how AI and automation get incorporated across the commerce lifecycle, from customer engagement to fulfillment. As a senior technical leader, you'll architect systems, support engineers, and guide teams across storefront, OMS, data, and fulfillment areas, so technology supports every fan interaction at scale.
Principal Software Engineer- Eng UKG IncPrincipal Software Engineer- EngSeattle, WA$163,900–$270,883 / yearYou will work in an agile environment, partnering closely with engineers, product managers, architects, and leadership across the HCM portfolio to deliver secure, scalable, observable, and AI-ready services. With the world''s largest collection of workforce insights, and people-first AI, our ability to reveal unseen ways to build trust, amplify productivity, and empower talent, is unmatched.
Senior Principal Software Engineer - DPU Programming Oracle CorpSenior Principal Software Engineer - DPU ProgrammingSeattle, WA$135,200–$306,400 / yearAs a recognized expert, you will deliver complex solutions for OCI's networking and storage needs, mentor senior engineers, drive strategy, and be responsible for cross-team alignment and delivery of mission-critical services. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle''s differing products, industries and lines of business.
NewPrincipal Software Engineer Atlassian CorpPrincipal Software EngineerSeattle, WAOwn customer-facing product features end to end across the full stack - React/TypeScript front ends, backend services, and APIs - taking ambiguous problems all the way to shipped, measured outcomes. You'll own customer-facing products end to end across the full stack, shape what gets built rather than just how, and build the next generation of AI-native and agentic experiences used by teams all over the planet.
Principal Software Engineer HasbroPrincipal Software EngineerRenton, Washington$172,600–$259,000 / yearThe Digital Innovations Team (DigIT) is changing how Wizards develops, delivers, and manages the digital systems behind our games — for players, retailers, and the studios that develop our worlds. We are seeking a Principal Software Engineer who can guide product ideas through every stage with agentic AI — from defining the problem with business partners, to developing the system, to deploying it in production, and then improving it based on actual data.
Principal Software Engineer, AI Compute Platform ARM LtdPrincipal Software Engineer, AI Compute PlatformSeattle, WA$262,700–$355,400 / yearYou will develop control-plane services, APIs, orchestration systems, and developer tools for distributed training and inference, working closely with compute infrastructure teams, AI engineers, and internal users to improve reliability, scalability, and developer productivity across Arm's AI workloads. As a Principal Software Engineer on the AI Compute Platform team, you will design and build a secure, reliable, and easy-to-use platform for running AI workloads at scale.
Principal Software Engineer, AI Inference Runtime ARM LtdPrincipal Software Engineer, AI Inference RuntimeSeattle, WA$262,700–$355,400 / yearResponsibilities: Define the architecture, interfaces, and roadmap for AI inference runtime capabilities, including abstractions that support evolving models, workloads, and compute platforms. Enable new model architectures end to end through operator support, production validation, and optimization of scheduling, batching, model execution, memory management, and KV-cache efficiency.