NewPrincipal Software Engineer / Principal AI Engineer - Commerce Platforms MicrosoftPrincipal Software Engineer / Principal AI Engineer - Commerce PlatformsRedmond, WA$142,800–$274,800 / yearExperience building or leading AI-powered solutions, production AI applications, LLM-enabled experiences, agentic workflows, intelligent automation, applied machine learning capabilities, or AI-assisted engineering practices. You will partner across engineering, product, research, data, security, compliance, and business teams to solve ambiguous technical challenges, deliver durable platform capabilities, and create business-critical impact at global scale.
NewSenior/Principal Software Engineer - Growth (CoreAI) MicrosoftSenior/Principal Software Engineer - Growth (CoreAI)Redmond, WA$119,800–$234,700 / 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 $160,200 - $261,000 per year. CoreAI – Platform and Tools is Microsoft’s AI‑first engineering organization, created to build the end‑to‑end Copilot & AI stack powering products like GitHub Copilot and Visual Studio Code.
NewPrincipal Software Engineer - GitHub Platform & Enterprise MicrosoftPrincipal Software Engineer - GitHub Platform & EnterpriseRedmond, WA$165,600–$296,400 / yearChampion security across GitHub Actions by designing and implementing isolation mechanisms for untrusted code execution, ensuring compliance with enterprise security requirements, and partnering with Security teams to protect against vulnerabilities in our services. 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.
NewPrincipal Software Engineer, Foundry Agents - CoreAI MicrosoftPrincipal Software Engineer, Foundry Agents - CoreAIRedmond, WA$142,800–$274,800 / yearWithin CoreAI, the Foundry Agents organization is responsible for key ownership areas across the end‑to‑end agent lifecycle: (a) Foundry Agents platform to deploy and run agents securely at enterprise scale with seamless integration with governed tools, (b) model fine‑tuning to train and improve agentic performance, and (c) Foundry observability to generate insights from agentic traces and continuously evaluate and optimize agents. Masters Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
NewPrincipal Software Engineer MicrosoftPrincipal Software EngineerRedmond, WA$142,800–$274,800 / yearBachelors Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python Masters Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. More broadly, OCTO leads investments in emerging technical bets, provides technical insights, and drives high-priority company-wide AI initiatives, while partnering closely with engineering, research, and product teams.
NewPrincipal Software Engineer - AI Safety and Security MicrosoftPrincipal Software Engineer - AI Safety and SecurityRedmond, WA$142,800–$274,800 / yearYou will lead through code and ideas: defining detailed architectures, building large-scale data and detection systems, working through security and privacy reviews, and partnering with cross-company leaders, product engineers, applied scientists, threat hunters, and incident responders from early exploration through production operation. Bachelors Degree in Computer Science or related technical field AND 6+ years technical engineering experience, including significant ownership of distributed data, platform, or security products with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
NewPrincipal Software Engineer, Online Ads Systems MicrosoftPrincipal Software Engineer, Online Ads SystemsRedmond, WA$142,800–$274,800 / yearBuilds knowledge, shares new ideas, and shares pinpoints of engineering tool gaps to improve software developer tools to support other programs, tools, and applications to create, debug, and maintain code for product features. 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.
NewPrincipal Software Engineer - Growth (CoreAI) MicrosoftPrincipal Software Engineer - Growth (CoreAI)Redmond, WA$165,600–$296,400 / yearAt this level, impact comes from building repeatable systems and raising the engineering bar: better experiment quality, better telemetry, safer rollouts, and clearer business outcomes — delivered through pragmatic execution and deep technical judgment. 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.
NewPrincipal Software Engineer - CoreAI MicrosoftPrincipal Software Engineer - CoreAIRedmond, WA$142,800–$274,800 / yearMasters Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Python, or Java OR Bachelors Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. Proactively improves troubleshooting guides (TSGs), wikis, tests, and telemetry to make on-call better, and recommends user-facing support documentation and additional test coverage to reduce likelihood of future user-initiated incidents.
NewPrincipal Software Engineering - AI Frameworks MicrosoftPrincipal Software Engineering - AI FrameworksRedmond, WA$142,800–$274,800 / 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 $188,000 - $304,200 per year. Bachelors Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
NewPrincipal Software Engineering Manager, CoreAI MicrosoftPrincipal Software Engineering Manager, CoreAIRedmond, WA$142,800–$274,800 / yearIn this role, as a Principal Software Engineering Manager you will lead a team of software engineers and work closely with partner teams of engineers, scientists, and product managers to build the industrys best Responsible AI services. 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.
NewPrincipal Software Engineering Manager MicrosoftPrincipal Software Engineering ManagerRedmond, WA$142,800–$274,800 / yearMasters Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. 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.
NewPrincipal Hardware Engineer, DC/DC Power MicrosoftPrincipal Hardware Engineer, DC/DC PowerRedmond, WA$142,800–$274,800 / yearDoctorate in Electrical Engineering, Computer Engineering, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, or related field AND 6+ years technical engineering experience. To achieve this goal, the CHSE (Cloud Hardware Systems Engineering) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
NewPrincipal Design Verification Engineer MicrosoftPrincipal Design Verification EngineerRedmond, WA$142,800–$274,800 / yearDoctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience. To achieve this goal, the Artificial Intelligence System on Chip (AISoC) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
Principal Applied Scientist, WW Fulfillment by Amazon - Global Supply Chain & Economics Science Amazon.com LLCPrincipal Applied Scientist, WW Fulfillment by Amazon - Global Supply Chain & Economics ScienceBellevue, WAThe FBA organization is looking for a Principal Applied Scientist with deep expertise in Operations Research, Reinforcement Learning, and strong modeling and analytical skills to join our cross-domain group of applied scientists, research scientists, economists, and data scientists building the intelligence layer for FBA's supply chain. Fulfillment by Amazon (FBA) is a service that enables sellers to outsource supply chain and fulfillment to Amazon and use Amazon's world-class science, technology, and logistics infrastructure to deliver billions of products from manufacturing hubs to customers worldwide with fast delivery promise.
NewPrincipal Subsystem Design Engineer MicrosoftPrincipal Subsystem Design EngineerRedmond, WA$142,800–$274,800 / yearTo achieve this goal, the Artificial Intelligence System on Chip (AISoC) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware. Drive design implementation, including microarchitecture specification, RTL development and integration using Verilog/SystemVerilog, synthesis, timing constraints, floor-planning considerations, performance optimization, and design-quality closure including CDC, lint, and RDC.
NewPrincipal Silicon Engineer - System Modeling MicrosoftPrincipal Silicon Engineer - System ModelingRedmond, WA$142,800–$274,800 / 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 $188,000 - $304,200 per year. To achieve this goal, the Interface IP Team team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale and sustainability related to Microsoft cloud hardware.
NewPrincipal Silicon Engineer MicrosoftPrincipal Silicon EngineerRedmond, WA$142,800–$274,800 / yearDoctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 5+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 12+ years technical engineering experience OR equivalent experience. Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience.
NewSenior Software Engineer - CoreAI MicrosoftSenior Software Engineer - CoreAIRedmond, WA$119,800–$234,700 / yearWe’re looking for a Senior Software Engineer - CoreAI with a track record of cross-team partnership, effective communication with engineering, executive leadership and sales, the ability to translate product questions into targeted data science investigations, and the ability to independently identify/execute/automate insightful analysis that improves Microsoft’s developer-focused AI suite and drives product growth. 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 $160,200 - $261,000 per year.
NewSenior Software Engineer - FDE MicrosoftSenior Software Engineer - FDERedmond, WA$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. We are a global team of world-class engineers who have been working in a Forward Deployed Engineering (FDE) model for more than a decade, embedding directly within customer teams to solve their toughest challenges, side-by-side, and shipping production-ready solutions in days, not months.