NewPrincipal Software Engineer (AI / Agentic Developer Productivity) MicrosoftPrincipal Software Engineer (AI / Agentic Developer Productivity)Redmond, WA$142,800–$274,800 / yearES365 owns the tools and systems used by thousands of Microsoft developers who innovate across the companys largest codebases, from source control and check-in experience to build, validation, and deployment automation. For additional context, example workstreams have included AI-assisted large-scale codebase refactoring, automated package integrations, deep architectural Q&A over codebases, and human-in-the-loop directed code changes.
NewSoftware Engineer III Epitec StaffingSoftware Engineer IIIRedmond, WA$77.20–$90.30 / hourDesign, implement, and maintain test infrastructure used to evaluate perceptual quality metrics, including latency, accuracy, quality, and motion-to-photon performance. Create clear technical documentation covering designs, testing strategies, implementation details, and validation results.
Senior/Software Engineer II - Backend MicrosoftSenior/Software Engineer II - BackendRedmond, WA$102,100–$202,200 / yearMasters Degree in Computer Science or related technical field AND 3+ 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 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python. 2+ years of experience designing, building, and operating scalable, highly available cloud services or distributed systems on platforms such as Azure, AWS, GCP, or comparable cloud environments, with production ownership, CI/CD pipeline integration, and automated testing practices.
Software Engineer II -CTJ - Poly MicrosoftSoftware Engineer II -CTJ - PolyRedmond, WA$100,600–$199,000 / yearAdditional/Preferred Qualifications: Masters Degree in Computer Science or related technical field AND 2+ 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 4+ 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 $131,400 - $215,400 per year.
Principal Software Engineer MicrosoftPrincipal Software EngineerRedmond, WA$142,800–$274,800 / yearOwning the architecture and run-state reliability of AI-driven support workflows; defining the reliability bar for incident response and live-site health; and serving as a designated responsible individual (DRI) who leads incident retrospectives to identify root causes, owns repair actions, and prevents recurrence across the platform. Industry or company-wide thought leadership in AI engineering—for example, driving adoption of emerging technologies, representing engineering to executives and external audiences, or contributions such as patents, publications, or widely adopted internal frameworks.
Research Software Engineer - Multiple Levels- AI Frontiers MicrosoftResearch Software Engineer - Multiple Levels- AI FrontiersRedmond, WA$102,100–$202,200 / yearOur projects have been guided by this mission, such as our agentic reasoning models (Phi family), our latest Computer Use Model (Fara), our synthetic data generation pipeline (AgentInstruct), our agent frameworks and experiences (AutoGen, Magentic-One and Magentic-UI), as well as our agentic ecosystems (Magentic Marketplace). Masters Degree in Computer Science, Software Engineering, System Engineering, Human Computer Interaction, or related field AND 3+ years experience working in a software engineering team and/or shipping production code OR equivalent experience .
Sr. Software Engineer - CTJ - Poly MicrosoftSr. Software Engineer - CTJ - PolyRedmond, 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. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate.
Senior Software Engineer MicrosoftSenior Software EngineerRedmond, 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. 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.
Principal Software Engineer, Experimentation Platform - CoreAI MicrosoftPrincipal Software Engineer, Experimentation Platform - CoreAIRedmond, WA$142,800–$274,800 / yearMaster’s 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 Bachelor’s 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 equivalent experience. Lead cross-team collaboration to identify dependencies, negotiate delivery schedules, drive alignment across partner teams, and ensure proper end-to-end testing, live-site coverage, scalability and performance before going live.
NewSMTS/LMTS Full Stack Software Engineer Tableau SoftwareSMTS/LMTS Full Stack Software EngineerSeattle, WAExperience integrating and orchestrating LLMs and AI services using APIs, SDKs, and agent frameworks such as OpenAI APIs, LangChain, MCP, RAG pipelines, tool calling, and vector databases. Our team is shaping the next generation of analytics, delivering seamless, interactive visualization experiences embedded directly into user workflows and integrated with modern platforms to enhance engagement and collaboration.
Principal 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#, 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 OR equivalent experience. You will work in a group focusing on advancing Azure Content Understanding, a multimodal AI capability that enables organizations to transform unstructured data—such as text, documents, audio, images, and video—into structured, actionable insights.
(Senior) Software Engineer, Experimentation Platform - CoreAI Microsoft(Senior) Software Engineer, Experimentation Platform - CoreAIRedmond, WA$102,100–$202,200 / yearMasters Degree in Computer Science or related technical field AND 3+ 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 5+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. 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 $133,800 - $219,200 per year.
Principal 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.
Principal 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.
Principal/Senior Software Engineer, Experimentation Platform - CoreAI MicrosoftPrincipal/Senior Software Engineer, Experimentation Platform - CoreAIRedmond, WA$119,800–$234,700 / yearMaster’s 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 Bachelor’s 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. 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.
Senior Software Engineer - CTJ - TS/SCI MicrosoftSenior Software Engineer - CTJ - TS/SCIRedmond, WA$119,800–$234,700 / yearMasters Degree in Computer Science, Information Technology, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, Data Science, Cybersecurity, or related field AND 3+ years technical experience in software engineering, network engineering, service engineering, systems engineering, or industrial controls OR Bachelors Degree in Computer Science, Information Technology, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, Data Science, Cybersecurity, or related field AND 5+ years technical experience in software engineering, network engineering, service engineering, systems engineering, or industrial controls OR equivalent experience. · Bachelors Degree in Computer Science, Information Technology, Mechanical Engineering, Electrical Engineering, Aerospace Engineering, Data Science, Cybersecurity, or related field AND 2+ years technical experience in software engineering, network engineering, service engineering, systems engineering, or industrial controls OR equivalent experience.
NewSenior Research Software Engineer MicrosoftSenior Research Software EngineerRedmond, WA$119,800–$234,700 / yearMasters Degree and/or PhD in Computer Science or related technical field AND 7+ years technical engineering experience with coding in languages including, but not limited to, Python, Rust, C#, C++, Java, JavaScript 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, Python, Rust, C#, C++, Java, JavaScript. The Microsoft Research Americas Engineering team supports several MSR labs (Redmond, New England, New York City, and Montreal) and seeks an innovative and experienced Senior Research Software Engineer on the Agentic Experiences team to drive and contribute to a variety of research projects in various stages of research and productization.
NewSoftware Engineer - CTJ - Poly MicrosoftSoftware Engineer - CTJ - PolyRedmond, WA$85,400–$168,100 / yearAs a Software Engineer on the MSC team, you will work alongside multiple teams within Azure, Office, and throughout Microsoft to manage and automate a large-scale Commerce platform, provide world-class analytics to customers about their consumption and billing details, and set the stage for enterprises all around the world to interact with Azure and Office seamlessly and effectively, ensuring customers and partners can provision and transact from the Azure Marketplace. 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 $111,100 - $183,700 per year.
Senior Software Engineer, Security AI MicrosoftSenior Software Engineer, Security AIRedmond, WA$119,800–$234,700 / yearIn this hands-on engineering role, you will design, build, and operate production AI services that combine large language models, retrieval-augmented generation, agent-based workflows, knowledge systems, and security data to solve real-world security challenges. You will collaborate with engineering, applied science, threat intelligence, security operations, product, and partner teams across Cloud + AI to deliver systems that are secure by design, operationally excellent, durable and grounded in measurable platform impact.
Sr. Software Engineer -CTJ- Poly MicrosoftSr. Software Engineer -CTJ- PolyRedmond, 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. You will work on distributed systems that enable Power Platform services to function in isolated, air‑gapped environments, partnering with Public Cloud teams to bring features to parity while ensuring those features meet the constraints of sovereign deployments.