Software Engineer II

Software Engineer II | Microsoft Careers Skip to main content Microsoft Careers Careers Careers Search Search jobs Sign in Single PositionView All JobsSoftware Engineer IIUnited States, Washington, RedmondApply nowAdd to cartFind out how well you match with this jobUpload your resumeJob descriptionCompany and benefitsJob number200042975Date postedJul 08, 2026Work site3 days / week in-officeTravelLess than 25%ProfessionSoftware EngineeringDisciplineSoftware EngineeringRole typeIndividual ContributorEmployment typeFull-TimeOverviewMicrosoft Copilot and Agents Core team is looking for a Full Stack Software Engineer II to help build the next wave of capabilities for our personalized AI assistant, Copilot. At Microsoft, we push boundaries to deliver exceptional products and services that empower users to be more productive and efficient. If you are passionate about innovation and want to shape the future of AI, this is your opportunity. In this role, you will work across all four stages of our evaluation platform: datasets sampling, AI data collection and processing, data analysis and evaluation, and insights generation. You will contribute across the full stack—from backend databases and middle-tier services to browser automation, statistical analysis, and building rich dashboards and UX components. Expect to dive into prompt engineering and leverage cutting-edge AI tools to drive meaningful impact. You will also get an opportunity to dive deep into the product and optimize latency in every layerThis engineering position offers exposure to a wide range of technologies and surfaces, including desktop, web, and mobile. You will collaborate closely with teams across Microsoft 365 to assess Copilot’s relevance, performance, trustworthiness, and visual appeal. Our platform supports desktop and mobile automation and UX studies—enabling scenarios like multi-turn conversations with voice input on iOS and Android apps. The possibilities are endless. M365 Copilot is dedicated to advancing Copilot to both consumer and enterprise products and research. Join us in shaping the future of personal computing powered by AI.Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.  ResponsibilitiesExpertise in experimentation methodologies, including A/B evaluation, data sampling, measurement techniques, evaluation design, and data analysis.Demonstrating strategic vision by understanding organizational goals, translating metrics into actionable insights, and enhancing product quality.Designing pipeline architecture to ensure rapid iteration and scalability.Conducting post-analysis of labeled data and developing dashboards to visualize insights.Collaborating closely with the product team to enhance quality and address gaps.Embody our Culture and Values.QualificationsRequired Qualifications:Bachelor's 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 PythonOR equivalent experience.Other Requirements:Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.Preferred Qualifications:Master's Degree in Computer Science or related technical field AND 3+ years technical engineering experience...