Job Description

Microsoft 365 Copilot is a groundbreaking productivity tool that leverages the power of large language models, user data, the Microsoft Graph, and the web to drive unparalleled creativity and productivity. At the heart of this innovation is the Microsoft Search, Assistant, and Intelligence (MSAI) team, which drives innovation across the stack. Our team is responsible for powering mainline Response experiences on the client, which will surface on Copilots available across M365 endpoints.

We are seeking a talented UX

Senior Software Engineer

with deep expertise in building user-centric experiences and a proven track record of delivering AI-enabled, scalable solutions. In this role, you will drive the vision and execution for Microsoft 365 AI, working in a dynamic and fast-paced environment. Collaboration with cross-functional teams is key.



The ideal candidate will have strong knowledge of JavaScript and TypeScript, and extensive experience with UX frameworks. Proficiency in React is essential, as you will build reusable components and front-end libraries, enhancing the efficiency and coherence of our products. If you are passionate about AI and user experience, we want to hear from you!

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.

Responsibilities

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In this role, you will:Ship delightful, AI powered experiences that will shape how millions of people will interact with AI in the future Join a small team of world class engineers with deep frontend expertise who are obsessed with building beautiful and performant products. Execute the full software development life cycle (SDLC)--from architecture and implementation to deployment and Live Site operations--with end-to-end accountability for quality. Share knowledge with others and foster a culture of continuous learning and growth within a diverse, inclusive team. Collaborate with partners teams working on different areas of M365 Copilot Client. Develop and maintain comprehensive telemetry pipelines, Live Site monitors, and automated alerts to ensure robust service health and rapid incident response.

Leverage data and telemetry to inform decisions, drive feedback into product design, and continuously enhance the usability, security, and reliability of our product.

Qualifications

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Required Qualifications:

Bachelor's degree in computer science, Computer Engineering, Software Engineering, or a related field, and 8+ years of experience of building production grade front-end systems. Expert level proficiency in React and JavaScript/TypeScript, with practical experience in developing web client applications deployed on major cloud platforms. Hands-on experience building component libraries or contributing to design systems (e.g., Fluent UI, Material UI, or similar). Understanding of software engineering fundamentals including data structures, algorithms, and secure coding practices. Strong command of accessibility (a11y), responsiveness, and front-end performance best practices. Proven ability to deliver stable and scalable UIs in fast-paced product environments. Familiarity with chat bots and NLP concepts is a plus but not required. Strong collaboration skills with the ability to work in a dynamic and agile environment. Passion for improving engineering practices and producing high-quality software. Self-motivated and customer focused.

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:

Experience building user interfaces for developer tools, AI/ML platforms, or large-scale enterprise applications. Familiarity with distributed systems concepts, data-intensive workflows, or AI/LLM-powered user experiences. Ability to reason about complex application state and asynchronous workflows. Take a user-centric approach to product development, prioritizing solutions that result in the best user experience and have the technical expertise to pull it off. Thrive in a fast-paced, collaborative environment and comfortable making progress in ambiguity.


Additional Details:

#M365CORE
Microsoft is an equal opportunity employer. Consistent with applicable law, all qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.