Principal Software Engineer - Front End

Microsoft Corporation • Redmond, WA • 6d ago

The Copilot Studio Agent Platform & Experiences team is looking for a Principal Software Engineer, Front End to help build the user-facing layer of Microsoft's next-generation AI tooling. We own the core UX that enables makers, developers, and enterprise users to create and manage intelligent agents that work across Microsoft 365 - from Copilot and Teams to the web and beyond.

In this role, you'll focus on crafting intuitive, responsive, and scalable sdk components, interfaces using React and TypeScript, working closely with product managers, designers, and researchers. You'll help shape architecture and standards, lead feature development from concept to deployment, and play a key role in setting the technical direction for a growing product surface.

We're a tight-knit team that cares deeply about design quality, engineering excellence, and real-world customer impact. You'll find a balance of autonomy and support, with opportunities to work on highly visible features that reach millions of users. If you enjoy working at the intersection of design, product, and deep engineering craft - and want to help shape how people build and interact with AI - we'd love to talk to you.

Responsibilities

Lead the design and implementation of modern, accessible frontend solutions using React and TypeScript.

Own architecture discussions, establish frontend patterns, and contribute to system design across web surfaces.

Drive telemetry integration to track performance, usage, and reliability; use this data to refine the product.

Mentor other engineers and act as a Designated Responsible Individual (DRI) for systems in production.

Partner closely with PM, Design, and partner engineering teams to ship cohesive, customer-focused experiences.

Write clean, extensible, and testable code that scales, while contributing to shared tools and internal frameworks.

Promote engineering standards-code quality, testing, accessibility, security, and performance.

Drive experimentation and data-driven decision-making in collaboration with product teams.

Qualifications

Required Qualifications:

Bachelor'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 equivalent experience.

5+ years of experience with front end technologies including JavaScript, React, or TypeScript.

4+ years of experience working in an environment building and supporting hosted services.

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 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.

8+ years of experience industry experience working on commercial software application or services.

4+ years of experience working in a high-scale SaaS environment building and supporting hosted services.

Demonstrated CS fundamentals with a deep appreciation for the differences between platforms and environments.

Demonstrated technical design, architecture, problem solving, and debugging skills.

Experience with building ML tooling or working with LLM's, Voice Assistant skills, natural language processing concepts and fundamentals.

Experience with React, JavaScript, TypeScript, and front-end state management solutions such as Redux, Recoil, MobX, or similar.

Unwavering passion to understand and simplify the no-code and low-code developer experience.

Experience in standing up and working with Build Tooling infrastructure and writing effective End to End/Integration/Unit Tests.

A track record of working collaboratively to understand customer needs and create solutions that positively impact our customers.

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 per year. 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.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay

Microsoft will accept applications for the role until October 8, 2025.

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 (https://careers.microsoft.com/v2/global/en/accessibility.html) .

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