New

Principal Software Engineer

Microsoft
$139,900.00 - $274,800.00 / yr
United States, Massachusetts, Cambridge
Jan 20, 2026
Overview Are you passionate about shaping the future applications of AI and empowering millions of users to unlock their full potential? The Copilot Pages and Notebooks Ecosystem (CoPANE) team brings customers the best tools and experiences needed to collaborate with Copilot, agents, and their teammates to transform the way they work and achieve their goals. Imagine effortless capturing your ideas in rich, collaborative canvases, reasoning over large amounts of diverse data with ease to better collaborate and coordinate with your coworkers and seamlessly working across the M365 ecosystem in whichever way is best for you (whether through Chat or through canvas). We're reimagining how users collaborate with AI as their coworker and are looking for a Principal level engineer to be contributing to the design and implementation of that vision. We are seeking a highly driven Principal Software Engineer to lead with technical vision, hands-on execution, and a strong sense of accountability. This role is ideal for an engineering leader who thrives on solving complex problems, influencing cross-functional teams, and driving architectural and organizational transformation. You'll operate across the entire stack, influence technical direction, and help shape the culture and values of the engineering organization. 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 Partners with appropriate stakeholders to determine user requirements for a set of scenarios. Leads identification of dependencies and the development of design documents for the product and service. Leads by example and mentors others to produce extensible and maintainable code used across products. Leverages subject-matter expertise of cross-product features with appropriate stakeholders (e.g., project managers) to drive multiple group's project plans, release plans, and work items. Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across the team, working on-call to monitor the product and service for degradation, downtime, or interruptions. Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of the product while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers. 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, JavaScript, TypeScript, or C++ OR equivalent experience. 6+ years experience development in cloud-based environments, including, but not limited to, Azure, AWS, and Google. 6+ years experience influencing and aligning diverse stakeholders across product, design, marketing, research, and business disciplines 2+ years experience working with AI/ML-powered solutions, including but not limited to OpenAI and Large Language Models (LLMs). 3+ years experience designing and building web services Preferred Qualifications: 7+ years of experience with Windows operating systemand application development. 7+ years program management experience overseeing multiple simultaneous projects, ensuring meticulous attention to detail, and consistently involved effective cross-group collaboration and communication. Demonstrated expertise in collaborating with external engineering partners to design, build, or integrate technical solutions. This includes coordinating across organizational boundaries to align architecture, drive joint development efforts, troubleshoot complex issues, and ensure the successful delivery of shared goals. Ability to think strategically while diving deep into details, you can balance big-picture vision with day-to-day execution Dedication for customer-centric innovation, a commitment to operational excellence, and a focus on fostering inclusive, high-performance team cultures. 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 This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled. Microsoft is an equal opportunity employer. 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 with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.