Sr Software Engineer

• Architect and implement scalable, performant, and reliable systems for Excel Web, with a focus on fundamentals.
• Lead deep technical investigations into performance regressions, reliability gaps, and architectural debt.
• Drive team-wide initiatives that span multiple components and disciplines, influencing partner teams across Microsoft.
• Champion AI-first thinking and AI-driven engineering practices, including AI-assisted bug triage, code generation, and live site mitigation strategies.
• Collaborate with PMs and EMs to shape product direction, ensuring alignment with customer needs and business goals.
• Mentor and grow other engineers, fostering a culture of technical excellence and continuous learning.

• 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.
• Deep expertise in web technologies, distributed systems, and performance optimization.
• Proven ability to drive architectural decisions and influence at org-wide scale.
• Experience with AI/ML in engineering workflows is a strong plus.
• Solid communication skills and ability to work across disciplines and geographies.
• 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.

Master'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.