Overview

The Edge browser is a core strategic product and a key entry point to Microsoft’s new AI ecosystem, serving hundreds of millions of users daily. As the era of AI-powered browsers begins, Edge faces direct competition from our competitors.We’re looking for a Senior Backend Engineer to join the Edge Core AI browser team, one of the most high-profile and dynamic areas within Microsoft AI (MAI). Our mission is to leverage cutting-edge large language models (LLMs), context and prompt engineering to create innovative, intuitive, and state-of-the-art Copilot experiences that bring real value to browser users. Furthermore, our team keeps improving Edge core user experience to serve hundred million users every day. 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.  Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week. This expectation is subject to local law and may vary by jurisdiction.

Responsibilities:

• Write maintainable, extensible, well-tested, secure, and high-performance code following industry best practices.
• Lead architectural discussions, develop complex design specifications, and innovate on product solutions.
• Understand the full software stack, primarily working on backend cloud services, but able to contribute to client app and web development if needed.
• Collaborate with partner teams and stakeholders to ensure seamless integration, scalability, and live-site readiness.
• Lead by example in coding, code review, debugging, and use of AI tools throughout the software development lifecycle.
• Continuously update skills, seek out new technologies, and share knowledge within the team.
• Implement and uphold security standards across all layers of solutions.
• Develop and improve software engineering tools and automation to enhance development efficiency.
• Use experimentation and telemetry to measure impact and improve product quality.

Qualifications Required Qualifications:

• Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to C, C++, C#, Java, Rust or Python OR equivalent experience.

Preferred Qualifications:

• 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, or PythonOR 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, or Python
• OR equivalent experience.
• Experience developing and maintaining large distributed systems with high reliability and latency requirements
• Familiarity Azure Dev Ops, Git, and C# development.
• Knowledge of networking and web protocols (HTTPS, REST, OAuth).
• Knowledge of developing and maintaining large-scale distributed systems.
• Familiarity with client app development on Windows/iOS/Android.

Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 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.