Senior Software Engineer
Confirmed on the employer's own hiring board on Oct 17, 2026. First seen by Alion on Oct 9, 2026. Microsoft scores B on the Alion truth index.
We are the Copilot and Agents Core Platform team. We are building a scalable platform to develop and run copilot workloads that bring intelligent agents into the daily workflow of millions of Microsoft 365 users. The extensible runtime infrastructure we build enables rapid experimentation, safe deployment, and seamless orchestration of LLM-powered agents. Our mission is to empower developers to build, compose, and operate AI agents with agility and confidence. We operate at the cutting edge building AI workflows for productivity including long-running tasks and proactive workflows and permanent compute and memory.
We are seeking a Senior Software Engineer to work on the architecture and development of the next-generation agent runtime platform and features. This role is pivotal in shaping the future of agent-based computing at Microsoft, enabling the runtime for long running tasks, extensibility at scale and supporting multi-agent collaboration.
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
- AI-native engineering: Champion responsible use of AI across the SDLC, improve team productivity with AI tools, and ensure accountability for AI-generated artifacts.
- Raise engineering quality and reliability: Lead code reviews, debugging, incident retrospectives, telemetry practices, and continuous improvements in code quality, testability, security, and maintainability.
- Architecture and cross-team design: Guide complex system design, evaluate technology choices, manage dependencies, and ensure solutions meet scalability, reliability, performance, cost, and compliance requirements.
- Delivery andlive-site health: Drive project execution, safe deployments, observability, incident response, customer-focused decision making
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, JavaScript, or Python
- OR equivalent experience.
Preferred Qualifications:
- 3+ years of experience working training/evaluating search/information retrieval systems as Product Manager, Software Developer, or Data Scientist
- Experience with search, retrieval, ranking or recommendation systems, or large language model (LLM)-powered experiences.
- Solid technical depth, including comfort with system architecture and APIs, and the ability to engage closely with engineering and data science.
- A track record of shipping complex, cross-team products or features at scale, from early concept to general availability.
#CAP #Copilot
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 $160,200 - $261,000 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.