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Job Details
Posted date: Sep 25, 2025
There have been 1289 jobs posted with the title of Senior Software Engineer all time at Microsoft.There have been 1289 Senior Software Engineer jobs posted in the last month.
Category: Software Engineering
Location: Redmond, WA
Estimated salary: $188,900
Range: $119,800 - $258,000
Employment type: Full-Time
Travel amount: 25.0%
Work location type: 4 days / week in-office
Role: Individual Contributor
Description
We are hiring a Senior Software Engineer on the Ads Engineering team to help expand the core capabilities of the Ads serving stack that powers ads on several online services ranging from Bing Search, MSN, Start.com, Edge Browser shopping, etc. The stack is a low-latency, high-scale geo-distributed system with multiple moving parts that include but not limited to large-scale ML inferencing infrastructure that rank ad-listings to real-time bidding infrastructure and other components to power a wide variety of Ad serving scenarios and use cases.This is an exciting opportunity to participate in the innovation and evolution of the stack, at a scale and pace very few other places can match. The challenges are plenty and the problems are varied from building new features to optimizing components of the entire stack as every millisecond matters to us, to building support infrastructure to run services in containers at scale. You will be part of a passionate and growing team that takes pride in their work. You will own and drive large feature areas and collaborate with some of the best engineers across the world. If you are someone that loves to tackle deep technical challenges and thrive in a fast-paced environment, then this is the place to be!
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.
Develops and maintains a large-scale distributed CPU/GPU ranking platform to support real-time processing for millions of requests per second.Implements the features with high efficiency, extensibility, diagnosability, reliability, and maintainability with few defects.Maintains operations of live service as issues arise on a rotational, on-call basis. Identifies solutions and mitigations to simple and complex issues and escalates as necessary.Acts as a Designated Responsible Individual (DRI) working on call to monitor system/product feature/service for degradation, downtime, or interruptions.Responds within Service Level Agreement (SLA) timeframe. Escalates issues to appropriate owners.
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.2+ years experience in designing, implementing, and scaling large-scale, distributed online systems with a deep understanding of system architecture and proven ability to profile, analyze, and optimize performance and capacity of native C++ systems in complex, high-throughput environments.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 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.Proven experience in designing, implementing, and validating distributed systems for real-time online inference.Solid expertise in optimizing online service performance for performance-critical workloads.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
Microsoft will accept applications for the role until October 1, 2025.
Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.
Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.
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