Software Engineer II

Do you want to utilize your knowledge of cutting-edge AI and big data to make a difference in online advertising? How about working for Microsoft right in the heart of Silicon Valley, one of the most innovative R&D centers in the world? Then come to join our Microsoft Ads Team in Mountain view, California We are looking for a Software Engineer II for developing global scale streaming & AI infrastructure for multi billions Microsoft Ads business. 
As a team, we leverage the diverse backgrounds and experiences of passionate engineers, scientists, and program managers to help us realize our mission to empower every person and every organization on the planet to achieve more. We believe great products are built by inclusive teams of customer-obsessed individuals who trust each other and work closely together.  We collaborate regularly across the company with teams like Bing and Microsoft Research. 
If you are passionate about working on the latest and hottest areas in Artificial Intelligence, Distributed Computing, all the while making advertising better for customers across the world, then this is the team you're looking for Expect a fast-moving environment where balancing speed, quality, and teamwork is essential.

In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture 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.

• You will enhance and operate Product Ads cloud infrastructures on Azure that include areas such as advertiser facing APIs, Large Scale Data Ingestion, entities conflation, Build and optimize the system for storing and processing billions of entities daily.
• You will design, implement, experiment, and ship new business features to enhance/create existing/new ad products.
• You will use Machine Learning and AI to detect and improve ads quality. You will optimize code and evolve architectures to maximize performance and minimize cost.
• You will dive deep into data to find key insights that drive technical design and feature roadmaps.
• You will work directly with customers to resolve escalations and live sites.

Required/minimum qualifications

• Bachelor's Degree in Computer Science or related technical field AND 2+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience.

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/