Senior Software Engineer, Online Ads Frontend at Microsoft — Redmond, USA | Base Career

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Online Advertising is one of the fastest growing businesses on the Internet today, with about $70 billion of a $600 billion advertising market already online.

Search engines, web publishers, major ad networks, and ad exchanges are now serving billions of ad impressions per day and generating terabytes of user events data every day.

In the world of LLM with agent flourishing, we are a team of engineers, PMs and designers that is tasked to find and render the ads with most appealing layout, and contribute to the overall bing/MSAN revenue.

To help us achieve our ambitious goals to significantly grow the ads delivering and increase adoption of our MSAN platform, we are looking for a collaborative Senior Frontend Software Engineer to join our team.

The role provides an exciting opportunity to contribute to ads UX and associated infrastructure for ads serving.

If you are excited of joining an entrepreneurial and diverse team to respond to global demand and new scenario and deliver world class product, look no further!

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.

To work with Design/PM/partner teams to come up the suitable UX design.
To build versatile rendering UX package/library on various platform.
To use data processing and monitoring system to analyze the system performance and drive the improvement on full ads stack.

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#, Java, JavaScript, or Python OR equivalent experience.

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.

Senior Software Engineer, Online Ads Frontend

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