Job Description

Principal Software Engineer

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Bangalore, Karnataka, India



Date posted

Jul 14, 2025

Job number

1846313

Work site

Up to 50% work from home

Travel

0-25

%

Role type

Individual Contributor

Profession

Software Engineering

Discipline

Software Engineering

Employment type

Full-Time

Overview

What if your job description were simply "make tomorrow better?" Every day at Microsoft, we bring an insatiable curiosity to the workplace, challenging ourselves to reimagine what it is and what it can be. We build on what's come before to create what's next. We help shape the future and we empower billions of people around the globe.

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. The rapid growth of online advertising has created enormous opportunities as well as technical challenges that demand computationally intelligence and scalable algorithms. Eventually Computational Advertising has emerged as a new interdisciplinary field that involves information retrieval, data mining, machine learning, statistical modeling, optimization, linear algebra, and micro-economics, to solve challenging problems that arise in online advertising.



Delivery Engine is at the core of this effort, working on large distributed systems with low latency and high throughput. Today, we design, develop, and operate a global ads marketplace that has a double-digit annual growth rate. This is a self-motivated and results driven environment that will unleash your potential. As a

Principal Software Engineer

of this team, you would help us build highly scalable, highly performant services which host state of the art machine learning models. Your work will touch many components of our stack



We need candidates who have shipped products or worked on large scale online services and have 10 or more years of relevant software development experience. This is a rare opportunity to influence technology development in an important growth area at Microsoft. You will design, implement, analyze and tune complex algorithms operating on large datasets in collaboration with top scientists and engineers across Microsoft's global R&D team.

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.

Qualifications

Required Qualifications:

Bachelor'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 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/transfer and every two years thereafter.

Preferred Qualifications

+ Related technical field AND 10+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, + OR Python
+ OR Master'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.

Responsibilities

Architect and build low latency and high throughput system. Collaborate, socialize, and drive cross-team technical initiatives. Participate in design and code reviews. Mentor junior engineers in the team . Ensure high code quality, live site reliability, and scalability in our services. Drive new investments and vision for the product that you will own.
Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.
?Industry leading healthcare
?Educational resources
?Discounts on products and services
?Savings and investments
?Maternity and paternity leave
?Generous time away
?Giving programs
?Opportunities to network and connect
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 and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.