Principal Software Engineer, CoreAI

Microsoft Corp

Aliso Viejo, CA

JOB DETAILS
SALARY
$139,900–$274,800 Per Year
SKILLS
Artificial Intelligence (AI), Background Investigation, Cloud Computing, Computer Science, Continuous Improvement, Debugging Skills, Engineering, Graphics, High Reliability, Large-Scale Systems, Leadership, Machine Learning, Microsoft Product Family, Multiplatform/Cross-Platform, Open Source, Privacy Controls, Problem Solving Skills, Production Systems, Software Engineering, Startup, Team Player, Training Tools, Writing Skills
LOCATION
Aliso Viejo, CA
POSTED
30+ days ago

Overview

Joining the CoreAI organization at Microsoft means becoming part of the team that builds the end-to-end AI stack powering Azures innovation. As a member of the FIT training team within CoreAI, you will help develop the AI infrastructure that accelerates the creation of agentic AI systems across Microsoft. This role is dedicated to advancing scientific methods and scalable infrastructure for training agentic models to achieve frontier-level performance. You will contribute to LLMs, SLMs, and agentic models using both proprietary and open-source frameworks, all aimed at delivering reliable, enterprise-grade agentic workflows.

We are seeking a curious, independent, adaptable problem-solver who thrives on continuous learning, embraces changing priorities, and is motivated by creating meaningful impact. Candidates must be able to lead and role model for a team that is driven, able to write efficient code, debug complex training jobs, document findings, and demonstrate a track record of continuous improvement. In addition, we value an agile, startup-style mindset - someone who can iterate quickly, pivot when needed, and collaborate effectively in fast-paced, dynamic environments.

Microsofts 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.

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.

Responsibilities

As a member of our team, you will participate in developing innovative solutions across AI Platform. Responsibilities include the following:

• Collaboration with engineers and researchers to build and optimize training infrastructure and tools for LLMs, SLMs, multimodal, and code-specific models. • Design, build, and improve services with high scalability and reliability. • Design and implement the services to serve the prod traffic and fulfill the security and privacy requirements. • Participate in efforts to deliver and improve engineering systems and practices to ensure service quality in complex cloud environments. • Contribute to the deployment and monitoring of services in production environments.

Qualifications

Required Qualifications:

• Bachelors 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, 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.

Preferred Qualifications:

• Experience working with engineering teams to deliver large-scale software systems, preferably in AI, machine learning, graphics, or related fields. • Thrive in a fast-paced, collaborative environment and are comfortable making progress in ambiguity. • Enjoy working closely with cross-functional partners and teammates in an inclusive, curious culture. • Have strong opinions about best investments to make in establishing the most delightful and performant AI companion engineering system.

Compensation

Software Engineering IC5: The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 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 $188,000 - $304,200 per year.

Software Engineering IC6: The typical base pay range for this role across the U.S. is USD $163,000 - $296,400 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 $220,800 - $331,200 per year.

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.

About the Company

M

Microsoft Corp

DO WHAT YOU LOVE
Make your mark on the world’s most used technologies. Develop the next hit mobile application. Pioneer a startup that could be the next big thing. At Microsoft, you choose your path.

Headquartered in Redmond, Washington, Microsoft is a top innovator in both the consumer and enterprise technology industry. Just a few of the many things our products do are unleash creativity, connect businesses, and make learning more fun. But our continued success is based on one thing: our employees. We hire amazing, talented people and give them the opportunities—and the tools—to succeed.

WHY MICROSOFT?
As a Microsoft employee, you’re surrounded by a diverse group of the smartest people in your field. This fosters new ideas, better business results, and creates a dynamic work environment. In the office, you’re constantly challenged and supported by your colleagues. Every day holds something new and exciting.

We also offer unparalleled depth and breadth of career opportunities. As an industry leader in multiple fields, working for Microsoft means being able to do whatever you feel passionate about—and being able to make an impact in that field. From day one, we give our employees significant responsibility. This means that you’ll know that you directly contributed to something that has a positive impact on people worldwide. Whether you choose to work in management, dive deep into the newest technology, or explore multiple professions, you’ll find everything you need at Microsoft to drive your career—and to make a difference.

WE GET IT – YOU’RE MORE THAN YOUR JOB
Everyone works differently and is motivated by different things. We also understand that there’s more to you than your job. That’s why we offer competitive pay and a wide assortment of benefits-- to help you make the most of life at work and away from it.

GET THE BALL ROLLING
COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer Software
FOUNDED
1975
WEBSITE
http://www.microsoft.com