Principal Software Engineer
Company: Microsoft
Location: Mountain View
Posted on: November 1, 2025
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Job Description:
We’re living in an era of more possibilities, more innovation,
and more openness. As Microsoft continues to push the boundaries of
AI, we are on the lookout for passionate individuals to work with
us on some of the most interesting and challenging AI problems. Our
vision is bold and broad to build a truly open architecture v1
platform to enable and reimagine how users can summon bespoke AI
agents to drive real meaningful business outcomes. We are looking
for a Principal Software Engineer to join our team. This role
involves crafting user-facing features powered by Generative AI
while taking full ownership of their development from inception to
delivery, ensuring exceptional quality and seamless implementation.
You’ll be working closely with some of the world’s most
recognizable brands, helping them catapult into the AI
transformation era. 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: 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, or Python OR equivalent
experience. Competence with DevOps practices, including CI/CD
pipelines, containerization, and infrastructure-as-code. Solid
understanding and successful demonstration of system security,
scalability, reliability, and maintainability. Practical Experience
with AI/LLMs: Experience designing and implementing ML/LLM-based
solutions in production environments. Experience leveraging
generative AI technologies to develop innovative and user-focused
product features. 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 followingspecialized security screenings: This
position will be required to pass the Microsoft Cloud background
check upon hire/transfer and every two years thereafter. Preferred
qualifications: Masters 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 Bachelors 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.
Capable of optimizing, prompting and finetuning AI-based solutions
for performance, accuracy, and scalability. Experience coaching and
growing engineers within the team. 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.
Microsoft will accept applications and processes offers for these
roles on an ongoing basis. Responsibilities This role involves
crafting user-facing features powered by Generative AI while taking
full ownership of their development from inception to delivery,
ensuring exceptional quality and seamless implementation. You’ll be
working closely with some of the world’s most recognizable brands,
helping them catapult into the AI transformation era. Ideal
candidates will have a balanced combination of theoretical AI
knowledge and practical software development experience, enabling
them to design, develop, and deploy sophisticated software systems
at scale, with an experimentation and iterative mindset. Candidates
for this role should also demonstrate customer passion, a bias for
action, and an ability to work effectively across organizational
boundaries. Come and build the next generation of AI agents!
Keywords: Microsoft, Mountain View , Principal Software Engineer, IT / Software / Systems , Mountain View, California
