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Principal Software Engineer

Microsoft

Microsoft

Software Engineering
Posted on Oct 22, 2025

Principal Software Engineer

Sydney, New South Wales, Australia

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Date posted
Oct 22, 2025
Job number
1897127
Work site
2 days / week in-office
Travel
0-25 %
Role type
Individual Contributor
Profession
Software Engineering
Discipline
Software Engineering
Employment type
Full-Time

Overview

The Data Processing Unit (DPU) team combines advanced software and hardware expertise to create a highly programmable and high-performance application-specific integrated circuit (ASIC) designed to efficiently process large data streams. This integrated solution enables improved agility and performance compared to central processing unit (CPU)-based alternatives and is being integrated into Microsoft Azure cloud products. We are looking for engineers with experience in operating systems, formal methods, or programming languages to help implement proven approaches that enhance productivity and deliver the next generation of confidential computing.


We are seeking a Principal Software Engineer to join the DPU Runtime Operating System team. In this role, you will develop high-performance, scalable, and programmable DPU software that applies formal methods and programming languages to produce reliable code and runtime configurations.


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, Python, F-star, Haskell, Isabele.
    • OR equivalent experience.
  • 1+ years of embedded and/or Operating System software development experience

Preferred Qualifications:

  • Bachelor's Degree in Computer Science
    • OR 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.
  • 1+ years of experience implementing formally verified software or tools, with experience applying it to large scale commercial systems and teams.
  • 1+ years of experience developing domain specific languages and compilers, and deploying them for use within an engineering organization
  • 1+ experience applying and automating formal methods to reduce engineering development costs, defect rate, and on-going maintenance costs

Other Qualifications:

  • 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.

#azurecorejobs

Responsibilities

  • Partner with appropriate stakeholders and the DPU Confidential Compute team to determine user requirements for a set of scenarios.
  • Lead identification of dependencies, architecture, design, and development of DPU operating systems and supporting software.
  • Work closely with the DPU ASIC and Software teams on co-development of next generation Silicon and software features.
  • Work closely with our software stack developers and operations support when needed.
  • Lead by example and mentor others to produce extensible and maintainable code used across products.
  • Leverage subject-matter expertise of cross-product features with appropriate stakeholders (e.g., project managers) to drive multiple group's project plans, release plans, and work items.
  • Proactively seek new knowledge and adapt to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and share knowledge with other engineers.

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.