Senior Compiler Engineer

Any Developer. Any App. Any Platform. Microsoft continues to make big investments to empower every person and every organization on the planet to achieve more. The Developer Division at Microsoft creates modern tools & services that help developers build apps & services for a variety of platforms, including Windows, iOS, Android, Azure - Microsoft's cloud, and many more.

Within the Developer Division, the Languages, Runtimes, and Compilers Group at Microsoft is responsible for best-in-class support for C++, Java, .NET (C#, Visual Basic, and F#), Python, Rust, and Go. Developer Division in CoreAI believes that software development is rapidly evolving in the age of Artificial Intelligence (AI). We are building the future of platforms and tools for this new era-and we are looking for developers who are not only early adopters of AI-powered development tools, but who are also actively exploring how Large Language Models (LLMs) can enhance their effectiveness and impact. Be a part of a team that values collaboration and the idea of working better together. Come and help us define the language, optimize the compiler and runtime, and build tools that empower developers worldwide to build great software.

The Java Engineering Group in the Developer Division is responsible for building best-in-class support for Java workloads running on Azure (Microsoft's Cloud) and other Microsoft services.

We performance tune Java applications and services at massive scale, build insightful performance diagnostic tooling, work on the Java Virtual Machine (VM) itself and act as a liaison between Microsoft and the wider Java ecosystem.

Our Java VM Engineering team is looking for a Senior Compiler Engineer who has a passion for learning new technologies, interacting with colleagues and customers, and a strong desire to make the work of Java users and developers more productive, satisfying, and enjoyable.

If you are interested in growing your engineering career, there is no better place to start!

Microsoft Culture

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.

Responsibilities:

• Work in a collaborative, learning team environment that interacts with and gathers feedback from all types of users and developers of Java.
• Contribute compiler enhancements, features, and bug fixes to customers as part of the Microsoft Build of OpenJDK, and upstream that work to the OSS OpenJDK project.
• The software you build will be used by millions of developers all over the world, allowing them to achieve more in whatever field they work.
• Participate in a team in which establishing your own personal career path while maintaining a healthy work/life balance is a core principle.
• MS Culture & Values: Embody our Culture and Values .

Qualifications:

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, C++, C#, Java, JavaScript, or Python
  • OR equivalent experience.
• 4+ years of experience working on compilers
• 6+ months of experience using AI-assisted development tools (e.g., GitHub Copilot, or similar) to enhance productivity and code quality
• Experience applying AI technologies (such as large language models or code generation tools) in software development workflows, including tasks like static analysis, automated documentation, or test generation

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:

• Master'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 Bachelor'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.
• 8+ years of experience developing with C/C++
• 8+ years of experience working on compilers
• 2+ years of experience in programming language design, OS internals, and/or managed runtimes
• 2+ years of experience with OpenJDK development and/or HotSpot VM engineering
• Demonstrates knowledge of low-level programming concepts, including memory management, the hardware/software interface, and concurrency

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 $158,400 - $258,000 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: ;br>
Microsoft posts positions 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, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form .

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.

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