Java VM Compiler Developer

2 weeks ago

Stockholm, Stockholm, Sweden Oracle Full time

Come join us

This is an opportunity for a hardworking and motivated individual to participate in the development of optimizing compiler technology for Oracle's Java HotSpot Virtual Machine. Work on exciting and meaningful projects in different phases of JVM bytecode compilation. Collaborate with teammates within Oracle and the OpenJDK community to improve the functionality, quality, and performance of our current and future compiler technologies. Support customers, partners and developers who rely upon and contribute to this widely used JVM.

Oracle Oracle, a global provider of enterprise cloud computing, is empowering businesses of all sizes on their journey of digital transformation. Oracle Cloud provides leading-edge capabilities in software as a service, platform as a service, infrastructure as a service, and data as a service.

Oracle's application suites, platforms, and infrastructure leverage both the latest technologies and emerging ones - including artificial intelligence, machine learning, blockchain, and Internet of Things - in ways that create business differentiation and advantage for customers. Continued technological advances are always on the horizon.

Java Platform Group The Java Platform Group (JPG) is the team primarily responsible for building and advancing the Java platform, developing the Java language, and stewarding the OpenJDK ecosystem forward. For many years, JPG has ensured that Java remains relevant in the technology universe by developing new features and addressing the problems and opportunities of tomorrow. With over 60 billion active JVMs globally, much of the world relies on the work of this team - Java innovation starts here.

While we act with the speed and attitude of a start-up, we operate with the scale and customer-focus expected as the leading enterprise software company in the world. We strive for equity, inclusion, and respect for all, ensuring our unique individuality is harmonious in a team environment. As an intern, you will be part of a team of uniquely smart, motivated, and diverse people who are offered the autonomy and support to do their best work, while also being given the opportunity to learn.

JVM Compiler Team The Java Virtual Machine is a core component of the Java SE platform. It implements the Java Virtual Machine Specification, and is delivered as a shared library in the Java Runtime Environment. As the Java bytecode execution engine, it provides Java runtime facilities, such as thread and object synchronization, on a variety of operating systems and architectures. It efficiently manages the Java heap using garbage collectors, optimized for both low pause time and throughput. It provides data and information to profiling, monitoring and debugging tools and applications.

The Compiler Team is responsible for development and maintenance of the Virtual Machine's just-in-time (JIT) compilers that adaptively compile Java bytecodes into optimized machine instructions. The team works hard to ensure high performance on all supported platforms and stays up-to-date on current and future hardware. Feature development projects to take advantage of new hardware features and to increase stability and performance are always part of the team's focus. The team is also deeply involved in work for ongoing and future key JDK projects including Projects Valhalla, Loom, Panama and ZGC.

Career Level - IC2

About You

Knowledge of computer architecture and compiler construction, and the ability to program and debug complex algorithms with a strong focus on quality, are crucial attributes of an engineer in this position. The successful candidate will communicate and collaborate optimally within a distributed JVM team and Java development organization.

Compiler development expertise in areas such as global optimization, loop optimization, code generation and register allocation, as well as experience with virtual machine development and multi-platform support including ARM64 is highly desired.

Preferred Qualifications

BS/MS degree in CS, EE, or equivalent. 4+ years of software development experience. Good problem-solving skills. Good communication and presentation skills in English. Experience with modern IDEs and version control (Git). Proficiency with C++, assembly language, and Java programming. An understanding of the Java Virtual Machine Specification. Experience with software engineering practices including code reviews, coding standards, source control management, build processes, testing and continuous integration. Expertise in compiler development.

Does this sound like you? If so, we hope to meet you

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