Compiler Optimization Developer

Introduction
A career in IBM Software means you’ll be part of a team that transforms our customers challenges into solutions.
Seeking new possibilities and always staying curious we are a team dedicated to creating the world’s leading AI-powered cloud- software solutions for our customers. Our renowned legacy creates endless global opportunities for our IBMers so the door is always open for those who want to grow their career.
As part of our team you will be responsible for developing and maintaining high-quality software products working with a variety of technologies and programming languages.
IBM’s product and technology landscape includes Research Software and Infrastructure. Entering this domain positions you at the heart of IBM where growth and innovation thrive.

Your Role and Responsibilities
Your Role and Responsibilities :

As an IBM Runtimes Open-Source Compiler Developer you will join the hundreds of developers actively contributing to our public GitHub projects using industry standard tools like Git ZenHub Jenkins and Slack. Our development lifecycle and activities from concept to delivery happen openly in collaboration with community developers and researchers and we support building your own developer identity and influence in the various programming languages and runtimes communities. As an IBM developer you of course have access to the full range of IBM teams and technologies so you are able to influence the whole stack optimization efforts in IBM from hardware design to OS to language runtime to middleware to cloud and cloud native applications.

We are looking to hire a developer who will join the JIT (Just-In-Time) Compiler team in Toronto. You will collaborate with team to identify performance improvement opportunities through benchmarking and analysis implement new or tune existing features and optimizations in the JIT compiler and collaborate with IBM and open community developers of other Java runtime components hardware OS up-stack products and frameworks to drive changes and new features to achieve optimal performance of the whole stack. You will also collaborate to ensure functional and performant implementation of new Java language features new hardware/OS features and capabilities into our open-source Java runtime and compiler.

You should be comfortable developing in an environment that is mostly C and C++ based. You should have interest in building a thorough understanding of processor architecture whole-stack performance analysis and problem determination. Prior experience working on open-source projects and demonstrated influence in the open communities academic research and industry standards is very desirable. We follow Agile practices where work and design is open and collaborative but also where individuals are expected to operate with a level of autonomy and responsibility.

Required Technical and Professional Expertise
• 2+ year of experience with C and C++ programming runtime data structures and algorithms
• Linux / UNIX development experience
• Good knowledge of Operating System and one or more processor architectures e.g. x86 ARM POWER and Z
• Strong interest in whole-stack performance analysis and problem determination quick prototyping and iterative experimentation
• Excellent communication skills and proven ability in influencing open-source community developers academic and industry partners

Preferred Technical and Professional Expertise
• Experience with Open-source development tools and projects
• Experience working in an open source transparent and agile development team
• Prior experience in whole stack performance analysis
• Prior experience in Compilers Runtimes Operating Systems or related areas