Nodejs Compiler Developer

At IBM, our work isa calling: To build. To design. To code. To invent. To collaborate.We'renot just doing something better;we'reattemptingthingsyou'venever thought possible. Are you ready to lead in this new era of technology and help solve some of the world's most challenging problems?

We are seekinga passionate and skilled V8 Platform Compatibility Developer to join our team and shape the future of JavaScript andWebAssemblyperformance on critical IBM platforms. This is a unique opportunity to make a significant impact on the open-source V8 project and ensure its excellence on s390x architectures (IBM z)

As a key member of our compiler platform compatibility team, you will be focused on the V8 JavaScript engine. In this role, you will:

. Design and Develop:Maintainthe V8 backend for s390x architectures.

. OptimizePerformance:Dive deep into Just-In-Time (JIT) compilation and garbage collection (GC) subsystems to analyze and improve performance for customer workloads.

. Contribute to Open Source:Activelyparticipatein the V8 open-source community, contributing your code andexpertiseupstream tobenefitthe entire ecosystem.

. Debug and Troubleshoot:Tackle complex, low-level issues using tools like GDB,identifyingroot causes in generated code and runtime behavior.

.Drive Innovation:Stay current with advancements in compiler technology, JavaScript language features, andWebAssemblyto drive innovation within IBM.

. Compiler Expertise:Goodknowledge of compiler architecture, code generation, and optimization techniques

.Programming Mastery:Proficiencyin C/C++ and assembly language, with specific hands-on experience ins390x assembly

. Debugging Skills:Good debugging skills, including experience with tools like GDB

. Linux Proficiency: Familiarity with the Linux operating system, its development tools, and command-line environment

. Experience with other parts of the V8 engine, such as Turbofan, Liftoff, Sparkplug, Maglev, Torque, or Sandbox.

. Strong knowledge of JavaScript andWebAssembly(Wasm).

. Familiarity with Node.js internals.

. Experience with performance analysis and profiling tools.

.Knowledge of modern CI/CD practices and tools (Git, Jenkins, etc.).

.Exposure to Opensource contributions