Introduction

At IBM, our work is a calling: To build. To design. To code. To invent. To collaborate. We're not just doing something better; we're attempting things you've never 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 seeking a passionate and skilled V8 Platform Compatibility Developer to join our team and shape the future of JavaScript and WebAssembly performance 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)

Your Role and Responsibilities

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

Your Role and Responsibilities

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:Maintain the V8 backend for s390x architectures.

. Optimize Performance: 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: Actively participate in the V8 open-source community, contributing your code and expertise upstream to benefit the entire ecosystem.

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

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

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

.Programming Mastery: Proficiency in C/C++ and assembly language, with specific hands-on experience in s390x 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 and WebAssembly (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