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
Your Role and Responsibilities
Role
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.
Required Technical And Professional Expertise
- Compiler Expertise: Deep 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.
- Open Source Experience: Demonstrable experience contributing to large-scale open-source projects. A portfolio of upstream commits to V8 or a similar project (LLVM, GCC, etc.) is highly desirable.
- Debugging Skills: Strong debugging skills, including experience with tools like GDB.
- Linux Proficiency: Deep familiarity with the Linux operating system, its development tools, and command-line environment.
Preferred Technical And Professional Experience
- 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.).
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