Software Engineer, Front End

Meta is seeking a Staff Software Engineer to help shape the future of JavaScript tooling and developer infrastructure across Meta's family of products. In this role, you will design and implement JS compiler enhancements, build and improve developer tools such as linters and test runners, and integrate LLM-powered capabilities into developer workflows. You will drive the architecture and technical direction of JS tooling systems that empower thousands of engineers to build faster, safer, and more efficiently at scale.

Lead the design and implementation of compiler passes and JavaScript transformations that improve code quality, performance, and developer experience across Meta's codebase Build and enhance developer tooling infrastructure including linters, test runners, and code analysis tools used by thousands of engineers Integrate LLM-powered capabilities into developer workflows, accelerating code generation, automated fixes, and intelligent tooling assistance Drive end-to-end delivery of major JS tooling initiatives, coordinating dependencies across engineering, product, and infrastructure teams Identify and resolve complex performance bottlenecks in build systems, bundlers, and JavaScript execution to ensure fast developer feedback loops Establish and evolve best practices for JavaScript tooling, including AST manipulation, static analysis, and incremental compilation strategies Mentor other engineers on compiler design, tooling architecture, and AI-assisted development practices Partner with cross-functional stakeholders to independently drive technical decisions and roadmap priorities for developer tools Proactively identify and address technical debt in tooling infrastructure, lead migrations to modern standards, and ensure maintainability at scale Communicate technical strategy, trade-offs, and roadmap decisions clearly to both engineering and non-engineering audiences, including leadership