Software Engineer, Front End

Meta; Olympia (WA); On-site; USD 184,000 - 257,000; Full time

Benefits offered by this job

Bonus

Equity

Benefits

Job summary

Meta is seeking a Staff Software Engineer to shape JavaScript tooling and developer infrastructure across Meta's products. You will design JS compiler enhancements, build tooling such as linters and test runners, and integrate AI-powered capabilities into developer workflows.

You will guide architecture and technical direction for JS tooling at scale, mentor engineers, and collaborate with cross-functional teams to drive performance, maintainability, and roadmap alignment.

Qualifications

• Bachelor's degree in CS, CE, or related field, or equivalent practical experience.
• 8+ years of experience in frontend software engineering, including JavaScript, HTML, and CSS.
• Experience leading frontend initiatives involving complex architectures, cross-team coordination, and phased rollouts.
• Experience building scalable, accessible UI systems for large user bases.
• Experience using data, experimentation frameworks, and telemetry to drive front-end decisions.
• Experience communicating technical decisions and trade-offs in writing to stakeholders.

Responsibilities

• Lead design and implementation of compiler passes and JavaScript transformations that improve code quality, performance, and developer experience.
• Build and enhance 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.
• 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.
• 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 leadership and engineers.

Skills

JavaScript

Front-end architecture

React

Cross-team collaboration

Performance optimization

Compiler passes

Tooling development

Mentoring

Roadmap planning

AI-assisted development

Education

Bachelor's degree in Computer Science or related field

Tools

Static analysis tools

Linters

Test runners

Code analysis tools

AST manipulation

CI/CD

Job description

Summary:

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.

Required Skills:

Software Engineer, Front End Responsibilities:

1. Lead the design and implementation of compiler passes and JavaScript transformations that improve code quality, performance, and developer experience across Meta's codebase

2. Build and enhance developer tooling infrastructure including linters, test runners, and code analysis tools used by thousands of engineers

3. Integrate LLM-powered capabilities into developer workflows, accelerating code generation, automated fixes, and intelligent tooling assistance

4. Drive end-to-end delivery of major JS tooling initiatives, coordinating dependencies across engineering, product, and infrastructure teams

5. Identify and resolve complex performance bottlenecks in build systems, bundlers, and JavaScript execution to ensure fast developer feedback loops

6. Establish and evolve best practices for JavaScript tooling, including AST manipulation, static analysis, and incremental compilation strategies

7. Mentor other engineers on compiler design, tooling architecture, and AI-assisted development practices

8. Partner with cross-functional stakeholders to independently drive technical decisions and roadmap priorities for developer tools

9. Proactively identify and address technical debt in tooling infrastructure, lead migrations to modern standards, and ensure maintainability at scale

10. Communicate technical strategy, trade-offs, and roadmap decisions clearly to both engineering and non-engineering audiences, including leadership

Minimum Qualifications:

Minimum Qualifications:

1. Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience

2. 8+ years of experience in front-end software engineering, including JavaScript, HTML, and CSS

3. Experience leading and delivering major front-end initiatives involving complex system architecture, cross-team coordination, and phased rollouts

4. Experience designing and building scalable, performant, and accessible user interface systems for products with large user bases

5. Experience using data, experimentation frameworks, and telemetry to drive front-end product and engineering decisions

6. Experience communicating technical decisions and trade-offs in writing to both technical and non-technical stakeholders

Preferred Qualifications:

Preferred Qualifications:

1. Experience with modern front-end frameworks such as React, including deep knowledge of rendering performance, state management, and component lifecycle

2. Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews)

3. Experience integrating AI tools into front-end development workflows to drive measurable gains in engineering efficiency or product quality

4. Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies

5. Experience with browser performance profiling, Core Web Vitals optimization, and progressive enhancement techniques for diverse device and network conditions

6. Experience building and maintaining design systems or shared component libraries used across multiple product teams

7. Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)

Public Compensation:

$183,997/year to $257,000/year + bonus + equity + benefits

Industry:

Internet

Equal Opportunity:

Meta is proud to be an Equal Employment Opportunity and Aff…

Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at [e-mail].