Job Description

Responsibilities

• Develop resilient frontend approaches using JavaScript, TypeScript, HTML, CSS, the DOM, and browser networking to reduce ad disruptions.
• Integrate solutions into shared ad rendering infrastructure, frontend architecture, and build systems with Ads and Web Platform teams.
• Design controlled experiments and phased rollouts while protecting site performance, accessibility, and user experience.
• Build instrumentation and monitoring to measure mitigation effectiveness, detect regressions, and guide iteration.
• Implement ad rendering, event collection, click handling, and browser extensions across multiple ad formats.
• Improve web advertising reliability, performance, measurement, and foundational infrastructure.
• Raise engineering quality through technical design, testing, code reviews, documentation, and mentorship.

Requirements

• 5+ years of experience building production web applications with JavaScript, TypeScript, and/or React.
• Experience using Codex, Cursor, Claude, or comparable agentic coding tools in day-to-day software development.
• Track record of independently delivering complex frontend projects from technical design through launch and iteration.
• Strong frontend architecture, state management, component design, testing, and API integration skills.
• Experience building polished user interfaces with attention to usability, performance, accessibility, and maintainability.
• Ability to navigate ambiguous product and technical problems and collaborate across engineering, product, design, and data disciplines.
• Experience with instrumentation, experimentation, or product metrics to improve user experiences.
• Experience with code reviews, documentation, and technical mentorship.
• Bonus: experience working with video ads, display ads, or other advertising formats.

Benefits

• Comprehensive healthcare benefits and income replacement programs.
• 401(k) match.
• Family planning support and gender-affirming care.
• Mental health and coaching benefits.
• Flexible vacation, Reddit Global Days Off, paid parental leave, and paid volunteer time off.
• Remote role, as indicated by the #li-remote designation.
• Base salary range of $190,800-$267,100 USD; the role may also include equity and, depending on the position, commission.

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