Remote Senior Frontend Engineer, Ads Formats

Reddit; Oregon; Hybrid; USD 191,000 - 267,000; Full time

Benefits offered by this job

Comprehensive Healthcare Benefits and

401k Match

Family Planning Support

Gender-Affirming Care

Mental Health & Coaching Benefits

Flexible Vacation & Reddit Global Days

Generous paid Parental Leave

Paid Volunteer time off

Job summary

Reddit is seeking a senior frontend engineer to strengthen advertising experiences across desktop and mobile. You will work with product and design to resolve ambiguous requirements, partnering with Ads and Web Platform engineers to deliver robust, accessible interfaces while maintaining performance.

You will lead complex frontend initiatives, drive quality through reviews, testing, and mentorship, and ship features that scale with Reddit’s growth and reliability goals.

Qualifications

• 5+ years of experience building production web applications with JavaScript, TypeScript, and/or React.
• Comfort using Codex, Cursor, Claude, or comparable agentic coding tools in day-to-day software development.
• Track record of independently delivering complex frontend projects from design through launch and iteration.
• Strong frontend architecture, state management, component design, testing, and API integration.
• Experience building polished user interfaces with usability, performance, accessibility, and maintainability in mind.

Responsibilities

• Develop resilient frontend approaches to reduce ad disruptions using JS, TS, HTML, CSS, the DOM, and browser networking.
• Partner with Ads and Web Platform teams to integrate solutions into shared rendering infrastructure and build systems.
• Design experiments and phased rollouts to measure effectiveness while protecting performance and accessibility.
• Build instrumentation and monitoring to track mitigation effectiveness and guide iteration.
• Implement ad rendering, event collection, click handling, and browser extensions across multiple ad formats.
• Contribute to broader improvements in web advertising reliability, performance, and measurement.
• Raise engineering quality through design, testing, code reviews, documentation, and mentorship.

Skills

JavaScript

TypeScript

React

Frontend architecture

Accessibility

Job description

Reddit is seeking a senior frontend engineer to strengthen advertising experiences across desktop and mobile. You will work with product and design to resolve ambiguous requirements, partnering with Ads and Web Platform engineers to deliver robust, accessible interfaces while maintaining performance.

You will lead complex frontend initiatives, drive quality through reviews, testing, and mentorship, and ship features that scale with Reddit’s growth and reliability goals.