Senior Frontend Engineer - Ad Formats & Performance

Reddit, Inc.; San Francisco (CA); Presencial; USD 191.000 - 267.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Healthcare benefits

401k match

Family planning support

Gender-affirming care

Mental health & coaching

Flexible vacation & Reddit Days Off

Parental leave

Volunteer time off

Descripción de la vacante

Reddit, Inc. is seeking a senior frontend engineer to strengthen advertising experiences across desktop and mobile web.

You will collaborate with product and design to navigate ambiguous requirements and balance tradeoffs, delivering maintainable frontend systems with measurable impact. The role emphasizes performance, accessibility, and scalable architecture, partnering with Ads and Web Platform teams to deploy across formats and surfaces.

Formación

• 5+ years of experience building production web applications with JavaScript, TypeScript, and/or React.
• Experience with instrumentation, experimentation, or product metrics to improve user experiences.
• Strong communication and collaboration across engineering, product, design, and data disciplines.
• Ability to work effectively through ambiguous product and technical problems.

Responsabilidades

• Develop resilient frontend approaches to reduce ad disruptions using JavaScript, TypeScript, HTML, CSS, the DOM, and browser networking.
• Partner with Ads and Web Platform teams to integrate solutions into shared rendering infrastructure and frontend architecture.
• Design controlled 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 Ad formats.
• Contribute to broader improvements in web advertising reliability and measurement.
• Raise engineering quality through code reviews, documentation, and mentorship.

Conocimientos

JavaScript

TypeScript

React

Frontend architecture

Performance optimization

Ambiguity management

Code reviews

Mentorship

Herramientas

Codex/Cursor/Claude tools

Browser platform

API integration

Descripción del empleo

Reddit, Inc. is seeking a senior frontend engineer to strengthen advertising experiences across desktop and mobile web.

You will collaborate with product and design to navigate ambiguous requirements and balance tradeoffs, delivering maintainable frontend systems with measurable impact. The role emphasizes performance, accessibility, and scalable architecture, partnering with Ads and Web Platform teams to deploy across formats and surfaces.