Senior Frontend Engineer — AI-Driven Ads Platform

AI Chopping Block; Northern (KY); Hybrid; USD 191,000 - 267,000; Full time

Benefits offered by this job

Healthcare Benefits

401k Match

Family Planning Support

Gender-Affirming Care

Mental Health & Coaching

Flexible vacation

Parental Leave

Volunteer time off

Job summary

Reddit is seeking a senior frontend engineer to shape the next generation of advertiser tools, leveraging JavaScript, TypeScript, and React. You will own complex frontend areas, partnering with product, design, data science, ML, and backend teams to deliver intuitive, fast, and reliable experiences.

The role emphasizes architectural rigor, performance, accessibility, and maintainability, with opportunities to influence end-to-end campaigns and experimentation-driven improvements.

Qualifications

• 5+ years of experience building production web applications with JavaScript, TypeScript, and React.
• Comfort using Codex, Cursor, Claude, or comparable agentic coding tools in day-to-day software development.
• A track record of independently delivering complex frontend projects from technical design through launch and iteration.
• Sound judgment in frontend architecture, state management, component design, testing, and API integration.
• Experience building polished user interfaces with close attention to usability, performance, accessibility, and maintainability.
• Ability to work effectively through ambiguous product and technical problems.
• Strong communication and collaboration skills across engineering, product, design, and data disciplines.
• Experience using instrumentation, experimentation, or product metrics to understand and improve user experiences.
• A habit of improving engineering quality through code reviews, documentation, and technical mentorship.

Responsibilities

• Own the technical design and delivery of complex frontend features across Ads Manager’s creative and recommendation workflows.
• Translate AI-backed capabilities into interfaces that advertisers can understand, steer, and refine.
• Partner with product and design to work through ambiguous requirements and make sound product and engineering tradeoffs.
• Develop reusable frontend patterns and components that support a unified campaign creation experience.
• Instrument experiences, evaluate results, and use experiments and product data to guide iteration.
• Raise the quality of the codebase through thoughtful architecture, testing, observability, performance work, and accessibility.
• Provide high-quality code reviews and technical guidance, and help other engineers grow.
• Collaborate across frontend, backend, data, and machine learning systems to deliver reliable end-to-end experiences.

Skills

JavaScript

TypeScript

React

AI tools

Frontend architecture

UI/UX design

Testing & performance

Accessibility

Cross-functional collaboration

Code reviews

Tools

Codex

Cursor

Claude

Job description

Reddit is seeking a senior frontend engineer to shape the next generation of advertiser tools, leveraging JavaScript, TypeScript, and React. You will own complex frontend areas, partnering with product, design, data science, ML, and backend teams to deliver intuitive, fast, and reliable experiences.

The role emphasizes architectural rigor, performance, accessibility, and maintainability, with opportunities to influence end-to-end campaigns and experimentation-driven improvements.