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Principal UX Engineer, Ads

Reddit· User Experience
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Remote$245.8k - $344.1kfull-timePosted 2mo ago

About the role

Principal UX Engineer role at Reddit Ads, blending design and engineering to shape product direction, build production-adjacent prototypes and tools, and establish UX Engineering as a capability within the Ads team. Remote (United States).

Responsibilities

  • Define and lead the UX Engineering strategy across multiple areas of Reddit Ads.
  • Build high-quality functional prototypes, workflow tools, agents, and PR-ready product experiences that help teams explore ideas, test assumptions, and move faster from design intent to engineering review.
  • Partner with senior cross-functional leaders to shape product direction and bring clarity to complex, ambiguous opportunities.
  • Create reusable tools, systems, components, and workflows that make it easier to move from design and research into production.
  • Raise the bar for interaction quality, accessibility, performance, and technical craft across the Ads experience.
  • Build AI-native workflows, skills, agents, and tools that improve how Ads Design explores, prototypes, collaborates, and ships.
  • Mentor other practitioners and help grow UX Engineering as a capability across Reddit.

Qualifications

  • Deep experience at the intersection of product design and engineering, with a track record of building sophisticated interactive products.
  • Strong hands-on expertise with modern frontend technologies such as React and TypeScript.
  • Experience building production-adjacent prototypes, internal tools, systems, or frontend infrastructure that other designers and engineers can use.
  • Excellent product and interaction judgment, with the ability to turn complex ideas into intuitive, high-quality experiences.
  • Experience working across multiple teams or product areas and influencing product direction beyond a single project.
  • Strong systems thinking, with experience creating reusable patterns, platforms, or tools that help other teams move faster.
  • Fluency with AI-assisted coding, agents, and advanced prototyping workflows.
  • The ability to navigate ambiguity, make thoughtful tradeoffs, and bring design, engineering, product, and research perspectives together.
  • Strong communication and collaboration skills, particularly with senior cross-functional partners.
  • A portfolio or body of work that shows use cases, technical architecture, systems thinking, organizational complexity, and collaboration with engineering teams, not only polished UI outcomes.
  • A passion for staying hands-on while helping others do their best work.

Skills

Required:ReactTypeScriptProduction-adjacent prototypingSystems thinkingCross-functional leadership / collaboration
Nice to have:AI-assisted coding / AI-native workflows

Benefits

  • Comprehensive Healthcare Benefits and Income Replacement Programs
  • 401k with Employer Match
  • Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
  • Family Planning Support
  • Gender-Affirming Care
  • Mental Health & Coaching Benefits
  • Flexible Vacation & Paid Volunteer Time Off
  • Generous Paid Parental Leave
Last updated Oct 7, 2026. Interested? Apply on the company site.
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