Principal UX Engineer, Ads at Reddit

Confirmed open

Reddit is hiring a US-remote Principal UX Engineer to build prototypes, workflow tools and production-adjacent experiences across Ads.

Reddit

Location: Remote
Work arrangement: remote
Technologies: TypeScript, React

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Role overview

Reddit’s Ads Design and Research team shapes advertising experiences across advertiser tools, consumer ads, measurement and connecting systems. This Principal UX Engineer role combines product design, frontend engineering, prototyping and technical leadership.

Responsibilities

Define and lead UX Engineering strategy across multiple Reddit Ads areas.
Build functional prototypes, workflow tools, agents and production-adjacent experiences.
Connect design intent to real systems and data and help teams reach engineering-ready direction.
Partner with Design, Research, Product, Engineering and Data Science while remaining hands-on.
Establish UX Engineering practices and reusable patterns for the Ads Design team.
Evaluate ideas, test assumptions and communicate technical and product tradeoffs.

Qualifications

Principal-level experience in UX engineering, frontend engineering, design systems or product prototyping.
Strong JavaScript/TypeScript and modern frontend skills with product-quality implementation.
Ability to work across design and engineering and make complex ideas tangible quickly.
Experience with prototypes, workflow tools, agents, APIs and production-adjacent systems.
Strategic communication, technical leadership and a strong user-centred product mindset.

Technology in this role

TypeScript: Strong JavaScript/TypeScript and modern frontend skills with product-quality .
React: • Strong hands-on expertise with modern frontend technologies such as React and .
JavaScript: Strong JavaScript/TypeScript and modern frontend skills with product-quality .
CAN: • Experience building production-adjacent prototypes, internal tools, systems, or frontend infrastructure that other designers and engineers can .

Role-specific candidate guide

Preparation notes based on the employer’s stated responsibilities and qualifications.

Understanding the scope. This Principal UX Engineer, Ads position at Reddit is best assessed through the work described in the employer’s posting, rather than the title alone. The available role overview says: “Reddit’s Ads Design and Research team shapes advertising experiences across advertiser tools, consumer ads, measurement and connecting systems. This Principal UX Engineer role combines product design, frontend…” Read that statement together with the responsibilities below to understand the likely balance between delivery, coordination and technical decision-making. The role belongs to the technical area, but that label is only a guide to the work; the employer’s own requirements remain decisive. Before applying, check the original listing for reporting lines, product or team assignment, employment terms and any details that may have changed since this copy was checked. Where this page says a fact is not specified, treat it as an open question rather than an implied promise.

What the responsibilities signal. The posting specifically names “Define and lead UX Engineering strategy across multiple Reddit Ads areas.”; “Build functional prototypes, workflow tools, agents and production-adjacent experiences.”; “Connect design intent to real systems and data and help teams reach engineering-ready direction.”. For each duty, identify a project where you performed comparable work and be ready to describe the context, your own.

Benefits

Comprehensive Healthcare Benefits and Income Replacement Programs
Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
Mental Health & Coaching Benefits
Flexible Vacation & Paid Volunteer Time Off
This job posting may span more than one career level.
In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/ .
To provide greater transparency to candidates, we share base salary ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.
The base salary range for this position is:
In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI). You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.
During the interview, we will collect the following categories of personal information: Identifiers, Professional and Employment-Related Information, Sensory Information (audio/video recording), and any other categories of personal information you choose to share with us. We will use this information to evaluate your application for employment or an independent contractor role, as applicable. We will not sell your personal information or disclose it to any third party for their marketing purposes. We will delete any recording of your interview promptly after making a hiring decision. For more information about how we will handle your personal information, including our retention of it, please refer to our Candidate Privacy Policy for Potential Employees and Contractors .
Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.

About Reddit

Reddit is a community platform. Its Ads Design and Research team shapes advertiser and consumer advertising experiences.

Employer website

How to apply

Review the original posting and apply through the employer’s careers page.

View source and apply

Source checked: 2026-10-13

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