Senior Frontend Engineer, Ads Creative

Important: if an employer asks you to log into their system via iCloud or Google, send a code, an SMS or Telegram password, run some code, or install software — refuse. These are signs of fraud. is a community of communities. It's built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, is one of the internet’s largest sources of information. For more information, visit . Team Description The Ads Creative & Recommendations team makes it easier for advertisers to maximize performance on through relevant creative and actionable recommendations. We own the advertiser-facing workflows where creative, recommendations, and campaign creation come together. Our goal is to reduce blank-canvas work and help advertisers move from an idea to an effective campaign with less friction. We build unified experiences that give advertisers useful context, evidence-backed guidance, and the ability to refine the system’s suggestions. Role Description We’re looking for a senior frontend engineer with deep JavaScript, TypeScript, and React experience to help shape the next generation of ’s advertiser tools. You’ll independently own complex and sometimes ambiguous areas of the product, from technical design through launch and iteration. You’ll work closely with product, design, data science, machine learning, and backend engineering to turn sophisticated capabilities into workflows that feel simple and dependable. This role is a strong fit for someone who cares about both the architecture behind a frontend system and the details that make a product intuitive, fast, accessible, and maintainable. 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. Required 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. Bonus points Experience building advertising, campaign management, creative tooling, or other complex business applications. Experience designing interfaces for generative AI, machine learning, or recommendation systems. Familiarity with asset management, media upload, image editing, creative versioning, or content generation workflows. Experience building or contributing to shared component libraries and design systems. Experience improving large frontend codebases through architecture, performance, testing, or accessibility work. Technologies used on the team include JavaScript, Typescript and React Modern frontend testing, experimentation, and observability tools Benefits Comprehensive Healthcare Benefits and Income Replacement Programs 401k Match Family Planning Support Gender-Affirming Care Mental Health & Coaching Benefits Flexible Vacation & Global Days Off Generous paid Parental Leave Paid Volunteer time off Pay Transparency 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, 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 . 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:$190,800—$267,100 USD 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. 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