Reddit, Inc. · 5 hours ago
Senior Creative Technologist
Reddit is a community of communities, and they are seeking a talented Creative Technologist to join KarmaLab, their in-house creative strategy team. This role focuses on enhancing AI-generated creative assets for advertising, ensuring high quality and contextual relevance while collaborating with Product and Engineering teams.
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Responsibilities
Build and maintain a robust library of gen AI prompts and creative patterns aligned with Reddit’s ad formats, community dynamics, and creative best practices
Translate advertiser goals and campaign strategy into structured, machine-readable inputs that produce effective and contextually relevant assets
Expand the coverage of reddit’s creative generators to all the relevant formats and placements in the platform, following the best practices for performance and adoption
Define a versioned prompt/input taxonomy (objective, audience, tone, constraints, community signals) with tagging for format, vertical, and outcome
Instrument coverage tracking to expose gaps by format, placement, and vertical; publish a prioritized backlog to close gaps
Improve the quality, contextual relevance, and brand safety of large language and diffusion model outputs across text, images, video, contextual variations, and personalized variants
Develop a repeatable framework for evaluating model outputs, iterating on prompts, and refining input data
Establish a consistent, weekly cadence for model testing, structured feedback, and creative experimentation
Partner with Product and Engineering to prioritize improvements, validate model updates, and accelerate feature development by 4–6 weeks per launch
Identify opportunities to automate creative actions, such as generating asset variations, enhancing client-provided media, or informing creative recommendations
Collaborate on integrating creative-audience insights signals into generative inputs
Qualification
Required
5+ years of experience in creative strategy, brand planning, agency work, or content development
Hands-on experience working quickly and efficiently with generative AI workflows, prompt optimization, or AI-assisted media creation
Portfolio that includes prompt → output workflows, grading rubrics, and 'what changed/why' narratives; not just final assets
Ability to translate creative briefs and advertiser objectives into structured prompts or input schemas. You speak the language of designers
Experience optimizing LLM or diffusion outputs for quality, clarity, and contextual accuracy
Experience with creative evaluation frameworks, qualitative scoring, or RAG pipelines
Understanding of experimentation cycles, including variable testing and tagging qualitative signals
Familiarity with, or ability to quickly learn, automated creative production systems or multi-agent orchestration
Understanding of the methodology behind evaluation and automation: Python notebooks and/or simple scripts to run batch generations, score outputs, and export side by side comparisons
Familiarity with social platforms, cultural trends, subcultures, and community-driven creative storytelling
Comfortable collaborating with PMs, engineers, and cross-functional partners to evaluate and improve creative tools
Ability to review and refine image or video assets for contextual relevance and brand quality
Highly organized, systematic thinker with a strong editorial eye
A 'Yes, and' mindset that builds upon ideas constructively
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
Company
Reddit, Inc.
Reddit is the heart of the internet, where millions of people get together to talk about any topic imaginable.
H1B Sponsorship
Reddit, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (99)
2024 (63)
2023 (76)
2022 (70)
2021 (68)
2020 (39)
Funding
Current Stage
Public CompanyTotal Funding
$1.33BKey Investors
FidelityVy CapitalTencent
2024-03-21IPO
2021-08-12Series F· $410M
2021-02-08Series E· $367.95M
Recent News
2026-01-22
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2026-01-21
2026-01-16
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