Generative Creative Specialist
We are seeking a Generative Creative Specialist to join our GenAI innovation pod and help scale high-volume, performance-driven creative for mobile game user acquisition. This role is primarily hands-on creation, focused on generating short-form video and static ads end-to-end using generative AI tools. In addition to producing assets, you will help develop reusable prompting frameworks and creative approaches that improve speed, consistency, and output over time.
You'll work closely with UA and performance marketing partners to explore hooks and visual concepts that drive results, and collaborate with Creative Services to help scale proven winners.
Job Responsibilities / Typical Day in the Role
Hands-On GenAI Creative Production
Lead production of text-to-video, image-to-video, and text-to-image tools to rapidly create and iterate on assets for major campaigns
Generate short-form video ads (6–30s) end-to-end (primarily in Runway) and produce static ads/variants for testing
Generate structured variations across hooks, pacing, and visuals
Translate creative briefs and hook ideas into mobile-first concepts optimized for feed placements
Iterate creative based on performance signals such as IPMs, CTR, CPI, and ROAS
Frameworks & Output Scaling
Maintain organized output management (iteration tracking, file naming/versioning, exports, and handoff-ready packages)
Develop and maintain a library of reusable prompt frameworks (hook styles, visual treatments, camera language, pacing, character/style consistency)
Continuously refine workflows to improve speed, volume, repeatability, and quality
Share learnings and frameworks with the broader GenAI innovation pod through documentation and examples
Participate in creative reviews with a performance-first mindset
Ensure Creative Quality
Curate and refine GenAI outputs to meet quality bars for clarity, readability, and thumb-stop impact
Ensure outputs stay on-brand and align to responsible AI guardrails
Must Have Skills / Requirements
Familiarity and comfortability with Gen AI tools a. 1+ year; Curiosity around GenAI uses cases and flexibility with which AI tools you are comfortable using.
Experience building marketing creatives a. 1+ years; Portfolios are a big plus. Experience utilizing GenAI to create marketing materials that will perform well in a UA capacity is a massive bonus.
Creative production and post-production skills a. 3+ years; Experience using AfterEffects, CapCut, Photoshop, etc. Ability to edit and manipulate creative inputs to translate to marketing materials. Familiarity with ticketing systems such as Asana or Jira.
Nice to Have Skills / Preferred Requirements
Bonus for mobile UA ad creative (short-form video and statics).
Mobile gaming experience.
Passion for other WBD IP.
Soft Skills:
Manages outputs in an organized way, including iteration tracking, naming/versioning, exports, and handoff-ready files
Mobile Game Experience: background in performance creative / mobile UA ad creation
Creative technologist mindset with strong visual instincts and comfort experimenting across tools/workflows
Collaborative, low-ego teammate who thrives in fast-moving, experimental environments
Passionate about games
Passionate about Game of Thrones/House of the Dragon.
Technology Requirements:
Hands-on experience creating short-form video and static images using generative AI tools (Runway preferred).
Advanced prompt engineering: able to build and maintain a library of reusable prompt structures, seeds, and style/model configurations to deliver consistent, on-brand outputs at scale
Performance-driven mindset: comfortable using CTR, IPM, CPI, and ROAS to guide iteration and generate structured creative variations
High-volume, fast-iteration work style: enjoys rapid testing, learning loops, and continuous improvement over polish
Familiarity with multiple GenAI tools beyond Runway (e.g., Sora) and knowing when to use which
Strong portfolio/reel showcasing mastery and creative integration of Generative AI content into finished campaigns.
Education / Certifications
1) None required.
Interview Process / Next Steps
1st round screening with Hiring Manager (Senior Manager, Performance Marketing & Partner Relations)
2nd round with another Gen AI Creative Specialist (Peer)
3rd round with Art Director
Possible 4th round with Senior Leadership.
Additional Notes
Sourcing in CA – San Francisco, CA – Burbank, or – Boston.
Hybrid requirement – 3-days on site per week. Open to remote for right fit.

GenAI Creative Specialist
LeadStack Inc. · San Francisco, CA, USA · Remote ·
- Job type:
- Full Time