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Kalshi

Regulated event-contract trading platform

Media Buyer - Creative Testing & Optimization

Performance & Paid MarketingConfirmed live in the last 24 hours
Full-timeNew York, NY, USAIn-person

About the Job

Requirements

  • Proven experience buying media and optimizing direct-response campaigns, with strong hands-on skills in Meta and TikTok.
  • Experience running campaigns on Snapchat, X, and/or demand-side platforms (DSPs).
  • A track record of managing high-volume creative testing and turning winning ads into scaled campaigns.
  • A strong understanding of customer acquisition cost (CAC), cost per acquisition (CPA), and return on ad spend (ROAS).
  • Sound judgment about when an ad has enough spend and conversion data to scale, continue testing, or pause.
  • Strong organizational skills and comfort managing hundreds of ads across multiple platforms.
  • Exceptional attention to detail and the ability to execute quickly while maintaining accuracy.
  • The ability to turn campaign data into clear recommendations for creative and growth teams.

Responsibilities

  • Launch 200+ ads each week accurately and on schedule using an established testing framework, with consistent naming, accurate tracking, and correct targeting and campaign settings.
  • Evaluate acquisition cost, conversion volume, and spend to determine when an ad has enough data to move into scale campaigns.
  • Monitor performance, pause underperforming ads once they meet agreed decision thresholds, and direct spend toward the strongest performers.
  • Track what launched, what worked, what didn’t, and what should be tested next so results inform future decisions.
  • Give actionable feedback on the hooks, formats, messages, and concepts driving performance, helping the creative team develop stronger briefs and iterations.
  • Work with creative and compliance teams to ensure assets are approved, correctly formatted, and ready to launch.
  • Check copy, links, tracking, placements, targeting, and assets before every launch, catching mistakes before they affect performance.

About the Company

Kalshi

Regulated event-contract trading platform

Kalshi runs a US federally regulated exchange that lets traders speculate on whether future events will occur using event contracts. These contracts are approved by the CFTC and enable positions on outcomes like statistics or legislative results. Traders place bets on events via Kalshi’s trading platform, and the company earns revenue from transaction fees on each trade. Kalshi differentiates itself by being the first federally regulated market for event contracts, focusing on a new asset class within the futures ecosystem, and attracting both individual investors and institutional traders. Its goal is to give participants a regulated venue to hedge or speculate on economically significant events, expanding the scope of traditional futures markets.

Company size
501-1,000
Company stage
Series G
Total funding
$3.5B
Headquarters
New York City, New York
Founded
2019

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