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Research Scientist (Growth) at EQUALS

EQUALS is seeking a Research Scientist (Growth) to lead their systematic marketing engine in London. With 1 million monthly active users and backing from the investors behind Spotify and Facebook, EQUALS is redefining consumer social through music. You’ll treat paid acquisition like a quant desk, leveraging frontier AI and advanced mathematics to optimize growth across global platforms. If you are a technical builder who loves blending data with culture, this is your chance to join a world-class team from Apple, Nike, and Instagram and shape the next big social network.

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EQUALS

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Location

London, United Kingdom

Compensation

£60k-120k + Equity

Company

EQUALS

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Role overview

EQUALS is seeking a technical builder to own their systematic marketing engine. You will treat paid acquisition like a quant desk, applying advanced mathematics and frontier AI to optimize a live portfolio across major social platforms. This hybrid role blends cultural intuition with rigorous experimentation to drive global user growth through music.

Equals is the world’s largest social music network with over a million users, growing exponentially month to month. We connect people through the music they love - fans discover new people, collect tracks, and connect in artist chatrooms. Our platform serves users across the world with real-time chat, music streaming, and a recommendation engine that matches people by musical taste.

What you will do

  • Manage and optimize a multi-platform paid spend portfolio across TikTok, Meta, and Snap using real-time rebalancing systems instead of manual spreadsheets.
  • Deploy generative AI and autonomous agents to iterate on creative content and marketing tooling at a pace no traditional team can match.
  • Design scientific measurement frameworks for incrementality, attribution, and causal inference to replace gut-feel reporting with rigorous, actionable experimentation.

Who this is a fit for

  • Strong quantitative background in mathematics, statistics, or machine learning, with a passion for applying these disciplines to messy, real-world consumer data.
  • Fearless early adopter of AI who can bridge the gap between creative hooks and technical model reasoning to unlock new growth capabilities.
  • Pragmatic builder with a bias for action, capable of shipping, measuring, and iterating quickly within a fast-paced, high-stakes startup environment.

Why this role is remarkable

  • Join a high-traction social network with 1 million MAU that is outperforming platforms like Instagram and Snapchat in engagement and usage.
  • Work alongside an elite team of creatives and technologists from Apple, Nike, and Instagram, supported by legendary investors who funded Spotify and Facebook.
  • Build a first-of-its-kind marketing engine from the ground up, treating cultural trends as mathematical optimization problems using the latest AI models.

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If your profile’s a match and EQUALS wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.

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