Ruby Labs Ltd. logo

Head of User Acquisition

Job Overview

Location

European Union

Job Type

Full-time

Category

Data Science

Date Posted

May 22, 2026

Full Job Description

đź“‹ Description

  • • Lead the centralized User Acquisition Department serving multiple subscription-based products across health, education, and entertainment verticals.
  • • Define and own the global UA strategy across all paid traffic channels including Meta, TikTok, Google, Snapchat, and Pinterest.
  • • Develop scalable SOPs, testing frameworks, and reporting systems to standardize UA operations across product teams.
  • • Design and own department-wide and individual OKRs/KPIs tied to CAC, ROAS, LTV:CAC, retention, onboarding conversion, and ARPU.
  • • Manage, mentor, and develop a distributed team of 5–7 expert UA Managers embedded within product teams.
  • • Lead full lifecycle hiring, onboarding, training, and performance management for the entire UA function.
  • • Oversee multi-million dollar monthly paid media budgets across all platforms and products, ensuring efficient spend and positive return.
  • • Partner with data science teams to build and refine advanced analytics, attribution models, and measurement systems.
  • • Own the UA testing roadmap including A/B tests, geo-expansion initiatives, channel scaling, and creative iteration.
  • • Collaborate directly with Managing Directors of each product to align UA strategy with business objectives and growth targets.
  • • Work closely with creative leads to produce data-driven ad creatives through structured briefs and performance feedback loops.
  • • Manage vendor relationships with major advertising platforms, agencies, and third-party tools used for UA.
  • • Foster a high-talent-density culture focused on performance, collaboration, accountability, and continuous improvement.
  • • Maintain a hands-on leadership style with a "first in, last out" mentality, deeply involved in daily execution and strategic decisions.
  • • Hold teams to extremely high standards with zero tolerance for poor execution or suboptimal results.
  • • Drive rapid iteration and relentless optimization across all UA activities to maximize efficiency and growth.
  • • Operate as the key strategic bridge between product, creative, and analytics teams to ensure alignment and execution excellence.

🎯 Requirements

  • • 7+ years in performance marketing with 3+ years in senior leadership overseeing UA at scale
  • • Proven experience managing multi-million dollar monthly paid media budgets
  • • Deep platform expertise in Meta, TikTok, Google, Snapchat, Pinterest, and other paid social/search/display channels
  • • Demonstrated success building and scaling teams of 5–7 UA professionals within a centralized structure
  • • Strong quantitative skills with fluency in Tableau, Google Analytics, Excel, and SQL
  • • Experience working with subscription-based D2C products across multiple verticals

🏖️ Benefits

  • • Remote Work Environment with flexibility to work from anywhere
  • • Unlimited PTO to support well-being and work-life balance
  • • Paid national holidays
  • • Company-provided MacBook for all employees who need one
  • • Flexible Independent Contractor Agreement offering autonomy, tax advantages, and entrepreneurial freedom

Skills & Technologies

Go
Ruby
Design
Remote

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Ruby Labs Ltd.
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About Ruby Labs Ltd.

Ruby Labs Ltd. is a London-based product studio that builds and scales consumer subscription mobile and web applications. The company focuses on health, wellness, and productivity verticals, developing apps such as Hint, Able, and the award-winning fitness platform FitCoach. Using data-driven growth and proprietary technology, Ruby Labs rapidly prototypes, launches, and iterates products to serve millions of global users. The team combines engineering, product design, and performance marketing expertise to create sustainable digital businesses. Founded in 2018, Ruby Labs operates a portfolio of self-funded apps, emphasizing user privacy, scientific validation, and long-term customer value.

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