Full-Time

Head of User Acquisition

Updated on 5/8/2026

Ruby Labs

Ruby Labs

51-200 employees

Develops consumer health, edtech, entertainment apps

No salary listed

Europe

Remote

Applicants must be within ±4 hours of CET.

Category
Growth & Marketing (1)
Required Skills
Data Science
SQL
Tableau
Excel/Numbers/Sheets
Google Analytics
Requirements
  • 7+ years in performance marketing, with 3+ years in a senior leadership role overseeing UA at scale
  • Strong background in subscription-based Direct-to-Consumer products
  • Proven track record managing multi-million dollar monthly paid budgets
  • Highly organized, data and results-driven leader with experience directly managing and developing a team of at least 5–7 UA professionals
  • Deep platform knowledge: Meta, TikTok, Google, Pinterest, Snapchat, and other paid social/search/display
  • Experience building and scaling teams, setting KPIs, and leading under a centralized structure
  • Strong quantitative and analytical skills, with fluency in tools like Tableau, Google Analytics, and Excel/SQL
  • Applicants must be located within approximately ±4 hours of Central European Time (CET) and be able to work remotely in the CET overlap window
Responsibilities
  • Build and lead the centralized User Acquisition Department servicing multiple subscription products
  • Define and own the overall UA strategy across all platforms (Meta, TikTok, Google, Snapchat, Pinterest, etc.)
  • Develop scalable processes, standard operating procedures (SOPs), testing frameworks, and reporting systems
  • Design UA OKRs/KPIs for both department-wide success and individual team members
  • Manage and mentor a team of cross-platform UA Managers embedded in different product teams
  • Lead hiring, onboarding, training, and performance management processes across the UA function
  • Create a high-talent-density culture that fosters performance, collaboration, and growth
  • Oversee large-scale budget management across all platforms and products, ensuring efficient CAC and positive ROAS
  • Develop and implement strategic growth plans based on LTV:CAC ratios, retention, onboarding conversion, and ARPU
  • Partner with data science to create and refine advanced analytics and attribution models
  • Own the testing roadmap: A/B tests, geo-expansion, channel scaling, creative iteration
  • Collaborate with Managing Directors of each product to align UA strategies with business goals
  • Work closely with creative leads to guide ad production using data-driven creative briefs
  • Own vendor relationships with major advertising platforms / agencies and tools
Desired Qualifications
  • Experience using or managing relationships with advertising technology vendors and platforms beyond core social channels
  • Track record of driving improvement in ROAS and CAC across multiple subscription products
  • Demonstrated success building and maintaining a high-performance, growth-oriented organizational culture
  • Proficiency with SQL for data analysis and data-driven decision making beyond basic analytics tools
  • Experience working in a remote, distributed team with strong cross-functional collaboration

Ruby Labs creates and runs a collection of consumer-facing digital products in health, education, and entertainment. Its apps are built for mobile devices and marketed directly to users, generating revenue from in-app purchases and subscriptions within its own product ecosystem. The company distinguishes itself by managing its own multi-vertical portfolio and operating with a remote-first culture, focusing on broad consumer appeal across wellness, learning, and entertainment needs. The company’s goal is to provide accessible digital platforms that help people improve well-being, acquire new skills, and enjoy engaging entertainment through its direct-to-consumer apps.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

London, United Kingdom

Founded

2018

Simplify Jobs

Simplify's Take

What believers are saying

  • Bundled platforms yield 34% higher retention amid 2025 subscription fatigue.
  • 100M+ user base fuels AI personalization boosting engagement 28-45%.
  • Southeast Asia expansion drives 2.5x growth over Western markets.

What critics are saying

  • Duolingo's health gamification erodes edtech users in 6-12 months.
  • Calm's meditation acquisition consolidates 70% health share in 12-18 months.
  • UK CMA probe forces unbundling, slashing 30% revenue in 3-6 months.

What makes Ruby Labs unique

  • Ruby Labs operates multi-vertical portfolio spanning health, education, entertainment since 2018.
  • Remote-first London HQ enables rapid scaling across consumer app markets.
  • Direct-to-consumer model bundles wellness, learning, entertainment via subscriptions.

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Benefits

Remote Work Options

Unlimited Paid Time Off

Paid National Holidays

Company-provided MacBook

Flexible Work Hours