User Acquisition Manager

Onyx is looking for a User Acquisition Manager to own and scale paid acquisition across our consumer platform. This person will lead strategy and execution across paid social, CTV, and external media buyers while working closely with our creative and analytics teams to improve performance across the full acquisition funnel.

The ideal candidate is highly analytical, deeply understands mobile attribution, and knows how to turn performance data into clear decisions around spend, channel mix, audience targeting, and creative strategy.

Responsibilities

• Own user acquisition strategy and execution across Meta, Tik Tok, Snapchat, CTV, and other emerging channels
• Manage external media buyers and agency partners
• Monitor campaign performance and optimize against CPA, CAC, LTV, CPI, ROAS, retention, and conversion targets
• Use Apps Flyer to evaluate attribution, analyze cohorts, and understand performance across channels and campaigns
• Manage and allocate paid media budgets based on performance and growth opportunities
• Partner closely with Sid and Kosta to develop, test, and iterate on high-converting performance creative
• Build structured testing plans across audiences, messaging, formats, placements, and landing experiences
• Identify trends and opportunities within campaign, customer, and lifetime-value data
• Develop reporting that clearly communicates performance, insights, and recommended actions
• Continuously evaluate new channels, partners, and acquisition opportunities

Qualifications

• 3+ years of experience in user acquisition, performance marketing, paid acquisition, or mobile growth
• Hands-on experience managing campaigns across Meta, Tik Tok, Snapchat, or similar paid channels
• Strong Apps Flyer experience is required
• Deep understanding of mobile attribution and key performance metrics, including CPA, CAC, CPI, LTV, and ROAS
• Demonstrated experience managing and optimizing meaningful paid media budgets
• Strong analytical skills and the ability to turn data into actionable growth strategies
• Experience collaborating with creative teams on performance-driven ad concepts and testing
• Comfortable operating in a fast-moving environment with significant ownership

Preferred Background

• Experience with a high-growth consumer mobile app
• Gaming, sports betting, fintech, trading, fantasy sports, or consumer subscription experience
• Familiarity with SKAdNetwork, incrementality testing, cohort analysis, and mobile measurement
• Experience managing CTV campaigns or external media buyers

This is a high-ownership role for someone who can combine analytical rigor with strong creative instincts and help build Onyx’s user acquisition function as we continue to scale.