Senior User Acquisition Manager

Ruby Labs is a leading tech company that creates and operates innovative consumer products. User Acquisition Manager to take full ownership of Meta paid traffic and drive subscriptions through web funnels within a single project. Meta is the core channel, with room to expand into additional sources such as AppLovin, X, TikTok and Snapchat. You'll manage 7-figure budgets across multiple GEOs, decide what to test, scale and cut, and be accountable for results. Performance is measured on real business metrics (CPA, ROAS and cohorts), not surface-level platform numbers. We are an AI-first team, so we expect you to use Claude and automation to move faster and to streamline your day-to-day workflows. Manage and scale paid social campaigns on Meta end to end: account structure, bidding, budget allocation, optimization and scaling. Expand into additional sources (AppLovin, X, TikTok, Snapchat) and look for new growth levers: audiences, formats, placements and campaign types. Scale spend across multiple GEOs while holding CPA and ROAS targets. Run structured creative testing with the creative team on all channels, with clear hypotheses and simple scale/kill rules. Work with the data team on reports, cohort analysis and deep dives, quickly diagnose drops and spikes and act on them. Manage signal quality: conversion events, event value, purchase optimization, attribution. Protect account health: manage ad account structure, backups and policy compliance. Work with platform reps on betas, new campaign types and escalations. Prepare a clear strategy, document tests and learnings, and keep an eye on market trends and competitors. 3+ years of hands-on experience managing paid social campaigns, with Meta as your main platform (TikTok, Snapchat, Pinterest, or AppLovin experience is a plus) and a proven ability to scale budgets efficiently while maintaining strong ROI. High-budget management: experience managing $500k+ in monthly ad spend, with consistent optimization and sustainable growth. Multi-GEO expertise: experience running and scaling campaigns across multiple countries and regions, and making independent, data-driven scaling decisions. Strong analytical skills: solid command of CPA, ROAS, and cohort analysis, plus proficiency in tools like Omni/Tableau/Mixpanel and the ability to build custom performance analyses. Meta platform knowledge: deep understanding of account structures, audience targeting, bidding strategies, and creative testing methodologies. AI and automation: experience automating user acquisition workflows with AI, automated rules or scripts, and a mindset of constantly looking for ways to work smarter. Autonomous and proactive: you take ownership, thrive in a fast-paced environment, and spot opportunities for testing, optimization, and growth. Growth mindset: strong motivation to learn, experiment and scale, with a focus on long-term performance. Clear communication: strong English, with the ability to present insights, results and recommendations to stakeholders. Ruby Labs operates within the CET (Central European Time) zone. Remote Work Environment: Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge. Flexible Independent Contractor Agreement: Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth! After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. Life at Ruby Labs At Ruby Labs, we move fast, aim high, and expect the same from our team. If you’re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen. LI-Remote