Senior User Acquisition Manager

About the role

Nanobit, a Zagreb-based mobile entertainment studio and part of Stillfront Group, is building ReelSaga, a short-form vertical drama app. It is hiring a Senior User Acquisition Manager to own how ReelSaga grows through paid media: setting the UA strategy, owning the budget and forecast, and deciding where each euro goes. The role works closely with product, content and creative teams.

Key responsibilities

• Own UA strategy and budget: set channel mix, geo and platform priorities, ROAS and payback targets, and build and defend the monthly and quarterly plan.
• Run and scale core channels (Meta, AppLovin) and evaluate and launch new networks and DSPs.
• Own the web-to-app engine: funnels, paywalls, CTA-to-store handoff, deep linking and attribution, judged on revenue per user.
• Keep measurement integrity: reconcile AppsFlyer, the web funnel, ad networks and BI; know which source is truth for each decision.
• Forecast and report: cohort LTV and ROAS curves, D7-to-D30/D60 projections, channel P&L and contribution margin.
• Lead the creative feedback loop: turn new episodes and series into UA creative, design the testing system and pick winners on revenue quality.
• Partner with product and content on onboarding, pricing and promotion, and feed UA learnings back into targeting and creative.
• Manage network account managers, agencies and vendors, negotiate tests and credits, and push AI and automation into reporting, creative production and campaign operations.
• Track competitors on channels, creative, pricing and markets.

Required profile

• 5+ years of hands-on UA or performance marketing in mobile apps, with personal ownership of a six-figure monthly budget across several channels.
• Fluent English.
• Nice to have: experience with subscription/IAP hybrid monetisation, web-to-app funnels, vertical video or short-form content, influencer/creator UA, and a 0 to 1 launch track record.

Required skills

• Deep expertise in Paid Social and SDK networks.
• AppsFlyer (or Adjust / Singular), SKAN / AdAttributionKit, privacy constraints and incrementality testing.
• Cohort analysis, LTV modelling and forecasting.
• Ability to write creative briefs and read creative tests.
• Active, daily use of AI tools, with at least one workflow built yourself.

What we offer

• A live product, a real budget and the mandate to shape UA at ReelSaga.
• Additional financial benefits based on annual success, such as Christmas, Easter and summer bonuses, 13th salary, referral bonuses and covered transport.
• Flexible hours, a hybrid model (office days Tuesday to Thursday), 24 days of annual leave and a one-hour lunch break.
• Multisport membership, free annual health check-up, snacks, free lunch on office days and occasional discounts.
• Kindergarten compensation and a baby bonus for new parents.