User Acquisition Manager (Radiotech)

About us Gismart is a value-driven mobile app developer with a strong presence in the Health & Wellness, Utilities, and Music app markets. We have recently reached an important milestone of 1B+ downloads worldwide , moving closer to our mission of supporting people on their self-improvement journeys. Headquartered in London, Gismart is a global company with a team of 400+ people across Europe and beyond . We bring together professionals from entertainment, music, and tech backgrounds, combining creativity, product thinking, and strong execution to build apps used by millions of people worldwide. Our mission is to become a stepping stone on our customers’ journeys of self-improvement. Our values Deliver what matters Respect and support others Initiate and own Voice openly Execute with quality If you are passionate about mobile products and want to work on apps with real scale, Gismart is the right place to grow, take ownership, and make an impact. About the project At Radiotech , we believe music should be accessible to everyone — not only to those who grew up taking lessons. We are a product team inside the Gismart ecosystem, focused on building and growing music apps across iOS and Android. Our portfolio includes products with millions of installs, rich functionality, and a long history of product development. These are apps that help users not only consume music content, but also play, learn, practice, create, interact, and enjoy the process. Our goal is to make music feel more approachable, engaging, and human for beginners, hobbyists, and people who want to bring more music into their daily lives. Responsibilities Own and lead user acquisition strategy for Hello Piano across paid channels. Partner closely with the creative production team to brief, test, and iterate on ad creatives (including playables, video, and static assets) that drive performance. Analyze campaign performance across channels, translating data into actionable insights and optimization recommendations. Identify and lead expansion into new geographies, adapting acquisition strategy and creative to local market dynamics. Build and maintain automation and auto-rules processes to optimize bidding, budget allocation, and campaign management at scale. Monitor key metrics (CPI, ROAS, LTV, Sub2Paid, retention) and report on performance against targets. Collaborate cross-functionally with product, analytics, and growth teams to align acquisition efforts with broader business goals. Requirements 2+ years of experience in user acquisition / performance marketing. Proven track record managing paid UA campaigns across major channels (Meta, Google, AppLovin, TikTok, etc.) with meaningful budget ownership. Strong analytical skills - comfortable working with LTV, ROAS, CPP, retention, and cohort-based metrics. Experience with MMPs and analytics tools (AppsFlyer, Adjust, or similar). Hands-on experience building or managing automation/auto-rules for bid and budget optimization. Familia