We bring startups and disruptive tech companies to the local market, offering engineers the opportunity to work on innovative, high-impact products. Join us and become a member of their R&D team while we take care of employment, HR support, a benefits package, and an enjoyable work environment.
They create and grows mobile apps used by millions worldwide. Their apps are primarily monetized through in-app advertising, so every UA decision is judged on real ad revenue per user, not vanity installs.
About the role We're looking for a
Senior UA Manager
to own and scale paid acquisition across our client’s mobile portfolio.
You'll manage significant daily budgets across Meta, TikTok, Mintegral, AppLovin, Unity and other networks, with one clear goal: profitable growth measured by ROAS.
This is a hands‑on role with direct impact on company revenue and a short path from idea to live test.
[01] Responsibilities
Plan, launch and optimize mobile UA campaigns across Meta, TikTok, Mintegral, AppLovin, Unity and additional networks (Google App Campaigns, ironSource, Moloco, Liftoff, DSPs)
Own budgets and hit ROAS targets (D0/D3/D7) by managing tROAS bids, daily caps and budgets at campaign and country level
Scale winners and cut losers fast, based on trends and total profit, not single-day noise
Build and run a structured testing roadmap: new networks, geos, bidding strategies, audiences and creatives
Work closely with the Creative team on briefs, concepts and creative performance analysis
Partner with Data and Monetization teams to connect UA cost with ad revenue (eCPM, ARPDAU, LTV curves)
Analyze performance in SQL and BI dashboards, and spot issues before they cost money
Manage relationships with network account managers and push for betas, better terms and support
Report weekly to management on spend, ROAS, learnings and next steps
[02] Requirements
5+ years of hands‑on mobile UA experience
Proven track record managing significant budgets on at least two of: Meta, TikTok, Mintegral, AppLovin, Unity
Deep understanding of ROAS‑based bidding (tROAS, AEO/VO, CPI/CPE) and cohort‑based KPIs
Strong analytical skills: comfortable with Excel/Sheets, BI tools, and MMP data (AppsFlyer, Adjust or similar)
Ownership mindset: you treat the budget like your own money
English from Upper-Intermediate (B2)
[03] Nice to have
Experience in mobile gaming or adtech companies
Experience growing apps monetized mainly through in‑app ads (IAA) or hybrid models, not only IAP
Understanding of ad monetization: mediation, eCPM, ARPDAU and how they drive LTV and ROAS
Hands‑on experience with AppLovin and Mintegral at scale
SQL skills (Snowflake, BigQuery or similar)
Experience launching new networks and geos from zero
Experience with creative testing frameworks and working with creative teams
[04] At On The Spot, we’re creating a workplace people would want to stay in:
supportive, well‑organized, and fair in terms of conditions and benefits.
We’ll share more about our benefit package during the interviews. In the meantime, you can always check our Glassdoor reviews .
If you want to work from Poland, you need to have a residence permit or another valid document allowing work there. Thank you!
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Senior UA Manager in Warsaw – pracodawca: On The Spot Development
Orca Security w Warszawie to doskonały pracodawca, który oferuje wyjątkowe możliwości rozwoju zawodowego w dynamicznym środowisku technologicznym. Pracując w zespole Sensor, będziesz miał szansę na bezpośredni wpływ na kierunek techniczny projektu, a także korzystać z kultury współpracy i innowacji, która sprzyja kreatywności i zaangażowaniu. Dodatkowo, firma zapewnia elastyczne godziny pracy oraz wsparcie w nauce i rozwoju umiejętności, co czyni ją idealnym miejscem dla ambitnych inżynierów oprogramowania.
