Junior User Acquisition Manager

Tradedoubler

ROLE OVERVIEW App Growth | User Acquisition | Client Management| Europe: Appiness's main office is in Amsterdam but you can work from any of our offices in Berlin /Munich/London. Hybrid | Mid–Senior Level   We are not hiring a campaign executor. We are hiring a performance driver. Appiness is an AI-powered App Growth Partner turning app users into shoppers. We deliver incremental, accountable post-install growth. Not cheap installs. Now we are looking for the person who will own and scale campaigns performance across our supply ecosystem. This role is for someone who understands user acquisition — and knows how to make it profitable. MAIN RESPONSIBILITIES Your Mission Manage and scale high-performance UA campaigns that: * Drive profitable user growth (CPI / CPA targets) * Allocate budgets intelligently across publishers and traffic sources * Continuously optimise towards incrementality and quality * Maximise ROAS and post-install performance You own performance. Fully. What You Will Do Own Campaign Performance * Manage brand budgets across multiple publishers and traffic sources * Optimise campaigns daily based on CPI / CPA / post-install KPIs * Shift budgets aggressively towards top-performing sources * Identify and scale winning channels * Cut underperforming spend fast * No “set and forget.” * No tolerance for inefficient spend.   Work Directly with Supply * Build strong relationships with publishers and traffic partners * Negotiate placements, volumes, and pricing * Push partners for performance improvements * Test new traffic sources continuously * Unlock scale where others can’t   Drive Data-Led Optimisation * Analyse performance deeply (cohorts, LTV, retention, events) * Work with MMP data (Adjust / AppsFlyer or similar) * Understand attribution, incrementality, and post-install signals * Translate data into clear optimisation actions * Iterate fast Act as a Growth Partner to Clients * Understand client goals and business models * Align campaign strategy with growth objectives * Provide clear performance insights and recommendations * Be accountable for results — not just delivery How Success Is Measured * Hitting and beating CPI / CPA targets * Strong post-install performance (LTV / ROAS) * Efficient budget allocation across sources * Scalable campaign growth * Clear, consistent performance improvement * We care about performance. * We care about profitability. * We do not care about vanity metrics. * Drive profitable user growth (CPI / CPA targets) * Allocate budgets intelligently across publishers and traffic sources * Continuously optimise towards incrementality and quality * Maximise ROAS and post-install performance * You own performance. Fully. YOUR PROFILE Who You Are * 5+ years in mobile app user acquisition * Experience at an app agency, brand, or MMP (Adjust / AppsFlyer or similar) * Strong understanding of the mobile growth ecosystem * Hands-on experience managing publisher / traffic source relationships * Deep performance mindset (CPI / CPA / ROAS driven) * Highly analytical and commercially sharp * Proactive and ownership-driven * You are not reactive. * You are not waiting for instructions. * You are not afraid to make decisions. * You like pressure.  Not For Junior campaign managers Pure account managers Brand marketers without performance experience General digital marketing profiles Anyone without deep app UA knowledge WHY US? Why This Role Matters Campaign performance is at the core of Appiness. Your impact is direct: Client results | Revenue quality| Scalability of the business| Reputation in the market This is not a maintenance role. It is ownership of performance. If you are someone who knows how to drive app growth — and wants real impact — we should talk.     Company Description As part of Tradedoubler Group, Appiness is a truly global force, with offices across 10+ countries. Our team? Diverse, creative, and endlessly collaborative—bringing together brilliant minds from all over the world to shape the future of digital growth. appiness.net | tradedoubler.com

Voodoo

ABOUT VOODOO Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular Studios like BeachBum and apps such as BeReal and Wizz. TEAM Join Cortex, a small, fast-moving studio building smart mobile puzzle games — The Almanac, a daily ritual for tens of thousands of players, and new titles like Shikaku. We're a lean, growth-driven team backed by Voodoo. You'll sit at the heart of how we find and convert new players. ROLE As Cortex's Growth Manager Junior (Internship), you'll own the creative engine behind our user acquisition. Your job is to produce a high volume of ad creatives with AI tools, test them fast, and find what makes players click and install. You'll start on creative production and ASO, and progressively grow into monitoring and steering our UA campaigns day-to-day. This is a junior role, ideal for a first or second professional experience — we hire on your creative output and your energy, not your CV. RESPONSIBILITIES * Produce a high volume of ad creatives (video, static, playable concepts) using AI tools like Scenario, Midjourney, Runway and CapCut * Test creatives, read the results, and iterate fast to bring the CPI down * Own ASO across the App Store: keywords, screenshots, and continuous iteration * Watch the market and competitors to feed fresh creative angles * Support and progressively take ownership of daily UA monitoring (AppLovin, Meta) * Work hand-in-hand with the founder, and level up on UA economics through an onboarding with Voodoo's growth team PROFILE * Gen Z, marketing brain paired with creative hands * Already creating on your own — a faceless page, UGC, AI experiments. You bring a portfolio, not a diploma * Fluent with AI creative tools, or the kind of person who learns a new tool in an afternoon * Analytical curiosity: you want to understand why a creative converts * Huge energy and ownership, comfortable shipping 10 rough creatives to find the 1 that works * Video editing is a strong plus * Fluent English BENEFITS Competitive salary, performance bonus, and other benefits according to the country you reside in.

Voodoo

ABOUT VOODOO Founded in 2013, Voodoo is a tech company that creates mobile games and apps with a mission to entertain the world. Gathering 800 employees, 7 billion downloads, and over 200 million active users, Voodoo is the #3 mobile publisher worldwide in terms of downloads after Google and Meta. Our portfolio includes chart-topping games like Mob Control and Block Jam, alongside popular apps such as BeReal and Wizz. TEAM Our Growth team helps maximize the potential of each Voodoo product within the ecosystem. The team is split into several job expertise such as user acquisition, ad monetization, video ads, playable ads, and influencer marketers. Being part of the Growth Team at Voodoo requires a lot of operational excellence and creativity in order to constantly adapt ourselves to stay ahead of the rest of the market. ROLE Voodoo is looking for a Performance Marketing Manager to own user acquisition activities on a portfolio of games and apps. Reporting to one of our Performance Marketing Lead, you will leverage your expertise and creativity to turn great mobile products into global hits. * Plan and manage UA campaigns for multiple games and/ or apps * Analyze the performance of our campaigns, identify the most relevant signals, and increase the ROAS of our games and apps * Work closely with our Product and Creative teams to coordinate efforts and share feedback * Use our suite of internal growth tools and interface with our Tech team to continuously improve them * Deepen your UA expertise and share best practices with other teams to keep our organization at the forefront of growth innovation * Lead transversal projects and coach junior team members  PROFILE * You have experience in performance marketing and paid acquisition, in application or gaming companies * You have a successful track record with ROAS strategies on mobile games and/ or apps * You’re intimately familiar with user acquisition platforms (Facebook Ads, AdMob, AppLovin, TikTok, DSPs, etc.) and MMPs (Appsflyer, Adjust, etc.) * You’re well-versed with experimentation methodologies and processes * You have experience with influencer marketing and ASO * You’re a hacker: you’ve already tried innovative organic/ viral tactics * You speak and write English fluently * You wish to work in an environment that values candor, freedom, and responsibility BENEFITS * Competitive salary  * Premium healthcare (SideCare) for you and your family 100% borne by Voodoo * Swile Lunch voucher * Gymlib (100% borne by Voodoo) * Wellness activities in our Paris office * Flexible vacation policy * Remote days * Child daycare facilities (Les Petits Chaperons rouges)