Growth Manager- Cortex Studio (Freelance-Fully remote)

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 is a transversal entity aiming to maximize and deliver the potential of any mobile product. It combines user acquisition, creative content production, monetization, and the tech capabilities required to turn applications into global hits. With over 150 experts, we operate at the forefront of mobile marketing and ad tech across various types of games (hypercasual, hybrid, 100% IAP). ROLE As a Growth Manager, you will own the scaling of a top priority game or a portfolio of new titles, acting as the Head of Marketing and strategic counterpart to the General Manager. Your mission is simple: grow the game aggressively. You will leverage our full Performance Marketing engine (User Acquisition experts, Creative Production, internal tools) and activate non-paid growth levers to push performance even further. During the first 6 to 9 months, you will ramp up by building deep expertise in user acquisition, while acting as a performance marketing specialist and ad creative strategist. * Build and own the growth strategy to scale our leading mobile games. * Execute all our acquisition channels: paid UA but also non-paid such as partnerships, featuring, influencer marketing, growth hacking, App Store Optimization, and community building (not exhaustive). * Monitor market trends and competitors to identify emerging high-performing growth channels. * Collaborate with cross-functional teams to ensure flawless execution and maximize the impact of available resources. * Conduct rigorous data analysis to evaluate channel performance, guide decisions, prioritize initiatives, and uncover new growth opportunities. PROFILE * Master’s degree from a top engineering or business school (Programme Grande Ecole). * 2-3 years of experience in fast-paced, analytical environments (strategy consulting, investment banking, high-growth tech environments). * Strong strategic thinking and analytical capabilities. * Genuine interest in mobile gaming and apps and/or performance marketing. * Autonomous, proactive, and comfortable rolling up your sleeves. * Excellent communication and interpersonal skills. * Fluent in English and French. BENEFITS * 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)

Proton

JOIN PROTON AND BUILD A BETTER INTERNET WHERE PRIVACY IS THE DEFAULT Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we've built the world's largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar — tools used by millions globally to protect their freedom, fight censorship, and keep their data safe. In some situations, Proton has literally helped save lives. We are profitable, independent (no VC control), and selectively hire from the top ~1% of applicants. Our 700+ team members across 50+ countries come from leading organizations and elite academic backgrounds. We move fast, keep hierarchy light, and prioritize impact over optics. If you want to do meaningful work with exceptionally high-caliber people, this is it. Check our open-source projects here. ---------------------------------------------------------------------------------------------------------------------------------- PURPOSE OF THE ROLE We are looking for a Growth Manager to join the Proton Pass growth team, reporting to the Growth lead. You will support the execution of Pass's growth strategy across both product-led growth (PLG) and marketing, helping drive activation, conversion, and adoption for our password manager consumer and business offering. This is a hands-on role for someone who wants to build execution experience across the full growth stack, from in-product experimentation to campaign delivery. ---------------------------------------------------------------------------------------------------------------------------------- WHAT YOU'LL DO * Drive growth, acquisition, activation, and retention initiatives for Proton Pass — across marketing and product * Design, launch, and analyze in-product experiments (onboarding flows, activation nudges, upgrade prompts) in collaboration with product and engineering * Support acquisition (in owned and paid channels) by identifying opportunities, briefing marketing, and tracking performance against growth targets * Optimize conversion across landing pages, upgrade pages, and other key funnel touchpoints, working closely with design and content * Surface insights and recommendations to drive the business metrics of our organization * Conduct competitive research and monitor market trends to inform strategic positioning * Collaborate day-to-day with product, engineering, marketing, and data teams to execute against the growth roadmap ---------------------------------------------------------------------------------------------------------------------------------- WHO YOU ARE * 2+ years of experience in growth, product marketing, or performance marketing, ideally within SaaS or tech * Exposure to both PLG (product/funnel experimentation) and traditional marketing execution (campaigns, content, demand generation) * Strong analytical skills; comfortable working with data and interpreting experiment or campaign results * Hands-on and detail-oriented; you enjoy executing day-to-day work rather than only setting direction * Solid project management skills, able to coordinate across product, engineering, design, and marketing stakeholders * Excellent written English; comfortable producing customer-facing copy as well as internal reporting Nice to Have * An interest in privacy and security products ---------------------------------------------------------------------------------------------------------------------------------- WHAT WE OFFER * Work that Matters: Millions of people trust Proton with their privacy. We answer only to our users — not advertisers, not investors with conflicting agendas, not governments. * A Great Team: Diverse, collaborative, and tight-knit, with people from MIT, Harvard, Stanford, Caltech, Cambridge, ETH, and more. * Technology: The right hardware and software to do your best work. * Learning & Development: We invest in your growth. Proton is one of the fastest ways to accelerate your career — real challenges, real ownership, from day one. * Employee Benefits: Strong health coverage, solid retirement options, generous leave, and wellness support. * Stock Options: From day one, you have a real stake in what we're building. When Proton wins, you win. * In-Person Collaboration: Offices across Geneva, Zürich, Barcelona, London, and more. You'll spend most of your time collaborating face-to-face. * Food: Lunch and snacks on us every day in the office. * Transport: We cover public transport, bike allowances, or parking — whichever works for you. * Flexible Working: You own your schedule. Outcomes matter more than clock-in times. * Compensation range Paris: 36.000 - 52.000 EUR gross annually* Barcelona: 35.000 - 51.000 EUR gross annually* Other locations: Compensation will be discussed during the interview process *Final compensation will be determined based on the candidate's qualifications, skills, and previous experience ---------------------------------------------------------------------------------------------------------------------------------- OUR COMMITMENT TO DIVERSITY AND INCLUSION At Proton, we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals — regardless of race, ethnicity, gender, age, sexual orientation, physical ability, or socio-economic background — feel valued and empowered. If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know. ---------------------------------------------------------------------------------------------------------------------------------- CANDIDATE PRIVACY NOTICE When you apply for a position at Proton Technologies AG, your information is stored in Greenhouse in accordance with its Service Privacy Policy. This information is used to evaluate your suitability for the posted position and may be retained for future roles. If we no longer have a legitimate business need to process your information, we will either delete or anonymise it. For questions about your data, contact: careers@proton.ch Proton does not accept unsolicited CVs from any sources other than directly from candidates. #LI-ONSITE