Growth Manager

Job Description
Seventh Wave is part of Adevinta, one of the world’s leading online classifieds groups. We’re a small, exceptionally talented team at the frontier of AI deployment, pushing the boundaries of how classifieds businesses operate at scale. We build, shape, and run these businesses end-to-end, driven by an owner-founder mindset from day one. Joining us now means joining early and having a direct hand in shaping our growth journey. Across Adevinta, our marketplaces reach more than 100 million users every month. Backed by an investor consortium including Blackstone, Permira and General Atlantic, the group brings together leading marketplaces such as mobile.de and Kleinanzeigen in Germany, leboncoin in France, Marktplaats in the Netherlands, Subito in Italy and Kijiji in Canada. Job Requirements About you
• Clear thinking. You use evidence to form a view on a commercial problem and identify the assumptions worth testing. You can make a practical decision even when the data is incomplete.
• Marketing instincts. You notice what earns people's attention and can explain why a campaign or proposition works. You bring original ideas and the judgement to connect
• them to a customer need.
• Drive and ownership. You set yourself demanding goals, take initiative and follow through when the work becomes difficult. You take responsibility for the result and find ways to keep moving.
• Curiosity and learning. You pick up unfamiliar topics quickly, seek out feedback and experiment with AI and new tools.
• Teamwork and communication. You communicate fluently in English and turn ideas into clear briefs for colleagues and partners. You help others succeed, give candid feedback and welcome challenges to your thinking.
• Relevant experience. You bring around 1–2 years in strategy consulting, ideally at McKinsey, BCG or Bain, or in a startup or scale-up. Experience in both environments, including through internships, is a plus. Job Responsibilities Bring strong marketing instincts and the ambition to develop them across the full go-to-market function. You'll build your expertise through real campaigns and increasingly broad challenges, working alongside local teams and specialists.
• Shape the growth plan. Work with the commercial transformation lead and local teams to identify the audiences, categories and regions where marketing can make the biggest difference, and focus activity and spend accordingly.
• Create and launch bold campaigns. Develop distinctive messages and creative ideas, then work with agencies and local teams to test and launch them across digital and physical channels.
• Measure impact and steer investment. Work with data specialists on attribution and experiments that show which activities generate additional customers or revenue. Use the findings to improve campaigns and guide budgets.
• Reinvent marketing with AI. Test AI across research, creative production and campaign execution, and help select the tools and workflows that make the marketing team more effective.
• Grow across the go-to-market function. Build your expertise across paid marketing, out-of-home campaigns, CRM, SEO and sales as your remit grows, working with specialists to improve targeting, measurement and execution.
• Scale successful approaches. Turn effective campaigns, measurement methods and AI workflows into tools and playbooks that other marketplace teams can adopt. Job Benefits Compensation. A highly competitive all-in salary package, with no performance-based bonuses. Location. We work in person at our Barcelona office, with occasional travel to our marketplaces depending on your role and scope. Development. A personal development budget and hands-on experience across different marketplaces and areas of the business. Environment. An international team with high standards, substantial autonomy and real responsibility for what we deliver. Our application process We look for evidence of clear thinking, initiative and follow-through. Our case studies reflect the practical decisions and commercial challenges you would work on here. We'll explore how you approach unfamiliar problems, make decisions and turn them into action. 1. Apply. Send us a one-page CV and a one-page cover letter. Tell us why you want to join Seventh Wave and what you would bring to the team. 2. Application review. Our hiring committee reviews every application personally and will be in touch within two weeks. 3. Shortlist and next steps. If we shortlist your application, we'll share the interview format, who you'll meet and any preparation required. 4. Interview day in Barcelona. Spend a day with us in person, working through practical cases and discussing your experience, ambitions and how we would work together. You'll have time with your prospective manager and colleagues to ask questions and decide whether Seventh Wave is right for you. We aim to make and communicate our hiring decision that day.