Principal Growth Product Manager

About the job

Wallapop is a Barcelona based scale-up driven by the purpose to empower people to embrace a more conscious and human way of consumption. We believe in a world where collaborative economy is mainstream. This is what drives us. 💫

Wallapop operates in Spain, Italy and Portugal, offering a catalogue of several hundreds of millions of products and services. Powered by technical innovation and continuous improvement, we bring together the scale & trust of classifieds with the marketplace’s convenience & reach. 🌱 Our mission is to enable a connected trade ecosystem, making 2nd-hand the norm through smart use of technology.

The Challenge 🧩

As a Growth Product Manager, you’ll play a key role in accelerating Wallapop’s user growth by owning the strategy and roadmap for acquisition and activation. You’ll collaborate with engineers, designers, analysts, and marketing specialists to optimize the user journey from signup to the first 3 successful transactions.

You’ll drive product-led growth through data-driven experimentation, improving funnel conversion, and aligning closely with our marketing teams across paid and organic channels.

What You Will Do 👇

• Lead the growth strategy for user acquisition and activation across Wallapop’s app and web platforms.
• Design, run, and analyze experiments to improve engagement at every stage of the journey — from registration to the first transaction.
• Collaborate cross-functionally with engineering, design, data, and marketing to deliver high-impact growth initiatives.
• Partner with the Head of Acquisition to align marketing performance (SEO, SEM, Google Shopping) with in-product experiences that drive long-term activation.
• Leverage data and insights to identify and remove friction points in the onboarding and listing/buying flows.
• Define and monitor key metrics including activation rate, conversion rate, cost per activated user, and repeat transaction rate.
• Cultivate a culture of experimentation, utilizing A/B testing, cohort analysis, and iterative product improvements.
• Communicate learnings and results across product, marketing, and leadership teams to ensure shared goals and transparent progress.

What We’re Looking For 🔎

• Experience: Extensive experience in Product Management, with a focus on growth, activation, or conversion optimization.
• Experimental Mindset: A proven track record of driving measurable growth through data-informed experimentation and journey optimization.
• Analytical Depth: A strong analytical mindset with a comprehensive understanding of growth metrics and lifecycle flows.
• Collaborative Leadership: Experience working effectively within cross-functional teams of engineers, data scientists, designers, and marketers.
• Marketing Fluency: A solid understanding of how organic and paid channels (SEO, social, app campaigns) intersect with the product experience.
• Communication: Excellent storytelling skills; the ability to influence and align stakeholders around data-driven decisions.
• Tooling: Familiarity with A/B testing tools and analytics platforms (such as Amplitude, Mixpanel, or Looker).
• Mission-Driven: A genuine interest in marketplaces, user behavior, and sustainable consumption.

What Would Be A Plus 🚀

• Experience in marketplace or e-commerce environments, especially involving supply/demand dynamics.
• Technical background or a high degree of comfort collaborating closely with engineering teams on architectural trade-offs.
• Understanding of user segmentation, CRM automation, or retention marketing.

Do note that all our jobs are 📍 Barcelona based. We follow a hybrid model where flexibility rules. We commit to a minimum of 6 days per month in the office. Each team self-organizes to decide on cadence and in-person/remote rituals.

Wallapop is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees as we want Wallapop to be a place for everyone.

Additionally to the opportunity to contribute to an agile product set up and work together towards achieving our meaningful mission, we offer the following 🍭 Perks & Benefits:

• Generous individual learning budget of 2k per year
• Free office meals, lunch selection from different providers
• Group and individual English, Catalan & Spanish lessons as part of our working day
• Private Health Insurance with Alan
• Flexible working hours + intensive Fridays
• Flexible remuneration to deduct from gross salary (kindergarten/food/transport check)
• Gym & Wellness plan, including physiotherapist in the office
• Generous referral Program & Charity Donation
• Bonus for weddings & newborns
• Wallapop Renta (Tax income support)
• Monthly product advantages (Wallapop Club)
• Work anniversary Gifts and Birthday Surprises
• Contribution towards your WIFI in your monthly payroll
• One-off payment based on compensation package to go towards setting up your home office
• Relocation package (monetary support and legal advice) and visa sponsorship, if applicable
• 26 holidays per year
• TOP hardware of your choice (latest Apple or Windows)

What does the hiring process for this position look like? 👀**Please, note that all interviews take place remotely over hangouts.**

Intro Call - run by talent acquisition, focus on providing more information about the role and the company as well as going over your experience, motivation, and expectations. This usually takes 45-60 minutes.

Expertise Interview - run by the hiring team, focus on the required core skills and the ability to deliver in a given context. This usually takes 60 minutes.

Case Study Submission - you will be assigned a task to submit within 5 up to 7 days where you will be able to showcase your expertise / technical skills required for the role.

Case study Interview - You will present the case study to showcase your product expertise. This usually takes 60 minutes.

Stakeholder Interview - run by relevant stakeholders reflecting the reality of the context of the role, focus on the ability to collaborate & deliver in a cross-functional set-up. This usually takes 60 minutes.

Culture Interview - run by culture interviewers, focus on adherence to Wallapop's purpose and business proposition. This usually takes 60 minutes.

Offer - should you be the right candidate, your offer will be discussed over a call with talent acquisition and will then be confirmed in writing.