Jobs at Wallapop

The Senior Product Designer will lead design initiatives, collaborate with cross-functional teams, create user-friendly products, and mentor other designers.

Lead a cross-functional team to define and execute the product roadmap, prioritize initiatives, collaborate with engineering, data science, design and operations, ensure product quality across platforms, analyze market and user feedback, monitor product performance, iterate to improve user experience and drive business growth.

Support month-end close and P&L ownership, perform trend and variance analysis, build dashboards and forecasts, provide ad-hoc financial modeling, and partner with cross-functional stakeholders to inform business decisions.

Lead and coach an engineering topic team to deliver high-quality software on predictable schedules. Improve processes, provide vision and feedback, run one-on-ones and performance reviews, support career growth, participate in hiring/onboarding, and foster effective team communication and technical culture.

Partner with business leaders to drive organizational design, change management, talent growth, performance frameworks, people analytics, compensation governance, and cross-functional People projects to scale teams and support strategic business goals.

Own and execute the companys internal events and travel roadmap: plan and run corporate events, team offsites and travel logistics; manage vendors, budgets, and travel policies; ensure accessibility and inclusive experiences; coordinate internal communications, swag and on-site operations; and provide occasional EA support during peak periods.

As a Senior ML Engineer, you'll enhance the ML Platform, support data scientists with tooling for model deployment, ensure engineering best practices, and modernize the stack with new frameworks and tools.

Lead and execute quantitative and qualitative brand research, synthesize insights to inform brand strategy, collaborate cross-functionally, present findings to stakeholders, and monitor market and competitor activity to drive growth.

Lead design and implementation of data infrastructure and pipelines, integrate data sources, evaluate analytics tools, build interactive dashboards, provide technical leadership and mentorship, document analytics processes, and collaborate with cross-functional teams to deliver scalable data-driven solutions.

Lead Wallapop's experimentation practice: define standards and roadmap, introduce advanced statistical methods (CUPED, sequential testing, quasi-experimental designs), coach product teams on hypothesis and design, build training and playbooks, partner on platform/tooling and exposure logging, and design experiments for search, recommendations, personalization, marketplace dynamics, monetization, and trust & safety.

18-month rotational full-stack graduate program building production features across Backend (Kotlin/Java), Frontend (React/Angular), and Mobile (iOS or Android). Work in agile teams with strong mentorship, use AI developer tooling, participate in planning/code reviews, and take ownership of delivered features. Permanent contract from day one; Barcelona-based hybrid role with real production responsibilities.