Leadtech is seeking a Product Designer specializing in conversion rate optimization to craft paywalls, onboarding flows and subscription experiences across multiple apps. You will collaborate with Product Owners and cross-functional teams to test, iterate and maximize conversions without compromising user experience.The role emphasizes mobile-first design, design systems, and AI-assisted workflows to accelerate UX research and variant generation across Barcelona-based projects.#J-18808-Ljbffr