Top Remote Jobs in Barcelona

Lead end-to-end ML work: define product problems as ML tasks, prototype and ship models (ranking, retrieval, LLM agents), build evaluation and monitoring, and measure marketplace impact (bookings, retention, GMV). Collaborate with engineering, product, and growth to deploy production models and improve LLM reliability.

Build and maintain full-stack product features for Assessments, Interviews, and Learn. Drive identity and authentication systems, write clean maintainable code, perform code reviews, collaborate cross-functionally, and lead technical design discussions to deliver business-impacting features.

Lead architecture and implementation of scalable, secure backend services and APIs for a global crypto payments network. Drive technical decisions, mentor engineers, collaborate with product and design, optimize performance, and champion infrastructure-as-code, DevSecOps, and security best practices across services deployed on Azure and Kubernetes.

Lead procurement strategy and execution, manage vendor negotiations and contract lifecycle, run RFP/RFI and deal processes, partner with product and engineering to design AI-enabled procurement solutions, support sales and client engagement, and own cross-functional workstreams and vendor onboarding.

The role focuses on leading product safety and quality initiatives within supply chains, collaborating cross-functionally while providing expertise and thought leadership in compliance and sustainability.

Aisle seeks a Wild Card candidate who can contribute to AI and cybersecurity innovation, vulnerability remediation, or organizational culture. Excellent track record required.

The role involves designing and building AI-focused research tools, optimizing performance, engaging with customers, and scaling product features quickly.

Lead mixed-methods UX and product research across Product, Design, and Growth. Plan and run qualitative and mixed-methods studies, coach designers, improve research ops, democratize insights, and embed research into product decision-making.

Lead the vision and roadmap for Universal KYC and MetaMask Passport. Build a reusable identity platform, design low-friction KYC flows, partner cross-functionally to drive adoption, and deliver measurable outcomes balancing privacy, trust, and global compliance.

Lead editorial strategy and create technical content (whitepapers, blogs, datasheets, video scripts) to educate and convert technical audiences. Present at conferences, support ABM, analyze content performance, and collaborate with Marketing, Product, R&D, and Sales.