Top Tech Jobs & Startup Jobs in Barcelona

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 end-to-end annotation projects: define workflows, coordinate teams (annotators, reviewers, experts), track progress and quality via dashboards, manage launches and phase transitions, pilot tooling and methodology improvements, and build scalable operational systems and documentation to support annotator community and cross-functional alignment.

Open application inviting candidates for future roles. Applicants complete screening questions and tests without AI assistance. Applications reviewed monthly; candidates contacted if a suitable role arises.

Design, implement, test and optimize electrical and control systems for AI datacenter products. Develop PLC control logic and embedded C software, produce electrical schematics and BOMs for mass production, ensure regulatory compliance, maintain documentation, and provide diagnostics/support to minimize downtime. Collaborate across NPI, QA and manufacturing teams to industrialize products and improve cost and reliability.

Design, implement, and operate a cloud-native platform: build and maintain Kubernetes clusters and custom operators, write production Go code for platform services and automation, optimize multi-cloud infrastructure for cost and reliability, improve observability and CI/CD/IaC automation, support incident response and system hardening, and collaborate with engineering teams to improve developer experience and reliability at scale.

Client-facing growth role supporting enterprise GTM: identify and research accounts, run outbound prospecting, support demos/RFPs, join pursuit teams, and contribute to market research and event activities. Designed for early-career or post-MBA candidates to learn enterprise AI and supply chain while progressing into AE, presales, or ops roles.

Manage travel and lifestyle requests for Premium Card Members, ensuring high customer satisfaction. Provides solutions in a fast-paced, international environment during evening shifts.

The Senior Back End Engineer will lead the development of a Sportsbook platform, design software solutions, improve system performance, and manage the development lifecycle.

Design, implement, and maintain high-quality C++ software; develop elegant, efficient algorithms; solve complex technical problems independently; collaborate with a distributed team and contribute features when ready.

Generate high-quality outbound sales opportunities for BDMs within target accounts via cold calls, email, social and video prospecting. Qualify and guide leads through early sales stages, book meetings, conduct market research, and creatively engage ideal customer profiles.