Top Tech Jobs & Startup Jobs in Barcelona

Troubleshoot customer AI infrastructure issues across Linux and Kubernetes, diagnose GPU and cluster failures, participate in 24/7 incident response, coordinate provider resolutions, and communicate clearly with customers. Build Python or Bash automation, monitoring, dashboards, alerts, runbooks, and documentation to prevent recurring problems. Experience with NVIDIA GPUs, HPC networking, schedulers, observability tools, and infrastructure-as-code is advantageous but not required.

Evaluate and compare responses from AI models across varied prompts. Assess accuracy, helpfulness, instruction-following, clarity, and overall quality using detailed rubrics and multi-step workflows. Write clear explanations supporting evaluation decisions and apply criteria consistently. The role requires English fluency, strong writing and analytical judgment, attention to detail, complex-instruction comprehension, and extensive hands-on LLM experience.

Own enterprise sales strategy for CoLab’s largest European accounts, closing $200K–$2M+ SaaS contracts with large engineering organizations. Responsibilities include consultative discovery, solution selling, stakeholder relationship management, proposal development, negotiation, pipeline forecasting, account planning, expansions, and renewals. The role collaborates with Customer Success, Product, Marketing, and Sales Development teams and requires occasional travel to Newfoundland and other off-site locations.

Develops original and transcreated Spanish copy for social media, SEM, display advertising, product naming, and other brand touchpoints. The role applies brand voice, translates strategy into creative concepts, presents work to stakeholders in English, collaborates with localization and marketing teams, and supports voiceover recording and mixing. Requires agency experience, a strong portfolio, native-level Spanish, excellent English, and at least five years of copywriting experience.

Develop innovative industrial and product design concepts across Samsung product categories, integrating AI-enabled experiences, interaction design, and emerging technologies. Responsibilities include research translation, sketching, 3D CAD, prototyping, visualization, materials and CMF development, storytelling, presentations, and collaboration with UX, engineering, technology, and business teams. The role requires strong hands-on execution from early concepts through refined product proposals, using tools such as Rhino, Adobe Creative Suite, KeyShot, and AI-assisted workflows.

Develop frontend interfaces and A/B experiments for a health-focused AI product using Vue 3, TypeScript, and Vite. Improve design systems and AI-assisted development workflows, own features from concept through production, collaborate across engineering, design, product, and analytics, and optimize performance, reliability, and development velocity using user data and experimentation results.

Manage client relationships for a B2B SaaS platform, helping customers align their goals with Insider One’s products and maximize technology adoption. Develop account plans, monitor customer success, resolve escalated issues, collaborate with engineering and product teams, gather market feedback, and maintain trusted advisor relationships. The role requires strong English and Italian communication skills, customer-facing experience, project management abilities, and comfort working in a fast-paced startup environment.

Leads and grows Jensen Hughes’ UK and Ireland process safety capability. Provides technical and commercial leadership across process safety, fire engineering, and industrial risk management; advises on hazard analysis, gas detection, dispersion modelling, safety engineering, ageing assets, hydrogen, and battery storage. Builds senior client relationships, develops proposals and profitable workstreams, represents the firm in industry forums, and mentors multidisciplinary technical teams.

Owns OT standards, architectures, cybersecurity, commissioning, documentation, change management, incident escalation, vendor governance and resilience across AI data-center facilities. The role provides technical authority for BMS, EPMS, SCADA, PLC and DCIM systems, supports new-site design and handover, ensures consistent multi-site operations, and improves alarm management, energy efficiency, automation and team capability.

Supports the creative team by researching social content, maintaining hook and inspiration libraries, structuring briefs, developing creative hypotheses, reviewing performance data, and assisting with scripts, captions, assets, and documentation. The role focuses on improving creative quality and iteration for performance marketing campaigns across client accounts.