Top Tech Jobs & Startup Jobs in Barcelona

Lead a squad owning a backend domain: stay hands-on with code and architecture, drive roadmap execution and sprint planning, own production health and incident response, triage customer issues, manage and onboard engineers, and improve squad processes and engineering excellence.

Design and implement execution primitives for AI/agent workflows in Kestra's Java core, build and maintain plugins to connect LLM providers and agent frameworks, convert agent use cases into reusable blueprints with product, and ensure AI executions are observable, debuggable, correct, and reliable.

Serve as the trusted technical partner for Enterprise customers: support pre-sales technical discovery, design integrations and scalable workflows, lead implementations, optimize post‑go‑live setups, troubleshoot complex issues, advise on best practices, and manage multi‑stakeholder relationships to drive adoption and value.

The Technical Support Engineer will aid top customers by debugging issues, providing architecture guidance, handling incidents, and creating documentation. Strong technical and customer-facing skills are necessary.

The Marketing Communications Sr Specialist will drive marketing strategies, manage campaigns across multiple channels, develop engaging content, and enhance brand presence in the EMEA agricultural sectors.

The Product Certification Auditor will conduct audits for antimicrobial resistance, prepare reports, manage client accounts, and ensure compliance in the pharmaceutical industry.

Design, build, and run production agentic workflows and reusable components for delivery processes. Implement RAG-backed knowledge bases, monitoring, evals, observability, and human-in-the-loop feedback to improve agents and integrate them with delivery teams and business tools.

As the first designer at turbopuffer, you'll own designs for products, web, and marketing, ensuring a mix of whimsy and professionalism across all surfaces.

Early-career Data Analyst responsible for designing and owning core metrics and dashboards, analyzing transaction/customer/credit data to inform credit, fraud, AML, portfolio and growth decisions, building data pipelines and automations with SQL and Python, partnering with cross-functional teams, and owning compliance reporting. Emphasis on turning ambiguous problems into reliable analytical systems and applying GenAI/LLMs for practical automation.

Lead market expansion into defense and government sectors across Europe and ROW. Own end-to-end capture and closing of complex government and defense contracts, build strategic partnerships, identify and penetrate new DoD/federal market segments, and translate government requirements into actionable product feedback for engineering and product teams.