Top Tech Jobs & Startup Jobs in Valencia

Freelance Senior Data Solution Engineer responsible for delivering approximately two custom client data projects monthly. Duties include qualifying requirements, analyzing large datasets with Python and SQL, building dashboards and predictive models, developing business recommendations, presenting findings to clients, documenting projects, and sharing insights with Product. The role requires fluent Spanish and English, freelance status, and availability for a full-time four-to-five-month mission based in Barcelona or Madrid.

Lead the technical vision, architecture, and delivery of high-performance frontend applications, including real-time 2D/3D geospatial visualizations. Build and optimize WebGL rendering pipelines, integrate REST APIs and complex spatial datasets, establish coding and testing standards, troubleshoot performance issues, and mentor frontend engineers. Collaborate with product and executive stakeholders, guide multi-team initiatives, document technical solutions, and oversee software rollouts and improvements.

Lead a product area end-to-end: define roadmap, run discovery, set OKRs, prioritise from customer insights, manage dependencies, partner with engineering and design, and build a 12–18 month AI-first product vision to deliver measurable outcomes.

Leads Masabi’s international bids function, managing tenders from qualification through submission, clarifications, and award. Owns pricing and commercial strategy, bid governance, risk recommendations, resourcing, and cross-functional coordination across business development, product, engineering, services, legal, and finance. Builds the bids function’s people, processes, content, tooling, and AI capabilities while coaching the team and improving win rates.

Build and manage strategic client relationships for AI and data projects, serving as the primary stakeholder contact and coordinating internal delivery teams. Define project scope, staffing, pricing, timelines, budgets, and success criteria; manage risks and changes; identify account expansion and renewal opportunities; and lead performance reviews. The role combines project management, strategic consulting, commercial analysis, forecasting, and client advisory responsibilities to support retention, satisfaction, and profitable revenue growth.

As a Full Stack Engineer, you will own the complete stack from UI to API, ensuring high-quality feature development and exceptional user experiences at a fast-paced startup.

Own one or more customer accounts through post-sales deployment and ongoing management of Brainbase’s agent infrastructure. Embed with EMEA customers to deliver outcome-oriented implementations, configure secure agent deployments, and support customers from initial rollout through continued use. The role is fully remote across Europe, the Middle East, and Africa, with occasional travel to customer sites.