Top Tech Jobs & Startup Jobs in Barcelona

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.

Own Maze’s recruitment and participant management product vision, roadmap, and experiences across research study types. Improve participant quality, fulfillment, filtering, feedback loops, and customer recruitment workflows. Partner with Panel Operations, Engineering, Design, GTM, Customer Success, research partners, and external panel providers to scale supply, integrations, and operational efficiency. Define success metrics and balance customer needs, business goals, operational realities, and technical constraints.

Supports pre-sales activities for geospatial software serving telecommunications and utility customers. Responsibilities include qualifying opportunities, conducting product demonstrations, defining solution architectures, responding to RFPs, gathering requirements, delivering consultative presentations, supporting channel partners, and communicating customer feedback to product management. The role requires strong GIS and telco or utility industry knowledge, excellent communication skills, fluency in Spanish and English, and travel to offices or client sites as needed.

Leads national and global advocacy campaigns in Switzerland, including research, strategy, copywriting, translation, supporter mobilization, coalition building, media engagement, public speaking, petition management, and offline events. Monitors political developments, coordinates German-language materials, supports digital communications and AI-assisted content creation, manages campaign operations and staff, and represents CitizenGO publicly. The role is remote with flexible hours but requires monthly travel for in-person events.

Own Cracken’s external voice and marketing presence across social media, blog, website, media, and events. Create credible technical content translating cybersecurity research, product capabilities, and engineering work into accessible messaging. Execute content and media plans, build relationships with press and communities, identify PR opportunities, collaborate with cross-functional teams, track performance, and optimize marketing activities. The role requires strong cybersecurity knowledge, technical writing, social media growth experience, and hands-on use of AI marketing tools.

Develop and maintain scalable frontend web applications and data visualization platforms using React, Redux Toolkit, and Vite. Collaborate with cross-functional teams, implement features, write tests, conduct code reviews, troubleshoot issues, and support RESTful APIs. Contribute to agile processes, accessibility, user experience improvements, and continuous development while using AI tooling responsibly and staying current with modern web technologies.

Design, implement, and test cloud-based server-side software in Python. Optimize code performance, maintain unit and integration tests, and work with AWS, Docker, DevOps, and CI/CD tools. Preferred experience includes reverse engineering public APIs, PostgreSQL, Django ORM and DRF, network protocols, and web or mobile technologies.

Own product vision and strategy for an insurance-focused product area, determine what gets built, and lead product engineers. Responsibilities include shaping six-week cycles, simplifying insurer onboarding and benefits workflows, translating compliance and underwriting rules into user flows, collaborating across business functions, and adapting product areas as the company expands into new markets.

Leads business development and sales capture across Europe for satellite intelligence solutions. Develops sales strategies, proposals, negotiations, forecasts, market expansion, and customer penetration initiatives targeting defense and intelligence agencies, commercial customers, systems integrators, and prime contractors. The role requires extensive international defense, intelligence, geospatial, or satellite market experience, strong technical and government sales expertise, and frequent travel.