ppWe are looking for a bSenior AI Full Stack Developer /b to join a global team responsible for the end-to-end ownership of a worldwide B2B platform. /ppIn this role, you will design, build, and maintain high-performance, scalable, and secure web applications that support business-critical digital commerce solutions. You will collaborate with international engineering teams, contributing to a modern cloud-native architecture while ensuring excellent user experience, reliability, compliance, and operational efficiency. /ph3What you'll do /h3ulliDesign, develop, and maintain enterprise‑grade Full Stack applications supporting a global B2B platform /liliBuild modern frontend applications using bReact /b and bNext.js /b /liliDevelop scalable backend services and REST APIs using bNode.js /b and/or bJava Spring Boot /b /liliBuild and deploy cloud-native applications using bAWS /b /liliCollaborate with multiple engineering teams working on shared codebases /liliDeliver high-quality software following clean architecture and software engineering best practices /liliOptimize application performance, scalability, security, and reliability /liliImplement unit, integration, UI, and automated testing strategies /liliContribute to CI/CD pipelines and modern DevOps practices /liliParticipate in Agile/Scrum ceremonies and cross-functional product teams /liliCollaborate with architects, product managers, UX designers, QA engineers, and international stakeholders /liliContribute to technical decisions, code reviews, mentoring,



and engineering best practices /lili5+ years of experience as a Full Stack Software Engineer /liliStrong experience with bReact /b and/or bNext.js /b /liliExperience developing backend applications using bNode.js /b and/or bJava Spring Boot /b /liliExperience designing and integrating bREST APIs /b /liliHands‑on experience building applications on bAWS /b /liliExperience working with shared repositories using bGitHub /b /liliExperience with CI/CD pipelines /liliExperience implementing unit, integration, UI, and automated testing /liliExperience working in Agile/Scrum environments /liliStrong software engineering fundamentals, problem‑solving skills, and collaborative mindset /liliExperience integrating bLLMs /b, bGenerative AI /b, bRAG /b, or bAgentic AI /b into web applications /liliExperience with data pipelines and AI-enabled backend services /liliFamiliarity with AI development tools such as bCursor /b or bClaude /b /li /ulh3What we offer /h3ulliHybrid model — b3 days onsite in Barcelona /b /liliInternational environment with integral engineering teams /liliOpportunity to work on a global B2B platform used worldwide /liliPeople-first culture with an inclusive and collaborative environment /liliWork on enterprise‑scale digital commerce solutions with modern technologies /liliBuild cloud-native applications on AWS /liliOpportunity to contribute to AI-enabled software initiatives /lili€1,200 annual training budget /liliWellhub: fitness, wellness, and mental health support /liliCompany-sponsored football and paddle teams /liliTeam buildings, technical communities, and international events /li /ulpWe know that not every candidate will meet 100% of the requirements. If your experience is close and you're excited about the opportunity, we'd love to hear from you! /ppbInformation Security Notice /b /pulliThe employee will have access to confidential information related to Capitole and the assigned project. /liliCompliance with internal security and information protection policies is mandatory. /li /ul /p #J-18808-Ljbffr

📌 Senior AI Full Stack Developer (Barcelona)
🏢 Capitole
📍 Barcelona