We are looking for a Senior AI Full Stack Developer to join a global team responsible for the end-to-end ownership of a worldwide B2B platform. In 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.
What you'll do
~ Design, develop, and maintain enterprise‑grade Full Stack applications supporting a general B2B platform
~ Build modern frontend applications using React and Next.js
~ Develop scalable backend services and REST APIs using Node.js and/or Java Spring Boot
~ Build and deploy cloud-native applications using AWS
~ Collaborate with multiple engineering teams working on shared codebases
~ Deliver high-quality software following clean architecture and software engineering best practices
~ Optimize application performance, scalability, security, and reliability




~ Implement unit, integration, UI, and automated testing strategies
~ Contribute to CI/CD pipelines and modern DevOps practices
~ Participate in Agile/Scrum ceremonies and cross-functional product teams
~ Collaborate with architects, product managers, UX designers, QA engineers, and international stakeholders
~ Contribute to technical decisions, code reviews, mentoring, and engineering best practices
~5+ years of experience as a Full Stack Software Engineer
~ Strong experience with React and/or Next.js
~ Experience developing backend applications using Node.js and/or Java Spring Boot
~ Experience designing and integrating REST APIs
~ Hands‑on experience building applications on AWS
~ Experience working with shared repositories using GitHub
~ Experience with CI/CD pipelines
~ Experience implementing unit, integration, UI, and automated testing
~ Experience working in Agile/Scrum environments
~ Stro

📌 Senior Full Stack Developer (España)
🏢 Capitole
📍 España