Overview In this Java Developer role you will help build and evolve the backend powering a publishing intelligence platform used by publishers worldwide. You will own end-to-end backend features, from design to production, delivering high-performance services at scale. You’ll work with modern Java/Spring tech, microservices, and AI-assisted coding tools to accelerate delivery. The role combines hands-on development with technical decision-making in a collaborative, agile environment. You’ll join a mission-driven team focused on enabling editors, SEO, and revenue teams to turn data into action. Compensaciones / Beneficios * adaptable work arrangements (remote, hybrid, or BCN office) * subsidized health insurance for you and your partner/family * Wellhub health network access * transport, restaurant, and kindergarten tickets (Cobee) * language classes (English/Spanish) * training platforms and courses Responsabilidades * Develop high-concurrency backend services affecting millions of users * Own backend features end-to-end: design, build, deploy, operate,



and fix in production * Work with modern Java and Spring ecosystems (Spring IoC, MVC, WebFlux, Data, R2DBC) and related tech (Project Reactor, Vert.x, Docker, Kubernetes, microservices) * Contribute to automated CI/CD with Jenkins and instrument deployments * Leverage AI coding tools (Claude Code) as a core part of your workflow and build tooling to improve effectiveness * Participate in agile weekly sprints with emphasis on quality and performance * Influence technical decisions and collaborate beyond the backend when needed * Join a skilled, collaborative team where your input is valued Requisitos principales * Deep knowledge of Java and parallel code execution * Strong experience with Spring IoC, Spring MVC, Spring WebFlux, Spring Data, and R2DBC * Solid understanding of web technology stack and building scalable software * OO principles, design patterns, and clean code practices * Experience with relational and/or

📌 Java Developer (Barcelona)
🏢 Marfeel
📍 Barcelona