Overview
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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 xqbhyrx 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 non-relational databases
Ability to own outcomes and debug effectively under limited process
Willingness to engage across team boundaries and iterate on solutions
Accountable and proactive work style
Collaborative and cross-functional teamwork
Curiosity about runtime behavior and reactive programming concepts
Java
Spring (IoC, MVC, WebFlux, Data)
R2DBC

📌 Java Developer (Barcelona)
🏢 Marfeel
📍 Barcelona