Java/React Developer

Summary

Join Dropsolid, a company building AI-powered open digital experiences, as a Java/React developer. You will develop and maintain backend services using Java (Spring Boot, REST APIs) and build responsive frontends with ReactJS. The role involves working on federal open-source architectures, supporting EU institution tenders, and collaborating with a team of designers and engineers. You will contribute to open-source initiatives and work on secure, scalable digital platforms. This is a fully remote position within Spain or Portugal, offering flexible hours and a healthy work-life balance. The opportunity to work on large-scale European projects is also available.

Requirements

• 3+ years of professional experience in Java (Spring Boot)
• 2+ years of experience with ReactJS and frontend tooling (Webpack, Redux, etc.)
• Comfortable working with REST APIs and microservices
• Experience with Git, CI/CD, and containerized environments (Docker/K8s is a plus)
• Interest in open-source development and ethical tech
• Fluent in English (B2 or higher)
• EU work permit required

Responsibilities

• Develop and maintain backend services in Java (Spring Boot, REST APIs)
• Build clean, responsive and accessible frontends using ReactJS
• Work on federal open-source architectures (e.g. integrating with Drupal or Mautic-based platforms)
• Support tender-based delivery for EU institutions
• Collaborate with UX designers, architects and devops engineers
• Contribute to open-source initiatives where possible

Preferred Qualifications

• Experience with Drupal, Mautic or other open CMS/marketing platforms
• Familiarity with public sector delivery standards or EU projects
• Portuguese or Spanish language skills
• Located near Bilbao, Madrid, Lisbon or Porto (not mandatory)

Benefits

• Fully remote position within Spain or Portugal
• Work with a purpose: help build sovereign, ethical, open digital experiences
• Join a highly skilled team of engineers, architect and open-source contributors
• Flexible hours and a healthy work-life balance
• Opportunity to work on long-term, large-scale European projects
• Competitive daily rate or salary (depending on freelance or employment model)