Java Developer (React) (Marzán)

We are searching for a Java Developer with at least 5 years of experience in software development, especially with Java 21 or recent versions of the Java ecosystem, as well as knowledge of React, for a prestigious German automotive brand.

Responsibilities

• Design, develop, and maintain scalable, high‑performance backend applications using Java 21.
• Participate in technical design and the definition of microservices‑based architectures.
• Implement and evolve RESTful APIs for integration with internal and external systems.
• Design, optimize, and maintain data models in PostgreSQL, ensuring performance and scalability.
• Apply Clean Code principles, SOLID principles, design patterns, and software development best practices.
• Conduct code reviews, promoting quality standards and best practices within the team.
• Experience with HTML, CSS, and JavaScript.
• Knowledge of component libraries such as Material UI.
• Familiarity with state management libraries such as Redux.
• Collaborate with architects, Product Owners, QA, and other technical teams to define robust solutions aligned with business objectives.
• Participate in defining observability, monitoring, and application performance strategies.
• Identify and resolve complex issues in production environments.
• Contribute to the continuous improvement of development processes, tools, and standards.
• Participate in mentoring activities and provide technical support to less experienced developers.

Requirements

• Java 21 or recent versions of the Java ecosystem.
• Frontend development with React.
• Experience with Quarkus, Spring Boot, Spring Framework, Spring Data JPA / Hibernate.
• Experience with microservices architectures.
• Proficiency in Git, PostgreSQL, REST APIs, Maven / Gradle.
• Knowledge of API integration (Axios, Fetch, etc.) and Material UI.
• Nice to have: Docker, Kubernetes, cloud platforms (AWS, Azure, or GCP), Kafka, RabbitMQ.
• Test‑driven development with JUnit 5, Mockito.
• CI/CD experience with Jenkins, GitHub Actions, GitLab CI.
• Observability and monitoring tools: ELK Stack, Prometheus, Grafana, OpenTelemetry.
• English C1 level.

Conditions

• Versatile schedule and intensive timetable on Fridays.
• Full Remote - Spain.
• Indefinite contract with Capitole.
• Competitive salary based on your experience.
• Stable project, professional growth, and a great team.
• Monthly check‑ins with your team and a defined career path.

Benefits

• Annual budget of 1,200 euros for individual training.
• Private health insurance fully paid for by Capitole.
• Flexible compensation through the Payflow platform.
• Wide range of fitness options with Wellhub (Gympass).
• Team building events every month and a half or two months. xhfqzwm

Security Policies

• They will have access to confidential information regarding Capitole and the project they are working on.
• They must comply with security policies and the internal policies of both the company and the client.
• They must sign an NDA.

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