Akens Nordburg is seeking for a German IT-solutions company highly skilled and experienced Java Develper (m/f) to enlarge the Spanish based Team and contribute to the design and development of modern, reactive, and event-driven backend systems. You will work with a cloud-native technology stack, focusing on scalability, performance, and reliability, while collaborating closely with cross-functional teams.

Location: 100% remote from Spain

RESPONSIBILITIES:

- Design, develop, and maintain backend services using Java and Spring Boot
- Build reactive applications using Spring WebFlux
- Implement and integrate event-driven architectures using Kafka
- Develop real-time integrations via WebSocket and reactive messaging
- Integrate databases using PostgreSQL , Hibernate , JDBC , and R2DBC
- Implement Kafka integrations with Spring Cloud Stream
- Contribute to containerized and cloud-native deployments
- Ensure high code quality through clean code practices, testing, and reviews
- Collaborate in CI/CD pipelines and infrastructure automation workflows
- Work closely with product, architecture, and DevOps teams

REQUIREMENTS:

- University degree in one of the following fields: science, mathematics, computer science, or engineering
- Extensive experience with Spring Boot ,



including deep knowledge of frameworks and starters such as: Spring WebFlux (reactive programming), Reactive Kafka Streaming , WebSocket and Kafka Reactive Binder
- Strong expertise in database integration , especially with PostgreSQL
- Experience with ORM technologies (e.G. Hibernate)
- Solid knowledge of JDBC and R2DBC for reactive data processing
- Proven experience with event-driven architectures , including Kafka as a message broker
- Hands-on experience integrating Kafka with Spring Boot (e.G. via Spring Cloud Stream)
- Experience with containerized and cloud-native deployments
- Knowledge of Kubernetes , CI/CD pipelines , and Terraform for infrastructure automation
- Ability to work in a modern reactive technology stack and deliver clean, scalable, and reliable solutions
- Strong attention to detail and commitment to high-quality software
- Excellent communication and interpersonal skills

NICE-TO-HAVE REQUIREMENTS

- Knowledge of time-series data processing
- Experience with time-series databases

BENEFITS:

- Opportunities to professional growth and development
- Adaptable work arrangements. 100% remote
- Dynamic and collaborative work environment

📌 Java Software Engineer (Sevilla)
🏢 Akensnordburg
📍 Sevilla