Java Software Engineer (100% remote)

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
• Experience (3-5 years) 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
• Long term labor contract
• Flexible work arrangements. 100% remote
• Dynamic and collaborative work environment