Java Developer | Remote in Spain - Sngular

In this Java-focused role, you will build clean, scalable software within a collaborative team that values people and growth. You’ll work with modern Java technologies and Spring ecosystems to deliver high-quality solutions for clients. You’ll engage in agile practices, contribute to architectural decisions, and help advance AI-powered features. This position offers remote Spain work, ongoing training, and opportunities to mentor teammates and shape delivery.

• Language classes
• Budget for training
• Welcome pack
• Wellbeing pack
• Flexible compensation
• 2 days for technical events

• Hands-on work with the Spring ecosystem (Spring Boot, Spring Data, Spring Cloud)
• Developing software with modern engineering approaches and agile methodologies
• Participating in daily team activities and contributing to decision-making
• Collaborating with other areas and growing teammates
• Researching and promoting generative AI tools to optimize workflows and delivery cycles
• Designing, building, and consuming robust REST APIs using Spec-Driven Development
• Implementing systems with microservices and hexagonal architecture and integrating vector databases for AI contexts
• Working with SQL, PostgreSQL, MongoDB; using Kafka and RabbitMQ for messaging
• Testing own developments using JUnit, Mockito, AssertJ, Karate
• Communicating effectively in English

• Java 8+
• Spring Boot (expert/advanced)
• Apache Kafka (advanced)
• Java 17/21 experience
• SQL, PostgreSQL, MongoDB
• Kafka and RabbitMQ messaging
• DDD, Event-Driven Architecture, MVC patterns
• JUnit, Mockito, AssertJ, Karate testing
• English communication skills
• Experience with microservices and hexagonal architecture
• REST API design and Spec-Driven Development
• AI frameworks and agent integration familiarity

• team player
• advocate for best practices
• effective communication
• Spring Boot
• Spring Data
• Spring Cloud