> Markdown version of [/jobs/ext/2914421-senior-java-kafka-microservices-engineer](https://www.wearedevelopers.com/jobs/ext/2914421-senior-java-kafka-microservices-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java & Kafka Microservices Engineer - **Company:** UST EspaƱa - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Code Review, Spring Framework, Spring-boot, Event Driven Architecture, Apache Kafka, Microservices - **Published:** September 15, 2026 - **Apply:** https://www.buscojobs.com.es/senior-java-kafka-microservices-engineer-en-madrid-ID-371733771 ## About the Role UST is seeking a Senior Developer (Java & Kafka) to join an exciting international project in a highly collaborative Agile environment. The candidate will design, develop, and maintain scalable microservices and event-driven architectures using Java 8+ and Spring Boot, while participating in code reviews and continuous improvement initiatives. The role requires strong experience with Kafka, Java, Spring, and microservices, plus fluency in English and willingness to be on rotation for on-call. #J-*****-Ljbffr ## Description UST is seeking a Senior Developer (Java & Kafka) to join an exciting international project in a highly collaborative Agile environment.The candidate will design, develop, and maintain scalable microservices and event-driven architectures using Java 8+ and Spring Boot, while participating in code reviews and continuous improvement initiatives.The role requires strong experience with Kafka, Java, Spring, and microservices, plus fluency in English and willingness to be on rotation for on-call.#J-*****-Ljbffr