> Markdown version of [/jobs/ext/2758613-software-engineer-java-trading](https://www.wearedevelopers.com/jobs/ext/2758613-software-engineer-java-trading). 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). --- # Software Engineer - Java - Trading - **Company:** ConSol Partners - **Location:** Arbo, Spain - **Salary:** €62,400.0 - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Cloud Engineering, Code Review, Databases, Distributed Systems, Protocol Buffers, Spring Framework, Rxjava, Cloud Platform System, Spring-boot, Backend, Event Driven Architecture, Apache Kafka, Serverless Computing, Microservices - **Published:** September 6, 2026 - **Apply:** https://www.buscojobs.com.es/software-engineer-java-trading-en-arbo-ID-369575503 ## About the Role ~8+ years of professional Java development experience ~3+ years working with Java 17 or Java 21 ~ Spring Framework / Spring Boot ~ Production-grade backend services ~ Microservices architecture If you are a passionate and dedicated IT Professional looking to join a dynamic and innovative organization, we encourage you to apply. ## Description Senior Java Engineer (Java *****) | Remote/HybridLocation: SpainContract Type: 1 year + ExtensionHourly Rate: €30We are looking for an experienced Senior Java Engineer to join a talented engineering team building scalable, resilient, and high-throughput backend services.This is an opportunity to work with modern Java technologies, event-driven architectures, cloud-native platforms, and cutting-edge distributed systemsKey Responsibilities:Designing and developing high-performance microservices using Java ***** and Spring Boot .Building and maintaining distributed systems leveraging gRPC , Protobuf , and event-driven architectures.Developing reactive and asynchronous applications using Project Reactor , RxJava , or modern Java concurrency frameworks.Creating scalable integrations with Kafka , databases, and cloud-native services.Driving engineering excellence through robust testing, code reviews, design documentation, and technical leadership.Collaborating across teams to deliver secure, reliable, and maintainable solutions.Contributing to architecture decisions, system design reviews, and continuous improvement initiatives.Experience:~8+ years of professional Java development experience~3+ years working with Java 17 or Java 21~ Spring Framework / Spring Boot~ Production-grade backend services~ Microservices architectureIf you are a passionate and dedicated IT Professional looking to join a dynamic and innovative organization, we encourage you to apply.