> Markdown version of [/jobs/ext/1306679-java-software-engineer](https://www.wearedevelopers.com/jobs/ext/1306679-java-software-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). --- # Java Software Engineer - **Company:** NTT Ltd. - **Location:** Barcelona, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Agile Methodology, Amazon Web Services, Microsoft Azure, Cloud Computing, Continuous Integration, Relational Databases, Hibernate (Java), Java Persistence API, Junit, PostgreSQL, Enterprise Messaging Systems, OpenShift, Scrum Methodology, Reference Data, Mockito, Software Deployment, Software Engineering, Data Processing, Apache Spark, Spring-boot, Backend, Spring Data, AngularJS, Kubernetes, Apache Kafka, Front End Software Development, Docker, Microservices - **Published:** July 17, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role core Java development: 5+ years of hands-on experience with Java 8/11+, Spring Boot, and microservices architecture. familiarity with newer Java versions (e.g., Java 17/21) is a plus. basic knowledge of Apache Spark for data processing is beneficial but not required. cloud & data fundamentals: experience deploying applications on cloud platforms (Azure/OpenShift or AWS) using Docker, as well as basic Kubernetes knowledge. strong understanding of relational databases (PostgreSQL, Spring Data/JPA/Hibernate) and messaging systems such as Apache Kafka. full-stack awareness: strong back-end engineering skills with optional experience in front-end frameworks (e.g., Angular). proficiency in writing unit and integration tests (JUnit, Mockito) and applying software best practices including CI/CD and clean code principles. ## Description Are you ready to apply your engineering expertise to one of the world's most advanced, innovative, and reliable stock exchanges? At SIX, we value your technical talent and your passion for building exceptional solutions with a strong focus on user experience. As part of the Stock Exchange Development team, you will contribute to both front-end and back-end components of our state-of-the-art trading products. In this Software Engineer role. What You Will Do apply your strong Java development skills (Java 8+/11) to build high-performance backend systems and enhance our Reference Data Managem translate user expectations and business requirements into innovative, high-quality technical designs, following Java best practices to deliver impactful solutions. ent system. ensure full compliance with internal policies and external regulatory requirements, maintaining the highest levels of security and reliability. collaborate effectively within an interdisciplinary Agile team, including developers, testers, product owners, and business stakeholders, working with frameworks such as SCRUM and SAFe. ## Related Videos - [Beam Me Up, Java! Unraveling the Warp-Speed Evolution: A Journey through Java LTS Versions 11 to 21](https://www.wearedevelopers.com/videos/658-beam-me-up-java-unraveling-the-warp-speed-evolution-a-journey-through-java-lts-versions-11-to-21) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)