Full Stack Java Developer
Full stack Java developer at SIX designing and building high-performance Java applications for trading platforms. Daily work spans Spring Boot backends, SQL/Hibernate databases, Kafka event messaging, and Angular frontends in agile Scrum/SAFe teams, with CI and containerized deployments.
- Compensation
- Not disclosed
- Location
- ROZAS, Spain
- Work setup
- Not specified
- Seniority
- Not specified
- Employment
- Not specified
- Experience
- 5+ years
- Category
- Fullstack
- Posted
Skills
Must have
- At least 5 years of professional software engineering experience with a strong focus on Java application development
- Java 8+, Spring Boot, SOAP/REST web services
- Deep expertise in database technologies: SQL, Hibernate, database design; relational and event-driven persistence patterns
- Knowledge of object-oriented design and event-based messaging systems (e.g., Kafka)
- Experience with integration patterns and optimization
- Knowledge of core web technologies (HTML, CSS, JS)
- Baseline knowledge of continuous integration practices and scalable deployments with containerized applications (e.g., Kubernetes, OpenShift)
- Full command of English and Spanish with excellent communication skills
- Quality-focused with strong problem-solving abilities and a collaborative, resilient mindset
Nice to have
- Experience with front-end frameworks, preferably Angular
- Familiarity with the FIX protocol and/or experience in financial markets, trading infrastructure, or related environments
Full description
What You Will Do
- Design and develop high-performance, Java applications for market-facing and value-added applications to trading platforms, leveraging modern frameworks and architectural patterns.
- Translate business requirements and user expectations into maintainable and scalable solution designs, applying best practices and industry standards.
- Collaborate effectively within agile teams including developers, testers, product owners, and business stakeholders using Scrum and SAFe methodologies.
- Ensure code quality and system reliability through peer reviews, automated testing, and continuous integration, proactively identify performance bottlenecks.
- Drive technical and continuous improvement, proposing enhancements, and contributing to the evolution of the surrounding trading platform's architecture.
What You Bring
- At least 5 years of professional experience in software engineering, with a strong focus on Java application development (Java 8+, Spring Boot, SOAP/REST web services).
- Deep expertise in database technologies, including SQL, Hibernate, and database design;
experience with both relational and event driven persistence patterns.
- Proven knowledge of object-oriented design and event based messaging systems (e.G., Kafka), alongside practical experience in integration patterns and optimization and knowledge of core web technologies (HTML, CSS, JS), alongside practical experience with industry-wide frameworks (preferably Angular).
- Baseline knowledge of continuous integration practices and scalable deployments with containerized applications (e.G., Kubernetes, Openshift).
- Quality-focused professional with strong problem-solving abilities, and a collaborative, resilient mindset.
- Familiarity with the FIX protocol and/or direct experience working in financial markets, trading infrastructure, or related environments will be considered as a plus.
- A full command of English and Spanish with excellent communication skills are required.
If you have any questions, check out our or call Sara Perez de la Cuesta at. For this vacancy we only accept direct applications in English. Diversity is important to us. Therefore, we are looking to receiving applications regardless of any personal background.
What We Offer Flexible Work Models
We trust our employees and offer a work environment that is well-balanced, productive and fosters success.
Personal Development
You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.
**Agile Working Methods
**Whether through scrum or design thinking,