Java Backend Engineer — Flexible, Full-Stack

Bank Julius Bär & Co. Ltd.; Madrid; Vor Ort; EUR 55.000 - 75.000; Vollzeit

Zusammenfassung

Julius Baer in Madrid is seeking a skilled Java Backend Engineer to join our team. You will develop and maintain enterprise-grade backend apps using Java 21, Jakarta EE, and Oracle SQL, and design REST APIs for internal and external integrations.

You will collaborate with product owners, analysts, and architects while contributing to testing, deployment, and observability initiatives across the stack. The role offers growth in a global wealth management environment.

Qualifikationen

• Strong hands-on Java development and OO principles.
• Experience with Java/Jakarta EE, JPA/Hibernate, and Maven.
• Experience building and consuming RESTful APIs.
• Working knowledge of Oracle databases, SQL, and data persistence concepts.
• Understanding of software design principles and clean coding.
• Experience with automated testing using JUnit and Mockito.
• Familiarity with VCS and collaborative workflows.
• Ability to work in Agile teams and communicate effectively.
• Ability to work across backend and frontend domains in a full-stack capacity.

Aufgaben

• Develop and maintain backend applications using Java 21, Jakarta EE, JPA/Hibernate, and Maven.
• Design and implement REST APIs and integrate with internal and external systems.
• Contribute to enterprise integrations using SOAP, JMS, and messaging technologies.
• Collaborate with Product Owners, Business Analysts, and Architects to understand requirements and deliver solutions.
• Develop database-related functionality using Oracle, including data modelling and query optimization.
• Write clean, maintainable, and testable code following established standards.
• Create and maintain automated tests, including unit and integration tests.
• Troubleshoot defects, performance issues, and production incidents.
• Contribute to application monitoring, observability, and continuous improvement initiatives.
• Support deployment, testing, and release activities across environments.

Kenntnisse

Java development

Jakarta EE

REST APIs

Oracle SQL

JUnit

Mockito

Agile teamwork

Full-stack work

Tools

JUnit

Mockito

OpenAPI Generator

SOAP/JAX-WS

Apache CXF

JMS

Docker

Jobbeschreibung

Julius Baer in Madrid is seeking a skilled Java Backend Engineer to join our team. You will develop and maintain enterprise-grade backend apps using Java 21, Jakarta EE, and Oracle SQL, and design REST APIs for internal and external integrations.

You will collaborate with product owners, analysts, and architects while contributing to testing, deployment, and observability initiatives across the stack. The role offers growth in a global wealth management environment.