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Java Backend Engineer

On-site in Madrid·Full-time·Added today (last checked 26 Oct)

Julius Baer

36 open roles

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Our summary

Work mode: On-site, Madrid
Contract: Full-time
English: Required

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Skills

Nice to have

Docker

Requirements

What we're looking for

• Strong hands-on experience with Java development and object-oriented programming principles.

• Experience with Java/Jakarta EE, JPA/Hibernate, and Maven-based applications.

• Experience building and consuming RESTful APIs.

• Working knowledge of Oracle databases, SQL, and data persistence concepts.

• Understanding of software design principles, design patterns, and clean coding practices.

• Experience with automated testing using frameworks such as JUnit and Mockito.

• Familiarity with source control systems and collaborative development workflows.

• Strong problem-solving skills and ability to analyze complex technical issues.

• Ability to work effectively within Agile development teams.

• Good communication skills and a collaborative mindset.

• Ability to work across both backend and frontend domains in a full-stack capacity.

Nice to have

• Experience with JBoss EAP, WildFly, or other enterprise Java application servers.

• Familiarity with OpenAPI Generator, REST API design, and contract-first development.

• Experience working with SOAP/JAX-WS, Apache CXF, or enterprise integration technologies.

• Exposure to messaging platforms and JMS-based solutions.

• Experience with Splunk, OpenTelemetry, or application monitoring solutions.

• Familiarity with integration testing frameworks such as Kotest or Ktor.

• Exposure to Docker-based local development environments.

The role

We are seeking a skilled Java Backend Engineer to join our team in Madrid. In this role, you will contribute to the development, enhancement, and maintenance of a business-critical enterprise platform built on Java/Jakarta EE technologies.

You will work closely with Technical Leads, Product Owners, QA engineers, and other development teams to deliver high-quality software solutions across both backend and frontend domains. The ideal candidate is passionate about software engineering, enjoys solving complex problems, and is comfortable working across the full technology stack.

What you'll do

• 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 technical solutions.

• Develop database-related functionality using Oracle, including data modelling and query optimization.

• Write clean, maintainable, and testable code following established engineering standards and best practices.

• Create and maintain automated tests, including unit and integration tests.

• Troubleshoot and resolve application defects, performance issues, and production incidents.

• Contribute to application monitoring, observability, and continuous improvement initiatives.

• Support deployment, testing, and release activities across development and test environments.

Hiring process

2 steps1 interviewa task to do

Online application
Application review
Pre-recorded video interview
Video call · Not every role
Used for certain jobs such as graduate positions, internships and roles that need presentation skills.
First interview
Arranged if your profile aligns with the job description.

Applications are usually reviewed within the first few days, later when there is an application deadline.
Every applicant receives a decision regardless of the outcome.

Hiring process

We are looking forward to receiving your full job application through our online application tool. Further interesting job opportunities can be found on our Career site.

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About Julius Baer

Julius Baer is a Swiss private banking group headquartered in Zurich, specializing in wealth management and advisory services for private clients. Founded in 1890, the bank operates globally with a strong presence in Europe, Asia, and the Middle East, managing assets for high-net-worth individuals. It is one of Switzerland's leading private banks, known for its personalized service and comprehensive financial solutions.

In Spain, Julius Baer has established a technology and operations hub, with a significant number of open roles in IT and engineering, including positions for ServiceNow developers, AI engineers, and full-stack developers. The bank's Spanish presence is centered in Barcelona, where it leverages local tech talent to support its global digital transformation initiatives. For international professionals, Julius Baer offers a dynamic work environment with opportunities to work on cutting-edge financial technology projects, while being part of a prestigious global banking brand.

Industry: Private Banking
Founded: 1890
Employees: 5,000–10,000
Headquarters: Zurich, Switzerland
In Spain: Barcelona

Good to know if you are moving

Julius Baer has a significant technology hub in Barcelona, Spain, with many IT roles in software engineering, AI, and cloud infrastructure.
The bank offers a global work environment with opportunities to collaborate with teams across Europe and other regions.
As a Swiss private bank, Julius Baer provides a prestigious and stable employer brand, with a strong focus on professional development.
Many of the open roles in Spain are in IT and engineering, indicating a growing tech presence in the country.
The company supports flexible work arrangements, including remote work options for some positions.

In their own words

About the company & team

At Julius Baer, we celebrate and value the individual qualities you bring, enabling you to be impactful, to be entrepreneurial, to be empowered, and to create value beyond wealth. Let's shape the future of wealth management together.

All open roles at Julius Baer