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Julius Baer

Java Backend Engineer 100% (f/m/d)

Julius Baer is hiring a Java Backend Engineer 100% (f/m/d) in Madrid, Spain. Level rates it ; you can apply on Julius Baer.

Level's read on this job

  • On Level's scale, this software engineer role is Little AI ●○○○: aI is not part of the work.
  • Tools and skills the posting cites include JAX.
  • Level lists 190 other open roles at Julius Baer.
  • The role was posted within the past week.

AI in this role

jax

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.

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.

YOUR CHALLENGE

• 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.

YOUR PROFILE

Must-Have Skills

• 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 Skills

• 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.

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.

Is this not quite what you are looking for? Set up a job alert by creating a candidate account here.

How we rate this

Java Backend Engineer 100% (f/m/d) at Julius Baer rates 36 out of 100 for how much of the daily work is AI. That makes it Little AI (AI Level 1 of 4). The level is about AI in the job, not seniority.

Classification

Little AI. AI is not part of the work.

  1. ●●●● Builds AI80 to 100
  2. ●●●○ Works on AI60 to 79
  3. ●●○○ Uses AI40 to 59
  4. ●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Prepare for this job

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Pay

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$167k

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