Full Stack Engineer (Java & Angular) - 100% (f/m/d)

Julius Baer; Madrid; On-site; EUR 70,000 - 110,000; Full time

Job summary

Julius Baer in Madrid is seeking a software engineer to design, develop and test backend modules and ensure seamless integration within a complex wealth-management platform.

You will combine Java/Jakarta EE backend work with Angular/TypeScript frontend tasks, build REST APIs, and contribute to enterprise integrations. The role emphasizes clean code, automated tests, and collaboration with Product Owners, Analysts and Architects in an agile environment.

Qualifications

• Strong Java/Jakarta EE experience and OO design.
• Hands-on backend with Java 21, Maven, and JPA/Hibernate.
• Frontend work with Angular and TypeScript.
• Experience designing RESTful APIs and enterprise integrations.
• Familiarity with Oracle databases and SQL.

Responsibilities

• Develop and maintain backend applications using Java/Jakarta EE stack.
• Design and implement REST APIs and integrate with systems.
• Build frontend components with Angular/TypeScript.
• Collaborate with cross-functional teams and QA for quality.
• Write automated unit and integration tests; troubleshoot issues.

Skills

Java development

Jakarta EE

JPA/Hibernate

Maven

Angular

TypeScript

REST APIs

Oracle

SQL

OO programming

JUnit

Mockito

Agile

Git

Tools

OpenAPI Generator

SOAP/JAX-WS

Apache CXF

Docker

Splunk

OpenTelemetry

JMS

Job description

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.

Responsible for designing, developing and testing software modules, ensuring optimal functionality and integration within complex systems. The role demands a combination of in-depth technical expertise and collaboration with cross-functional teams to innovate and deliver high‑quality software solutions.

YOUR CHALLENGE

• Develop and maintain backend applications using Java 21, Jakarta EE, JPA/Hibernate, and Maven.
• Build and enhance frontend applications using Angular, TypeScript, and SASS.
• 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 modeling 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

• Strong hands‑on experience with Java development and object‑oriented programming principles.
• Experience with Java/Jakarta EE, JPA/Hibernate, and Maven‑based applications.
• Solid experience developing frontend applications using Angular, TypeScript, HTML, and CSS/SASS.
• 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.
• Experience working in enterprise‑scale applications within Agile and cross‑functional teams.