Remote Backend Engineer - Java, APIs & Cloud (EU Institutions)

SEIDOR; Brussel Hoofdstad; Remote; EUR 55,000 - 75,000; Full time

Job summary

SEIDOR in Brussels is seeking a Back-end Developer to join our team working with European Institutions from Brussels, remotely. You will develop backend web applications, design APIs, implement core business logic, and ensure security, performance, and scalable data storage.

You will work with Java/JEE, REST and SOAP APIs, PostgreSQL, and modern DevOps tools, collaborating with international teams. Experience with Docker, Kubernetes and CI/CD is expected, and you will contribute to

Qualifications

• Bachelor's level education or 3 years of higher education.
• Experience in Java/JEE backend development.
• Strong experience designing and developing REST and SOAP APIs.
• Solid knowledge of PostgreSQL and advanced SQL.
• Experience with Docker and Kubernetes.
• Knowledge of OAuth2 and OpenID Connect security protocols.
• Experience with Git and CI/CD tools such as Jenkins.
• Ability to design scalable, secure, and high-performance backend solutions.

Responsibilities

• Development of back-end website applications.
• Integration of user-facing elements developed by a front-end developer with server side logic.
• Implement core business logic.
• Creation of servers and databases for functionality.
• Design and implementation of data storage solutions.
• Understanding and implementation of security and data protection.
• Optimization of the application for maximum speed and scalability.
• Design and develop APIs.
• Participating in the design and creation of scalable software.
• Taking lead on projects, as needed.
• Maintenance of code integrity and organisation.
• Writing clean, functional code on the back-end.
• Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement.
• Testing and fixing bugs or other coding issues
• Meet both technical and consumer needs.
• Write technical documentation

Skills

Java/JEE backend

REST APIs

SOAP APIs

PostgreSQL

OAuth2

OpenID Connect

CI/CD

Security best practices

Multilingual meetings

Team collaboration

Education

Bachelor's degree

Tools

Docker

Kubernetes

Git

Jenkins

Job description

SEIDOR in Brussels is seeking a Back-end Developer to join our team working with European Institutions from Brussels, remotely. You will develop backend web applications, design APIs, implement core business logic, and ensure security, performance, and scalable data storage.

You will work with Java/JEE, REST and SOAP APIs, PostgreSQL, and modern DevOps tools, collaborating with international teams. Experience with Docker, Kubernetes and CI/CD is expected, and you will contribute to