-
SEIDOR

Back-end developer - Brussels - Near site

SEIDOR
Belgium · Contract · Mid-Senior

We are on the lookout for a Back-end developer to join our team for working with European Institutions based in Brussels in an near site position.

Get to know us - SEIDOR

At SEIDOR, we drive client transformation and competitiveness with cutting-edge technology and innovation , with a relentless focus on the human element and a commitment to nurturing talent and sustainable growth.

As a diverse and inclusive company that champions equal opportunity, we boast a team of over 8,000 professionals in our global presence across 45 countries in Europe, Latin America, the USA, the Middle East, Africa, and Asia.

We believe the digital world's challenges require not only the best technologies and partnerships but most importantly, the best people. That's where you come in – we need you to help us scale new heights.

For this position you would be working with our client from the European institutions.

Below are the details of your role and requirements.

Your role

  • Development of back-end website applications.
  • Implement core business logic.
  • Creation of servers and databases for functionality.
  • Understanding and implementation of security and data protection.
  • Cross-platform optimization.
  • Design responsive applications.
  • Design and develop APIs.
  • Participating in the design and creation of scalable software.
  • Taking lead on projects, as needed.
  • Maintenance of code integrity and organization.
  • Writing clean, functional code for the back-end and possibly front-end applications.
  • Compile and analyze 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.

What’s in it for you?

From day one, you’ll find opportunities for personal and professional development within a supportive team environment. We offer:

  • A permanent role at a leading tech project firm (subcontractor also possible).
  • A hybrid work schedule, blending in-office collaboration with the convenience of working from home.
  • Continuous learning and development through SEIDOR Academy.
  • A package including salary and additional annual bonus, working equipment, phone and other benefits.
  • A dynamic international workplace with diverse teams.
  • A commitment to your well-being, work-life balance, and career growth.
  • Rapid advancement opportunities in a short period of time.
  • Engaging events and a comprehensive onboarding program.

At SEIDOR, Your Growth Is Our Success, And We Strive To Make Our Workplace Feel Like Home. Discover The Nine Core Aspects Of Our Culture That Define Us At SEIDOR

https://www.seidor.com/en-es/talent

If this resonates with you, we'd love for you to apply to our opening, and we'll be in touch soon!

Requirements

Who we think you are:

  • Experience in Java 8+, Spring, Spring Boot, Java EE
  • Experience in OpenID Connect integration.
  • Experience in SSO.
  • Experience in Cloud development with Amazon web services.
  • Knowledge on API GW configuration with OAuth 2.
  • Knowledge on Oracle WebLogic Server, Apache.
  • Knowledge on SSL/TLS Protocol configuration in application servers.
  • Knowledge on reverse proxy configuration
  • Experience in Kafka and JMS.
  • Experience in Oracle DB.
  • Experience with REST and SOAP services.
  • Knowledge on CI/CD pipelines.
  • Knowledge of development, building and deployment of micro services.
  • Experience with tools for web services testing (SOAPUI, ReadyAPI, Postman)
  • Advanced knowledge of the Procurement and Grant Management business domains
  • Experience with blockchain technology
  • Experience with the EC identity and access management tools (Secunda and IOP IAM)

To ensure the integrity of the process, all candidates must:

  • Attend interviews with a working webcam and audio.
  • Be reachable by phone.
  • Provide verifiable professional references upon request.

Applications that do not meet these requirements will not be considered.

Key Skills

Ranked by relevance

oracle java identity and access management spring boot blockchain responsive server kafka oauth cloud cicd
Login to Apply
Posted
May 19, 2025
Type
Contract
Level
Mid-Senior
Location
Uccle
Company
SEIDOR

Industries

Technology Information Media

Categories

Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
SoTalent
Related

Senior Java Developer

2026-05-28

Contract
Mid-Senior
Germany
Mobile Food Services
Engineering
View Job Details
Tieto
Related

Senior SW Developer - Tieto Caretech (m/f/d)

2026-05-21

Full-time
Not Applicable
Finland
Technology
Engineering
View Job Details
Tieto
Related

Senior SW Developer - Tieto Caretech (m/f/d)

2026-05-21

Full-time
Not Applicable
Finland
Technology
Engineering