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We are seeking a skilled and experienced Java Back-End Developer to join our team on an on-site assignment at the European Commission in Brussels. This is an exciting opportunity to contribute to high-impact, scalable digital solutions at the heart of the EU.

As part of a multidisciplinary team, you will be involved in the full development lifecycle of secure and scalable applications supporting complex business processes. You’ll work in a multicultural, fast-paced environment with a high degree of autonomy and responsibility.

Key Responsibilities

• Design, develop, and maintain robust and scalable back-end applications

• Implement core business logic and application functionality

• Create and manage servers and databases ensuring data integrity and performance

• Ensure security best practices and data protection compliance

• Collaborate with front-end developers for cross-platform optimization and integration

• Develop and document RESTful and SOAP APIs

• Lead and contribute to the design of scalable software architectures

• Maintain clean, functional, and well-documented code

• Perform code analysis, troubleshooting, and continuous improvement

• Conduct unit testing, fix bugs, and ensure overall system reliability

• Produce and maintain comprehensive technical documentation

• Participate in project meetings with technical and non-technical stakeholders

• Take ownership of specific projects or modules when required

Required Qualifications & Skills

Education

• Bachelor’s degree (EQF Level 6) in Computer Science, Software Engineering, or another IT-related field

• Minimum 3 years of formal higher education in a relevant discipline

Knowledge & Skills

•  Java 8+ (professional-level experience)
• Java Frameworks: Spring, Spring Boot, Hibernate, Java EEAPI Development: REST, SOAP, OpenID Connect, OAuth2, API Gateway configuration
• Oracle RDBMS, experience in database performance tuning
• Messaging systems: Kafka, JMS, ActiveMQ
• Web servers: Oracle WebLogic, Apache
• Security protocols: SSL/TLS, reverse proxy configuration
• Cloud services: Amazon Web Services (AWS), microservices architecture, cloud-native development
• CI/CD tools: Bamboo, Git
• Testing tools: SOAPUI, ReadyAPI, Postman
• Containerization: Docker
• Basic familiarity with NoSQL databases (e.g. MongoDB) is a plus
• Understanding of Agile/Scrum methodologies
• Strong technical documentation and redaction skills
• Ability to deliver technical presentations to both technical and non-technical audiences
• 3+ years of expert experience in Cloud-based DevOps environments
• 1+ year of advanced experience with WebLogic Application Server

Experience with Compass Corporate is considered a strong plus.

Certifications

Mandatory

• Java EE Application Developer

Considered an Asset

• Certified DevSecOps Professional (CDP)

• AWS Certified Solutions Architect

• Microsoft Azure Solutions Architect Expert

• Google Professional Cloud Architect

• Certified Kubernetes Application Developer (CKAD)

Languages

• English: Minimum B1 level (spoken & written) – required

• French: Minimum B1 level – desirable

Benefits

• Hybrid working model.
• Private insurance.
• Unlimited free access to wellness workplace support platform.
• A dynamic and challenging environment that fosters continuous learning, education, and career progression.
• Opportunities to work with cutting-edge technologies.
• Pleasant and collaborative working environment.

UpcoMinds is a dynamic IT company with 28 years of experience that provides end-to-end web and mobile solutions helping businesses to reinvent themselves in the digital world. Our team’s skills and expertise will ensure the holistic digital transformation of any organization, which will considerably improve both business operations and customer’s experience.

Our goal is to always have our end products and services reflect our deep engineering skills and elegant progressive design aesthetic. We fundamentally believe deeply in developing long term strategic partnerships with our clients by exceeding expectations and maintaining a high level of transparency.

Find out more about us at www.upcominds.com

We commit to promote Inclusion & Diversity by creating a working environment where all employees are treated with dignity and respect and where individual differences are valued. We offer equal opportunity in all aspects of employment.

Our recruitment consultants will go through your Curriculum Vitae as soon as possible and get back to you to discuss the opportunity for which you apply. If you don’t hear from us in the coming ten (10) working days, you may consider that you have not been selected for the particular job. Your CV will be retained for two years in accordance with GDPR regulations.