Senior Full-Stack Developer – Customer Data
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Before you apply
LocationBruxelles Avenue Marnix (ING)
Typefull-time
SenioritySenior
Experience8+ yrs
Company size10,000+ people
PostedOct 23, 2026 · 1w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Master’s degree or equivalent experience in Computer Science or IT
Certifications and/or proven proficiency in software development
8+ years of experience in Agile IT projects
Strong expertise in Java 21, Spring Boot, Kafka, Maven
Familiarity with CI/CD pipelines using Azure DevOps and GitHub
Familiarity with monitoring tools like Kibana, Grafana, Prometheus
Knowledge of additional programming languages (e.g., Python) and a strong willingness to learn new ones
Awareness of Security & IT Risk
Awareness of Resilience patterns
Excellent communication skills in English (written and spoken)
Knowledge applying CQRS pattern
Skills
Kafka
Cassandra
Oracle SQL
Axon Framework
Angular
lit HTML
Java 21
Spring Boot
Maven
Azure DevOps
GitHub
Kibana
Grafana
Prometheus
Python
Senior Full-Stack Developer – Customer Data
About the Role
We are looking for a technically polyglot Full-Stack Developer to join our Customer Data team. You will be part of a high-impact environment where reliability, scalability, and cross-departmental collaboration are key. Our systems handle critical customer data across multiple business domains, with a strong focus on risk management, resilience, and performance. You’ll work with modern technologies including Kafka, Cassandra, Oracle SQL, CQRS, Axon Framework, Angular, and lit HTML, and contribute to both backend and frontend development.
A Day in the Life of a Senior Full-Stack Developer – Customer Data
• Design solutions that fulfill complex business requirements. • Code smart, efficient, and resilient applications.
• Collaborate across departments to ensure alignment and integration.
• Continuously learn and share knowledge, embedding best practices and lessons learned.
How to succeed
Our biggest expectation is that you’ll stay curious. Keep learning. Take on responsibility.
Requirements are:
• Master’s degree or equivalent experience in Computer Science or IT. • Certifications and/or proven proficiency in software development.
• 8+ years of experience in Agile IT projects.
• Strong expertise in: - Java 21, Spring Boot, Kafka, Maven - knowledge applying CQRS pattern is a plus
• Familiarity with: - CI/CD pipelines using Azure DevOps and GitHub - Monitoring tools like Kibana, Grafana, Prometheus
• Knowledge of additional programming languages (e.g., Python) and a strong willingness to learn new ones.
• Awareness of: - Security & IT Risk - Resilience patterns • Excellent communiication skills in English (written and spoken)