Senior Java Backend Engineer – Digital Platforms & Integration

Responsibilities

• Design, develop, and maintain platform APIs, backend services, and integration components.
• Build scalable and maintainable Backend-for-Frontend (BFF) services to support multiple digital channels.
• Contribute to the evolution of the integration layer between digital platforms and partner ecosystems.
• Implement security protocols and authentication mechanisms including OAuth2 and JWT.
• Define API lifecycle management and versioning strategies to ensure consistency and reliability.
• Apply software engineering best practices and participate in code reviews and architecture design.

Requirements

• 8+ years backend development with Java and Spring Framework .
• 8+ years experience with Object Oriented design and architectural patterns.
• 5+ years working in an IBM Environment utilizing IBM MQ Series .
• 5+ years of experience in Quality Assurance and Software Testing .
• 5+ years with Web Services , REST APIs , and API lifecycle management .
• You bring expertise in Backend-for-Frontend (BFF) and cloud-based distributed architectures .
• You possess knowledge of security standards such as OAuth2 , OpenID Connect , and JWT .
• You have experience in Agile workflows and design support tools such as SPARX .
• You're proactive, analytical, and comfortable challenging technical decisions constructively.
• You are fluent in English with professional proficiency in French or Dutch .

Nice to Haves

• Knowledge of monitoring, observability, and operational practices.
• Experience participating in architecture spikes and MVP development.