Workflow Management Architect, Brussels (near-site) – MAIA

Position: Workflow Management Architect.

Location: Near-site (Brussels).

Rate: 480€/day.

Language: Services will be provided in English. Consultants must have at least a C1 level, in accordance with the Common European Framework of Reference for Languages (CEFR).

Minimum post-secundary education required: At least 5 years of studies attested by a diploma.

Minimum professional experience required: a minimum of 3 years postsecondary professional experience.

Responsibilities:

· Maintain and evolve the existing workflow engines Activiti and Camunda, ensuring operational stability and continuity.

· Implement functional enhancements, technical migrations, performance improvements and corrective changes related to workflow management components.

· Ensure backward compatibility with the legacy workflow management system Compass Green.

· Develop, integrate and test new features based on provided specifications.

· Perform root cause analysis of production incidents and deliver code-level fixes.

· Address technical debt through code refactoring, library upgrades and SQL optimization.

· Develop automated unit and integration tests to safeguard platform stability.

· Prepare deployment packages and support integration into production environments.

· Participate in PI Planning, Sprint Planning, Daily Stand-ups, Sprint Reviews and Retrospectives.

· Refine technical backlog items and contribute to technical implementation planning.

· Present completed functional and technical changes during sprint and PI demonstrations.

· Participate in technical alignment meetings, architecture synchronizations and stakeholder update.

Specific knowledge, skills and expertise:

Frontend development

· Proficiency in HTML5, Javascript/TypeScript, CSS3 and SASS.

· Proficiency in Angular, including modern concepts like Signals.

· Good knowledge of building complex, modular client-side applications using modern. frameworks, Web Components, micro frontends and state management patterns.

· Experience in Web security, authentication and authorization protocols (OpenID Connect, JWT).

· Experience with responsive and adaptive design.

· Experience with leveraging Content Delivery Networks (CDNs) like AWS CloudFront to optimize asset delivery and improve application performance.

· Understanding key design principles.

· Understanding API integration patterns (consuming REST APIs, error handling, caching strategies).

· Experience with dynamic UI component integration patterns (loading, event communication).

Backend development

· Proficiency in back-end languages (Java) and experience with frameworks (Spring Boot, JPA/Hibernate, Axon).

· Experience with legacy JEE application servers and technology standards and implementations (WebLogic 14, JAXRS, JAXWS, JAXB, EJB, JMS).

· Experience in designing, building, automating, and securing RESTful APIs and web services, including OpenAPI/Swagger documentation.

· Experience with API management technologies (Consul, API Gateways, CAPI Gateway)

· Knowledge of cloud services (e.g., AWS) and experience with deploying and managing applications in a cloud environment.

· Understanding authentication and authorization protocols and standards (e.g., OpenID Connect, JWT, Client/Server Certificate).

· Experience with leveraging AI agent technologies during development but also integrated with applications (MCP, Skills, AmazonQ/Kiro, Spec Driven development, context engineering).

· Experience with workflow engine integration (Activiti, Camunda).

Database & Persistence

· Proficiency in working with relational databases (e.g., PostgreSQL, Oracle, H2DB), including writing complex SQL queries and understanding database design.

· Experience with NoSQL document stores (ElasticSearch, Redis) and understanding of consistency/performance trade-offs.

Architecture

· Experience with cloud-native event-driven micro-service architecture principles and design patterns like CQRS, Saga’s.

· Experience with messaging solutions based on JMS and Kafka.

· Strong understanding of the web development cycle and programming techniques and tolos.

· Experience with containerization and orchestration technologies (e.g., Docker, Kubernetes) for developing, deploying, monitoring and troubleshooting applications.

DevOps & Infrastructure

· Experience with development and DevSecOps tooling, including version control (Git), Git workflows (GitFlow), and Understanding of CI/CD pipelines (GitLab).

· Experience with collaboration tools: issue tracking (Jira) and documentation (Confluence).

· Experience with Observability and Performance Monitoring tools (Dynatrace, Elastic APM, Grafana, Prometeus, Zipkin, LogStash, OpenSearch, OpenTelemetry).

Testing & Quality Engineering

· Experience with testing practices (unit and integration testing).

· Experience with Code Review practices.

· Experience with quality tools (SonarQube, Fortify).

· Knowledge of front-end testing frameworks and tools for unit and integration testing.

· Experience in using client-side monitoring tools like Dynatrace Real User Monitoring.

· Experience with performance optimization of web applications.