Workflow Management & Task and Processes components Developer, Brussels (near-site) – MAIA

TheWhiteam; Brussel; Sur place; EUR 90 000 - 115 000; Plein temps

Résumé du poste

TheWhiteam is seeking a Workflow Management & Task and Processes components Developer for a near-site role in Brussels. You will maintain and evolve Activiti/Camunda-based solutions and related Compass components, ensuring stability and alignment with specifications.

You will implement enhancements, migrations and performance improvements, develop new business functionalities, and ensure backward compatibility with legacy systems.

Qualifications

• Proficient in Angular/Java/REST API design and open standards.
• Experience with Activiti or Camunda workflow engines.
• Proven ability to develop and test complex web apps across frontend and backend layers.
• Familiarity with cloud tools and containerization.
• Strong knowledge of CI/CD, Jira/Confluence, and Agile ceremonies.

Responsabilités

• Maintain and evolve workflow management solutions (Activiti, Camunda) and Compass components.
• Implement enhancements, migrations, performance improvements and maintenance tasks.
• Develop, test and integrate new business functionalities per specs.
• Ensure backward compatibility with legacy Compass components where needed.
• Investigate incidents and perform root-cause analysis to fix issues.

Connaissances

HTML5

Java

Angular

Spring Boot

REST APIs

Camunda

Activiti

Docker

Kubernetes

CI/CD

OpenID Connect

JWT

SQL

Jira

Confluence

AWS

Formation

Post-secondary diploma (>=5 years)

Outils

Jira

Confluence

Git

GitLab

Swagger/OpenAPI

Dynatrace

OpenSearch

Description du poste

Position: Workflow Management & Task and Processes components Developer.

Location: Near-site (Brussels).

Rate: 430€/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 management solutions (Activiti and Camunda) as well as the Compass Corporate components related to task and process management, ensuring operational stability, continuity and alignment with provided specifications.
• Implement functional enhancements, technical migrations, performance improvements and corrective maintenance activities across workflow, task and process management components.
• Develop, integrate and test new business functionalities based on approved specifications and technical implementation plans.
• Ensure backward compatibility with legacy Compass Corporate and Compass Green components where required.
• Investigate production incidents, perform root cause analysis and implement sustainable code-level fixes and corrective actions.
• Address technical debt through code refactoring, legacy library upgrades, modernization activities and SQL query optimization.
• Optimize application performance, response times and resource utilization through code and configuration improvements.
• Design, develop and maintain automated unit and integration tests to ensure application stability and quality following technical changes.
• Prepare deployment packages, deployment scripts and support the integration of software releases into production environments.
• Produce and maintain technical artefacts including source code, component designs, implementation plans, technical documentation and code remediation deliverables.
• Participate actively in PI Planning, Sprint Planning, Daily Stand-ups, Sprint Reviews and Retrospectives, contributing to the achievement of sprint and program objectives.
• Contribute to backlog grooming and technical refinement activities, ensuring stories are properly estimated, refined and ready for implementation.
• Demonstrate completed functional and technical developments during sprint reviews, system demonstrations and validation sessions with stakeholders.
• Collaborate with architects, developers and stakeholders in technical alignment meetings, governance activities and cross-team dependency management.
• Record work performed through Jira tickets and contribute to project reporting, effort tracking and technical documentation activities.

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.