Workflow Management Architect – MAIA

Jobtailor; Brussel Hoofdstad; Sur place; EUR 70 000 - 110 000; Plein temps

Résumé du poste

Jobtailor is seeking an experienced software engineer to maintain and evolve Activiti and Camunda workflow engines while delivering modern web applications. You will implement enhancements, perform migrations, and ensure backward compatibility with legacy systems.

The role involves API design, security considerations, and cloud-based deployments. The candidate should be proficient in HTML5/JS/TS with Angular, Web Components, and modern front-end patterns, plus backend experience in Java/Spring

Qualifications

• Strong front-end expertise with HTML5, CSS3, SASS and modern JS/TS.
• Experience with Angular and Signals, building modular client-side apps.
• Knowledge of web security, authentication protocols (OIDC, JWT) and API consumption.
• Experience with RESTful APIs, OpenAPI/Swagger documentation.
• Cloud deployment and CDNs (AWS) for performance.
• Experience with workflow engine integration (Activiti, Camunda).

Responsabilités

• Maintain and evolve Activiti and Camunda workflow engines for stability.
• Implement functional enhancements, migrations, performance improvements and fixes.
• Ensure backward compatibility with Compass Green legacy system.
• Develop, test, and integrate new features per specs.
• Perform root cause analysis of production incidents and deliver fixes.
• Refactor code to reduce technical debt and optimize SQL.
• Develop unit and integration tests to safeguard stability.
• Prepare deployment packages and support production integration.
• Participate in PI Planning, Sprint Planning, daily stand-ups and reviews.
• Refine backlog items and contribute to implementation planning.
• Present changes during sprint and PI demos.
• Attend architecture alignment meetings and stakeholder updates.

Connaissances

Web development

TypeScript/JavaScript

Angular framework

Web security

API design

Performance optimization

Problem solving

Outils

HTML5

CSS3

SASS

TypeScript

Angular

Web Components

Micro Frontends

REST APIs

OpenAPI/Swagger

OpenID Connect

JWT

AWS CloudFront

Spring Boot

JPA/Hibernate

WebLogic 14

JAXRS

JAXWS

JMS

API Gateways

Consul

Activiti

Camunda

Description du poste

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 updates.

Requirements

• 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).
• Proficiency in backend 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).

Core Competencies

Demonstrates expertise in maintaining and evolving workflow engines like Activiti and Camunda, with a strong focus on performance improvements, technical migrations, and API integration. Proficient in modern web development technologies and practices, ensuring application stability and security.