Integration & Workflow Engineer

Ayesa Digital; Brussel; Sur place; EUR 65 000 - 90 000; Plein temps

Avantages offerts par ce poste

Prestigious EU projects

International environment

Team of experts

Modern tech stack

Real-world impact

Résumé du poste

Ayesa Digital is seeking an Integration & Workflow Engineer to design, develop, and implement secure integration solutions and business workflows across complex enterprise environments. You will work on API-led and event-driven architectures, APIs exposed through API Gateway, and event streams powering critical enterprise processes.

You will deploy and manage integration components in containerised infrastructures (Docker/Kubernetes), implement CI/CD pipelines, and ensure security,

Qualifications

• Strong experience with HTTP and API design.
• Java EE (JEE) API development and consumption (RESTful and SOAP).
• Experience with BPMN workflow engines and event-driven architectures.
• Proficiency in Kafka and JMS for asynchronous messaging.
• Knowledge of Docker, Kubernetes, and cloud-native patterns.
• Familiarity with CI/CD tools (Jenkins, GitLab, or Bamboo).
• Understanding of OAuth 2.0 and OpenID Connect security standards.
• Experience with iPaaS/ESB (MuleSoft, Apache Camel, or Oracle Service Bus).
• Knowledge of API management platforms (WSO2, CAPI).
• GRPC and Protobuf for high-performance RPCs.
• Microservices and distributed system design patterns.
• Excellent technical documentation and IT architecture skills.
• Strong English; French is a plus.

Responsabilités

• Design and implement integration strategies using API-led and event-driven patterns.
• Develop secure APIs exposed via API Gateway platforms.
• Create and document business events for streaming platforms and enterprise systems.
• Build and maintain CI/CD pipelines for integration components.
• Develop and deploy integration solutions in Docker/Kubernetes environments.
• Ensure security, scalability, and operational resilience of integration points.
• Collaborate with cross-functional teams and document architectures.

Connaissances

HTTP API design

Java EE / JEE

REST & SOAP APIs

BPMN workflow engine

Kafka & JMS

Docker & Kubernetes

CI/CD (Jenkins / GitLab)

OAuth 2.0 & OpenID Connect

iPaaS / ESB platforms

MuleSoft / Apache Camel

API management (WSO2 / CAPI)

GRPC & Protobuf

Microservices architecture

Security best practices

English communication

French (nice to have)

Description du poste

At Ayesa Digital, we grow with you!

Every professional in our company is essential. Thanks to their talent, we continue to expand: today, we are a global team of more than 11,000 people working toward a shared mission.

Ayesa Digital is currently participating in high-impact European Union projects designed to address major European challenges and drive science and innovation. These strategic technological initiatives stand out for their international scope and strong commitment to socially oriented results.

We are looking for an Integration & Workflow Engineer to join our international team and contribute to the design, development, and implementation of secure, scalable, and reliable integration solutions and business workflows across complex enterprise environments.

Key Responsibilities

• Design, plan, and implement integration strategies and patterns, including API-led and event-driven architectures, within secure Java EE and HTTP/S environments.
• Apply distributed architecture principles and best practices to solve complex integration challenges between information systems.
• Design, develop, and document secure APIs exposed through public-facing API Gateway platforms.
• Design, implement, and document business events to be produced through corporate event-streaming platforms and consumed by different enterprise systems.
• Design, plan, implement, and deploy business workflows, including process definitions and service or user tasks based on APIs and business events.
• Develop, deploy, and manage integration solutions within containerised infrastructures such as Docker and Kubernetes.
• Implement and maintain CI/CD pipelines for integration components, supporting automated testing, building, and deployment.
• Monitor, troubleshoot, and optimise the performance, reliability, security, and scalability of integration points and data flows.
• Design and implement asynchronous communication and event-driven integration solutions using messaging and publish/subscribe patterns.
• Ensure integration components and workflows comply with organisational standards for security, scalability, maintainability, and operational resilience.
• Collaborate with engineering, architecture, development, and business teams to ensure cohesive integration across enterprise systems.
• Produce comprehensive technical and architectural documentation covering integration patterns, APIs, workflows, and system interactions.
• Prepare operational and design reports to support technical decision-making and knowledge sharing.
• Contribute to the adoption and effective use of open-source technologies and communities relevant to enterprise integration.
• Participate in meetings with international and multicultural stakeholders and technical teams.

What We Are Looking For (Requirements):

• Strong professional experience with HTTP and API design.
• Excellent knowledge of Java EE (JEE) and API development and consumption using both RESTful and SOAP web services.
• Strong experience with at least one BPMN workflow engine.
• Excellent knowledge of asynchronous communication and publish/subscribe technologies such as Apache Kafka and JMS.
• Strong understanding of integration testing best practices.
• Good knowledge of Docker, Kubernetes, and cloud-native architectures.
• Good knowledge of gRPC and Protocol Buffers (Protobuf) for high-performance remote procedure communication.
• Good understanding of distributed and microservice architectures and complex event processing.
• Knowledge of web security principles and authentication and authorisation standards such as OAuth 2.0 and OpenID Connect.
• Experience with Integration Platform as a Service (iPaaS) and Enterprise Service Bus (ESB) solutions such as MuleSoft, Apache Camel, or Oracle Service Bus.
• Experience with API management platforms and tools such as WSO2 or CAPI, including API security, publication, lifecycle management, and analytics.
• Proficiency with CI/CD tools such as Jenkins, Bamboo, or GitLab CI for automating integration solution deployment.
• Good understanding of enterprise integration patterns and distributed system principles.
• Ability to design and document complex integration architectures and patterns.
• Strong problem-solving skills and ability to analyse complex technical integration challenges.
• Ability to contribute to and leverage relevant open-source technologies and communities.
• Excellent written communication skills, with a strong focus on technical documentation.
• Ability to produce clear IT architecture documentation, operational reports, and technical design documents.
• Excellent interpersonal and communication skills.
• Ability to work effectively both independently and as part of a team.
• Ability to operate effectively in an international and multicultural environment.
• Ability to participate in multilingual meetings.
• Good command of English, both written and spoken. Knowledge of French would be considered an additional asset.
• Results-oriented mindset, with a strong focus on delivering high-quality integration solutions.

Minimum level of expertise: Normal.

Optional: A certification in one of the following domains, or an equivalent qualification: JEE, Business Process Management, Microservice Architectures, Domain-Driven Design, Enterprise Integration Patterns, or API Design and Security.

What We Offer:

• Prestigious projects within European institutions.
• International, innovative, and multicultural environments.
• Continuous support from a team of experts in EU projects.
• The opportunity to work with modern integration, workflow, API, and event-driven technologies.
• The opportunity to contribute to complex enterprise integration initiatives with real-world impact.

If you are ambitious, enthusiastic, and seeking a new professional challenge in international projects with real-world impact, this is the place for you!

In accordance with Organic Law 3/2007 of March 22, the company is committed to promoting the defense and effective application of the principle of equality between men and women, preventing any type of labor discrimination based on sex, and guaranteeing equal entry opportunities. Furthermore, we promote diversity and reject any discrimination based on race, gender, functional diversity, religion, sexual orientation, gender identity, or any other personal or social condition, striving to build an inclusive and enriching environment.