Senior Technical Architect | EU Institutions

Ayesa Digital; Brussel Hoofdstad; Hybrid; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Prestigious EU projects

International & multicultural teams

Continuous expert support in EU works

Job summary

Ayesa Digital in Brussels is seeking a Senior Technical Architect to lead the technical architecture of enterprise web applications in an international, hybrid setting. You will steer development teams, design scalable and secure solutions, and ensure alignment with business goals across EU projects.

The role demands 15+ years in IT, strong backend with Java/Spring/Hibernate, RESTful APIs, and cloud/Docker/Kubernetes expertise. English or French at B2 level or higher is required.

Qualifications

• Master's degree (EQF level 7) and at least 15 years of IT professional experience.
• Strong knowledge of software architecture and design patterns (layered, event-driven, domain-driven design).
• Experience with microservices and distributed systems architecture.
• Back-end expertise in Java, Spring Boot and Hibernate; experience with WebLogic, JEE and EJB.
• Experience with relational databases (PostgreSQL, Oracle, MySQL) and complex SQL.
• Experience designing and securing RESTful APIs, including OpenAPI/Swagger documentation.
• Experience with cloud platforms (AWS, Azure or OVH), Docker and Kubernetes, CI/CD and DevSecOps practices.
• Experience with Jira, Git, Bitbucket and Agile/Scrum methodologies.
• Ability to present architectural decisions to both technical and business stakeholders.
• English or French language proficiency at B2 level or higher.

Responsibilities

• Design and implement technical architecture and implementation guidelines for systems and applications.
• Gather technical requirements with stakeholders and ensure solutions align with business objectives.
• Develop prototypes and proofs of concept, and evaluate and recommend tools, frameworks and technologies.
• Define non-functional requirements, service level objectives and capacity and scalability plans.
• Implement observability (logging, metrics, tracing) and reliability patterns.
• Design and develop APIs, data storage solutions and core business logic.
• Develop and maintain features across the full stack, from user interfaces to server-side logic and databases.
• Provide technical leadership to development teams and conduct code reviews.
• Identify and mitigate technical risks related to performance, security, dependencies and technical debt.
• Create and maintain technical documentation (component designs, sequence diagrams, API specifications, runbooks).

Skills

Java

Spring Boot

Hibernate

Relational databases

PostgreSQL

Oracle

MySQL

RESTful APIs

OpenAPI/Swagger

Cloud platforms

AWS

Azure

OVH

Docker

Kubernetes

CI/CD

DevSecOps

Microservices

Distributed systems

Jira

Git

Bitbucket

Agile/Scrum

English (B2)

French (B2)

Education

Master's degree (EQF level 7)

Tools

Jira

Git

Bitbucket

Docker

Kubernetes

OpenAPI/Swagger

AWS

Azure

Job description

Every professional in our company is vital to us. Thanks to their talent, we continue to expand; today, we are a global team of over 11,000 people working toward a common goal.

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

We are looking for an experienced Senior Technical Architect t to join an international environment supporting the corporate IT systems that manage calls, proposals and grants for European institutions and stakeholders.

Based in Brussels (hybrid, with on-site presence one day per week), you will design and drive the technical architecture of enterprise web applications, providing technical leadership to development teams and ensuring solutions are scalable, secure and aligned with business goals.

What you'll do

Design and implement technical architecture and implementation guidelines for systems and applications.

Gather technical requirements with stakeholders and ensure solutions align with business objectives.

Develop prototypes and proofs of concept, and evaluate and recommend tools, frameworks and technologies.

Define non-functional requirements, service level objectives and capacity and scalability plans.

Implement observability (logging, metrics, tracing) and reliability patterns.

Design and develop APIs, data storage solutions and core business logic.

Develop and maintain features across the full stack, from user interfaces to server-side logic and databases.

Provide technical leadership to development teams and conduct code reviews.

Identify and mitigate technical risks related to performance, security, dependencies and technical debt.

Create and maintain technical documentation (component designs, sequence diagrams, API specifications, runbooks).

What we’re looking for

Master's degree (EQF level 7) and at least 15 years of IT professional experience.

Strong knowledge of software architecture and design patterns (layered, event-driven, domain-driven design).

Experience with microservices and distributed systems architecture.

Back-end expertise in Java, Spring Boot and Hibernate; experience with WebLogic, JEE and EJB.

Experience with relational databases (PostgreSQL, Oracle, MySQL) and complex SQL.

Experience designing and securing RESTful APIs, including OpenAPI/Swagger documentation.

Experience with cloud platforms (AWS, Azure or OVH), Docker and Kubernetes, CI/CD and DevSecOps practices.

Experience with Jira, Git, Bitbucket and Agile/Scrum methodologies.

Ability to present architectural decisions to both technical and business stakeholders.

English or French language proficiency at B2 level or higher.

Nice to have

Knowledge of European open-source projects and reusable components (e.g. eUI).

Experience with AI-assisted coding tools (e.g. Amazon Q, Kiro).

Knowledge of architecture documentation practices (C4 model, ADRs).

Experience in project management and planning.

Previous experience working within European Institutions or large international organisations.

What We Offer:

Prestigious projects within European institutions.

International, innovative, and multicultural environments.

Continuous support from a team of experts in EU projects.

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.