Back-end Software Engineer

At Ayesa Digital, we grow with you 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 Back-end Software Engineer (Java) to join an international environment supporting internal and cross-European information systems in the financial services domain used by European institutions and stakeholders. Based in Brussels, with on-site presence when required on short notice, you will develop and maintain the back-end of business-critical applications, from APIs and business logic to data storage and security. Working within a multicultural environment, you will collaborate with front-end developers, project managers and national authorities to ensure secure, scalable and high-quality software.

What you'll do
• Develop back-end web applications and implement core business logic
• Design and develop secure APIs and integrate them with front-end components
• Design and implement data storage solutions
• Apply security best practices: input validation, authentication and authorisation, secure storage, logging and monitoring
• Optimise applications for speed and scalability
• Resolve incidents by fixing bugs and applying data patches
• Write unit and integration tests and integrate them into CI/CD pipelines
• Configure cloud services for back-end functionality (e.g. serverless functions, storage, managed Kubernetes)
• Analyse logs, data and code to troubleshoot problems and propose improvements
• Write technical documentation and keep Confluence and Jira up to date What we're looking for
• Master's degree in Computer Science/Informatics or Electronic Engineering and a minimum of 5 years of IT professional experience, or bachelor's degree in these fields and a minimum of 7 years
• At least 5 years of experience in back-end development
• At least 5 years of experience with Java
• Solid experience with Spring Boot, Hibernate/JPA and SQL databases
• Experience with REST API development, Agile and the software development lifecycle
• Experience with CI/CD pipelines, Git, Docker and cloud platforms (AWS, Azure or equivalent)
• Knowledge of application security (authentication, authorisation, secure APIs, OWASP)
• At least 2 years of experience working in an international/multicultural environment
• English language proficiency at C1 level or higher, spoken and written
• Eligibility for EU security clearance Nice to have
• Java, Spring, Oracle Database or Scrum certifications
• Previous experience in European institutions or in the financial sector

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.