Front-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 Front-end Software Engineer to join an international environment supporting the architecture and development of critical digital systems used by European institutions and stakeholders. Based in Brussels (hybrid, with regular on-site presence), you will design and build modern, secure and high-performance user interfaces for large-scale grant management and workflow platforms. Working within a multicultural environment, you will collaborate with architects, UX/UI designers, developers and service managers to deliver scalable, accessible and user-friendly solutions.

What you'll do
• Design and develop the front-end architecture of complex web applications.
• Translate wireframes, mock-ups and prototypes into functional, high-fidelity web pages and reusable components, in collaboration with UX/UI designers.
• Build user interfaces using Angular and modern front-end frameworks, libraries and web standards.
• Implement state management solutions to handle data flow within complex applications.
• Develop responsive and accessible applications optimised for performance across different browsers and devices.
• Integrate front-end components with REST APIs and other application services.
• Apply data and security best practices, including input validation, authentication and authorisation, secure storage and compliant logging.
• Write clean, maintainable and reusable code and take part in code reviews.
• Perform unit, component, integration and end-to-end testing; debug, fix and validate code changes.
• Analyse code, data and processes to troubleshoot issues and identify areas for improvement.
• Write technical documentation. What we're looking for
• University degree corresponding to Level 7 of the European Qualifications Framework (typically a Master's degree) and minimum 5 years of professional IT experience, or a university degree corresponding to Level 6 (typically a Bachelor's degree or 3 years of higher education) and minimum 7 years of professional IT experience.
• Proven experience as a Front-end Developer or Software Engineer on complex web applications.
• Strong proficiency in HTML5, JavaScript/TypeScript, CSS3 and SASS.
• Strong proficiency in Angular, including modern concepts such as Signals.
• Experience building complex, modular client-side applications using Web Components, micro frontends and state management patterns.
• Experience with web security and authentication/authorisation protocols (OpenID Connect, JWT).
• Experience with Git, JIRA, Confluence and CI/CD pipelines (GitLab), including integrating front-end builds into pipelines.
• Experience with responsive and adaptive design.
• Knowledge of front-end testing frameworks and tools for unit and integration testing.
• Good understanding of API integration patterns (consuming REST APIs, error handling, caching strategies) and dynamic UI component integration (loading, event communication).
• Experience with performance optimisation of web applications and code review practices.
• Ability to work in a team as well as autonomously, with a results-oriented mindset.
• English or French language proficiency at B2 level or higher. Nice to have
• Experience leveraging AI agent technologies during development and integrated into applications (MCP, Skills, Amazon Q/Kiro, spec-driven development, context engineering).
• Experience with client-side monitoring tools such as Dynatrace Real User Monitoring.
• Experience with Content Delivery Networks such as AWS CloudFront.
• Experience with grant management or workflow-based systems.
• 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.