Senior Front-end Engineer – Intl Projects (Angular/Node)

Altia; Brussel Hoofdstad; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

International environment

Opportunity to work with a major EU‑or

Career growth opportunities

Job summary

Altia is seeking a Senior Front-end Software Engineer to join our international team. You will design and develop scalable frontend solutions using Angular, TypeScript and Node.js, modernising legacy applications and improving code quality and security.

You will contribute to reusable UI components, participate in CI/CD integration, and employ AI-assisted tools to enhance productivity and code quality across European public policy-focused projects.

Qualifications

• Master's degree or equivalent (EQF level 7) required.
• English C1 or higher, written and spoken.
• 10+ years with Node.js, HTML/HTML5, CSS/CSS3, Angular and SOLID.
• Experience with information systems for public policies and regulatory processes.
• Strong knowledge of Angular, TypeScript, HTML5, CSS/SASS and modern frontend practices.
• Experience building modular client-side apps with Web Components and state management.
• Ability to migrate and refactor Angular apps, manage dependencies, and update legacy code.
• Design reusable, responsive, accessible UIs across browsers.
• Experience analyzing large-scale systems with complex architectures and auth configurations.
• Translate business requirements into frontend solutions; design and maintain UI components and frontend features.
• Review architectures and drive improvements in performance, security, accessibility, interoperability and maintainability.
• Knowledge of web security, OAuth and OpenID Connect.
• Improve software quality and security; address Fortify and SonarQube findings.
• Integrate frontend builds into CI/CD pipelines.
• Knowledge of secure development, automated testing and troubleshooting.
• Experience using GPT@EC and EC-compliant Azure ChatGPT for AI-assisted development.
• Experience with Figma MCP, ChatGPT or Claude Opus for UI exploration and troubleshooting.
• Experience using AWS Kiro to accelerate feature delivery, tests and security assessments.

Responsibilities

• Design and develop scalable front-end solutions with Angular, TypeScript and Node.js.
• Modernise legacy applications; improve quality and security.
• Develop reusable UI components and state management patterns.
• Integrate CI/CD pipelines for frontend builds and deployments.
• Leverage AI-assisted tools to boost productivity and code quality.

Skills

Angular

Node.js

TypeScript

HTML5

CSS/SASS

Web Components

SOLID principles

OAuth/OpenID Connect

CI/CD pipelines

AI-assisted development tools

Education

Master's degree or five years of higher education

Tools

Angular

Node.js

TypeScript

HTML5

CSS/SASS

Web Components

Fortify

SonarQube

OAuth/OpenID Connect

CI/CD pipelines

Job description

Altia is seeking a Senior Front-end Software Engineer to join our international team. You will design and develop scalable frontend solutions using Angular, TypeScript and Node.js, modernising legacy applications and improving code quality and security.

You will contribute to reusable UI components, participate in CI/CD integration, and employ AI-assisted tools to enhance productivity and code quality across European public policy-focused projects.