Senior Front-End Software Engineer

Senior Front-End Software Engineer (Angular) Location: Brussels, Belgium Job Type: Full-Time Experience: 17+ Years in IT Education: Bachelor's Degree (EQF Level 6) or equivalent Language: English (CEFR C1 or higher) Note: Contract and payments will be handled exclusively through Upwork. Job Overview We are looking for a highly experienced Senior Front-End Software Engineer to design, develop, and maintain sophisticated web applications. The ideal candidate will have extensive experience in HTML, CSS, JavaScript, Angular, and SASS, with a strong understanding of front-end architecture, responsive design, API integrations, and secure web application development. You will collaborate closely with project managers, UX/UI designers, and backend development teams to deliver scalable, high-performance user interfaces. Key Responsibilities - Design and develop front-end architecture and responsive user interfaces using modern frameworks. - Convert wireframes, UI/UX designs, and functional requirements into high-quality code. - Integrate front-end components with REST APIs and Java backend services. - Implement state management and secure authentication and authorization. - Optimize application performance, accessibility, and responsiveness. - Write unit and integration tests and participate in code reviews. - Maintain technical documentation and follow development best practices. - Work with Git, CI/CD pipelines, and DevSecOps processes. Required Skills & Qualifications - Bachelor's degree (EQF Level 6) or equivalent higher education. - Minimum 17 years of professional IT experience. - At least 15 years of hands-on experience with HTML, CSS, and JavaScript. - Minimum 5 years of experience with Angular and SASS. - Strong understanding of responsive web design and front-end architecture. - Experience integrating REST APIs with backend services. - Excellent spoken and written English (CEFR C1 or higher). Nice-to-Have Skills - Experience with React and Web Components. - Knowledge of OAuth and OpenID Connect. - Understanding of web security best practices. - Familiarity with TDD/BDD and SonarQube. - Experience with Jenkins or Bamboo CI/CD tools. - Hands-on experience with Git, Jira, and Confluence. When applying, please include: - Current location - Total years of professional experience - Angular experience - HTML, CSS, and JavaScript experience - English proficiency level (CEFR) - Availability and notice period