Brussels Full-Stack PHP & JS Engineer: Modernize & Secure

In4Matic; Brussel Hoofdstad; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

In4Matic is seeking an experienced Full-Stack Developer to contribute to the ongoing development and modernization of a business-critical digital platform. You will work across the full stack in a production environment where security, reliability and service continuity are priorities.

This role offers ownership of existing applications and opportunities to drive technical improvements. You will design, develop, and maintain web applications, build REST APIs, and modernize legacy components.

Qualifications

• Proven experience with PHP and modern JavaScript.
• Experience with Laravel; Symfony welcome.
• Vue.js experience considered advantageous.
• Strong SQL, REST APIs, and Git knowledge.
• Ability to work independently across the full stack.
• Experience maintaining production applications and secure coding practices.
• Proactive, autonomous mindset with willingness to learn new technologies.
• Experience with legacy modernization or high-availability environments a plus; public sector experience is an asset.

Responsibilities

• Design, develop, test and maintain web applications across the backend and frontend.
• Build and integrate REST APIs and contribute to the evolution of application architecture.
• Take ownership of an existing codebase, modernizing legacy components and improving maintainability.
• Identify and resolve technical issues, including security vulnerabilities and production incidents.
• Refactor code to improve architecture, performance and maintainability.
• Ensure application stability, security and reliability through testing and reviews.
• Document technical developments and collaborate with developers, analysts and other stakeholders.

Skills

PHP

JavaScript

REST APIs

Git

Full stack development

Security best practices

Tools

Laravel

Symfony

Vue.js

SQL

Job description

In4Matic is seeking an experienced Full-Stack Developer to contribute to the ongoing development and modernization of a business-critical digital platform. You will work across the full stack in a production environment where security, reliability and service continuity are priorities.

This role offers ownership of existing applications and opportunities to drive technical improvements. You will design, develop, and maintain web applications, build REST APIs, and modernize legacy components.