iesfgroup is looking for a Senior PHP Developer specializing in the Symfony framework for a long-term contractor role in Brussels, Belgium. You will be responsible for building and maintaining critical back-end services and web applications, taking ownership from technical design through to deployment, and actively contributing to the evolution of our technical architecture.

What You'll Do

Build and maintain robust back-end services and dynamic web applications using PHP (Symfony) and other modern MVC frameworks.
Take ownership of the full development lifecycle—from technical analysis and design to testing, documentation, and deployment—while ensuring front-end applications meet W3C standards.
Write clean, reliable, and thoroughly tested code by applying best practices and a methodical approach.
Play an active role in shaping and evolving our technical architecture to support future growth and innovation.

What We're Looking For

At least 15 years of professional experience in the IT sector.
A university degree in IT or a related field.
Deep hands-on expertise with the PHP Symfony framework.
Solid background in using MVC-compliant frameworks and scripting languages (e.g., JavaScript/Angular, Node.js), ideally within service-oriented architectures.
Strong knowledge of modern web technologies across data and middle-tier layers.
Proficiency in HTML5, CSS, Angular, and Bootstrap for building responsive, user-friendly interfaces.
Experience working with XML and JSON/REST for managing data flows.
Strong understanding of Oracle RDBMS.
Familiarity with CI/CD practices and tools such as Jira, Git, and Bamboo.
Excellent command of English, both written and spoken.

Nice to Have

Experience with AngularJS is a significant plus.
Exposure to text-mining operations is considered an asset.

Technical Stack

PHP, Symfony, MVC frameworks
JavaScript, Angular, Node.js
HTML5, CSS, Bootstrap
XML, JSON/REST
Oracle RDBMS
Jira, Git, Bamboo

Team & Environment

You will join a multicultural, English-speaking team of seasoned professionals where knowledge exchange is encouraged.

Benefits & Compensation

Impactful Work – Contribute to mission-critical systems and help shape the evolution of the organization’s technical architecture.
Cutting-Edge Projects – Work with modern frameworks (Symfony, Angular, Node.js) and advanced tools (CI/CD, Git, Bamboo) in a service-oriented architecture environment.
Continuous Learning – Opportunities to deepen your expertise in emerging technologies such as text mining, data flows, and next-generation web standards.
Collaboration & Knowledge Sharing – Join a team of seasoned professionals where your experience is valued, and knowledge exchange is encouraged.
Professional Growth – Gain exposure to large-scale, high-impact IT projects and expand your skills across front-end, back-end, and data layers.
Work-Life Balance – Flexible working arrangements to support productivity and well-being.
International Environment – Be part of a multicultural, English-speaking workplace that values diversity and inclusivity.