PHP Developer Symfony Migration Specialist

Location: Krakow
Contract Type: Contract

• Lead the technical migration of PHP applications from legacy frameworks to modern Symfony 5.x architecture
• Work with PHP 8.x in an agile environment delivering robust scalable web applications
• Join a team actively modernising their technology stack with hands-on development experience

Our client is a technology-focused organisation based in Krakow undergoing a significant digital transformation. Theyre modernising their PHP web applications moving from legacy systems to contemporary frameworks and languages. The company values technical excellence collaborative teamwork and continuous improvement through agile methodologies. Theyre building a development environment where skilled engineers can contribute meaningfully to substantial infrastructure projects.

Our client is seeking an experienced PHP developer to lead their migration from Symfony 3.4 to Symfony 5.x and PHP 7 to PHP 8.x. This is an excellent opportunity to take ownership of critical modernisation work applying your migration expertise to shape the future of their technology platform in Krakow.

As a PHP Developer youll design build and test applications using modern Symfony 5.x and PHP 8.x frameworks. Your primary focus will be managing the migration of existing systems from legacy versions ensuring smooth transitions whilst maintaining application stability and performance. Youll work within an agile environment collaborating with cross-functional teams to deliver high-quality web applications that support the organisations growth and technical objectives.

• Design and build PHP web applications using Symfony 5.x framework with PHP 8.x
• Lead the migration strategy and execution from Symfony 3.4 to Symfony 5.x
• Manage the transition from PHP 7 to PHP 8.x addressing compatibility and optimisation challenges
• Develop and execute comprehensive testing strategies for migrated applications
• Collaborate with team members using agile methodologies to deliver iterative improvements
• Document migration processes and best practices to support team knowledge sharing
• Identify and resolve technical challenges during framework and language upgrades

• 6 to 8 years of professional PHP development experience
• Proven expertise in Symfony framework (ideally versions 3.4 and 5.x)
• Demonstrable experience leading or supporting application migrations
• Strong knowledge of PHP 7 and PHP 8 including version-specific features and changes
• Experience with CakePHP or similar PHP frameworks
• Solid understanding of agile development methodologies
• Ability to design build and test web applications to production standards
• Strong problem-solving skills and attention to code quality

• Opportunity to lead significant technical modernisation projects
• Work with cutting-edge PHP and Symfony technologies
• Collaborative agile environment supporting continuous learning
• Career development through hands-on experience with modern frameworks
• Flexible contract arrangement

Alongside a competitive contract package youll join a forward-thinking organisation committed to technical excellence and collaborative problem-solving where your migration expertise directly shapes their technology future.

To apply for this role please submit your CV using the form below or email