PHP Developer

Project Details

• Contract duration: 4 months
• Remote work: 100%
• No business travel
• Own equipment required
• B2B contract
• Rate: 50-160 PLN/h

About the project

We are looking for an experienced consultant to support a PHP application modernization initiative. The main goal is to validate application behavior after upgrading the codebase to a newer PHP version, ensure overall code quality, and improve technical documentation.

The ideal candidate combines strong PHP development knowledge with a QA-oriented mindset and is comfortable reviewing code, identifying compatibility issues, performing functional validation, and documenting technical changes.

Responsibilities

• Analyze existing PHP codebases and identify potential compatibility issues after PHP upgrades.
• Perform functional and technical validation of applications following code modernization.
• Execute code reviews and recommend improvements.
• Create and maintain technical documentation describing application behavior and implemented changes.
• Work closely with developers to resolve issues identified during testing and validation.
• Validate integrations, APIs and business-critical functionality impacted by version upgrades.
• Support knowledge transfer and documentation activities.

Requirements

Must Have

• 5+ years of experience with PHP development.
• Strong understanding of legacy PHP applications and version migrations.
• Experience reviewing PHP code and validating application functionality.
• Good technical documentation skills.
• Experience with MySQL.
• Experience working with APIs (REST/SOAP).
• Strong analytical and problem-solving skills.
• Ability to work independently.

Nice to Have

• Previous QA or Software Quality experience.
• PHPUnit experience.
• Experience with Symfony, Laravel or similar PHP frameworks.
• Experience documenting legacy systems.
• Experience performing application modernization projects.