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.