Senior PHP & Symfony Software Engineer - Full-Stack

Jobtailor; Deutschland; Vor Ort; EUR 70.000 - 100.000; Vollzeit

Zusammenfassung

Jobtailor is seeking a seasoned PHP/Symfony backend engineer in Germany to design, develop and maintain high-quality systems. You will own features end-to-end, write strongly-typed, easily maintainable code, and promote secure coding practices while mentoring juniors.

Responsibilities include driving tests with PHPUnit/Behat, participating in code reviews, and collaborating with product, design and QA teams to deliver robust solutions.

Qualifikationen

• 5+ years of professional PHP experience (7.4 / 8+)
• 3+ years hands-on Symfony framework experience
• Strong understanding of design patterns
• Solid experience with unit and integration testing (PHPUnit, Behat, or similar)
• Hands-on experience with TDD
• Familiarity with static analysis tools (PHPStan, Psalm, or similar)
• Strong understanding of CI/CD pipelines, code coverage, and deployment workflows
• Excellent technical communication and ability to defend technical decisions
• High ownership mindset and accountability

Aufgaben

• Design, develop, and maintain backend systems using PHP and Symfony.
• Own features end-to-end from ticket creation to production release.
• Write clean, strongly-typed, maintainable, and testable code.
• Apply design patterns thoughtfully and consistently.
• Build and maintain comprehensive automated test coverage (PHPUnit, Behat).
• Promote TDD practices and use static analysis and linters for quality.
• Participate in code reviews and mentor juniors.
• Collaborate with product, design, and QA teams to deliver robust solutions.
• Break down complex initiatives into actionable tasks and guide implementation.
• Monitor systems and participate in on-call rotation when required.
• Document architecture, decisions, and processes for team knowledge sharing.

Kenntnisse

PHP

Symfony

TDD

Unit Testing

Design Patterns

CI/CD

Static Analysis

Code Quality

Behat

Tools

PHPStan

Psalm

Behat

Linters

Code Quality Tools

Jobbeschreibung

• Design, develop, and maintain high-quality backend systems using PHP and Symfony
• Own features end-to-end, from ticket creation and technical design to production release
• Write clean, strongly-typed, maintainable, and testable code that meets strict quality standards
• Apply design patterns thoughtfully and consistently
• Build and maintain comprehensive automated test coverage using PHPUnit and similar tools
• Follow and promote Test-Driven Development (TDD) practices
• Use static analysis, linters, and code quality tools to ensure reliability and consistency
• Participate actively in code reviews, providing and receiving constructive feedback
• Collaborate closely with product, design, and QA teams to deliver robust solutions
• Break down complex initiatives into well-defined, actionable tasks and guide implementation
• Monitor systems and participate in a rotating on-call schedule when required
• Promote secure coding practices and ensure code is free from known vulnerabilities
• Document architecture, decisions, and processes to support team-wide knowledge sharing
• Mentor junior and mid-level engineers and contribute to a strong engineering culture

Requirements

• 5+ years of professional experience with PHP (7.4 / 8+)
• 3+ years of hands-on experience with the Symfony framework
• Strong understanding and practical use of design patterns
• Solid experience with unit and integration testing (PHPUnit, Behat, or similar)
• Hands-on experience with Test-Driven Development (TDD)
• Familiarity with static analysis tools (PHPStan, Psalm, or similar)
• Strong understanding of CI/CD pipelines, code coverage, and deployment workflows
• Excellent technical communication skills and ability to explain and defend technical decisions
• High ownership mindset and strong sense of accountability

Core Competencies

Demonstrates expertise in PHP and Symfony for backend system development, with a strong focus on Test-Driven Development, automated testing, and code quality practices. Capable of mentoring engineers and collaborating effectively across teams to deliver high-quality software solutions.

Highest-signal resume keywords

• PHP 7.4 / 8+
• Symfony Framework
• Test-Driven Development (TDD)
• PHPUnit
• Design Patterns

Hard Skills

• Backend Development
• Unit Testing
• Integration Testing
• Static Analysis
• CI/CD Pipelines
• Code Coverage
• Automated Testing
• Clean Code Practices
• Technical Documentation
• Secure Coding Practices

Soft Skills

• Technical Communication
• Mentoring
• Collaboration
• Accountability
• Feedback Reception

Tools & Technologies

• PHPStan
• Psalm
• Behat
• Linters
• Code Quality Tools