Senior PHP & Symfony Software Engineer - Full-Stack

Stellenbeschreibung:

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.