Middle PHP Engineer

Key Responsibilities  

• Design, develop and support backend modules for our platform serving exhibitions and conferences 
• Build and document robust internal and external RESTful APIs 
• Participate in architecture planning, performance optimization, and system redesign 
• Collaborate with PMs, QA, DevOps, and other engineers to deliver value iteratively 
• Write clean, maintainable, and testable code that others can understand 
• Ensure the reliability, security, and scalability of backend components 
• Apply best practices like SOLID, DRY, and KISS in real-world scenarios 
• Help define coding standards on architectural decisions 
• Design and evolve complex systems leveraging Domain-DrivenDesign (DDD), SOLID principles, scalable patterns, and clean, maintainable code. 

Requirements 

• Extensive experience working with complex legacy codebases — you know how to read someone else's code, make sense of it, improve it, and refactor without breaking the system 
• Proven ability to migrate, optimize, and maintain custom legacy services 
• 3+ years of hands-on backend development with PHP, including at least 2 years in production environments 
• Deep understanding of OOP, design patterns, and clean architecture principles 
• Strong experience with at least one PHP framework: Laravel, Symfony, or Phalcon 
• Confident working with PostgreSQL (or similar RDBMS), including query optimization and performance tuning 
• Solid grasp of SOLID, DRY, and KISS principles — and when to apply them in real-world legacy systems 
• Proficient in Git and comfortable working in a collaborative Git workflow 
• Experience writing and maintaining unit tests (PHPUnit or similar) 
• Comfortable working in agile, cross-functional teams 
• Strong communication skills — able to explain technical concepts clearly to both engineers and non-technical stakeholders 
• Capable of producing and maintaining clear, structured technical documentation 
   

Nice tio have: 

• Experience with cloud platforms and containerization tools like Docker and Kubernetes 
• Familiarity with CI/CD pipelines — GitLab CI, Jenkins, or GitHub Actions 
• Understanding of Domain-Driven Design (DDD) and its practical application 
• Experience with AWS (e.g., EC2, S3, RDS, CloudWatch, Lambda). 
• Skills in frontend technologies: basic JavaScript, HTML5/CSS, or exposure to Angular