Senior PHP Software Engineer

Wakacje.pl is an e-commerce platform and a network of travel agencies offering a wide range of travel products. Since 2015, it has been part of Wirtualna Polska Holding – Poland's largest group of media and e-commerce companies. Together with Travelplanet.pl and the Invia brands across CEE, they are building a unified travel group driven by a shared #TravelMindset.

• 7+ years of experience with PHP 7.x/8.x
• Proficiency in major PHP frameworks in a multi-framework environment (Symfony, Laravel, Slim), with minimum 3–4 years of production experience
• Hands-on experience with REST API design and development
• Experience writing automated tests with PHPUnit (unit and integration testing)
• Familiarity with the Linux command line (basic level required)
• Strong understanding of relational databases and SQL (PostgreSQL) including schema design, query optimization, indexing, and transactions
• Working knowledge of NoSQL / caching technologies (Redis, Elasticsearch)
• Experience with Git/GitHub (pull requests, code review) and Docker
• Knowledge of OOP, SOLID principles, and design patterns
• Sound architectural judgment with the ability to select appropriate solutions and avoid over-engineering
• Experience with event-driven architecture and message queues
• English proficiency at B2+ level (communicative)

Soft Skills:

• Strong communication skills to explain and justify technical decisions
• Analytical thinking and problem-solving
• Collaboration and mentoring abilities, planning with Team Lead and leading development sessions

Nice to have / Willingness to learn:

• Hands-on experience with Docker and Elasticsearch
• Experience with message brokers like RabbitMQ
• Knowledge of visualization tools like Kibana or Grafana
• Experience contributing to CI/CD pipelines
• Additional programming languages (Go, Python, JavaScript, TypeScript)
• SEO knowledge in an e-commerce context

• Support the Team Lead in designing the architecture of services and broader technical solutions, collaborating closely on planning and roadmap decisions
• Consult with the area Architect to ensure proposed solutions align with overall system architecture and standards
• Lead regular mentoring sessions with developers, supporting their technical growth and code quality
• Evaluate architectural options critically, selecting solutions that fit actual business and technical needs while avoiding over-engineering
• Design and maintain REST APIs and event-driven/queue-based integrations across services
• Ensure code quality and reliability through unit and integration testing (PHPUnit) and active participation in code reviews