Backend Developer (PHP)💰Salary: 15 000-27 000 PLN (B2B), 12 000-25 000 PLN (CoE)📍Warsaw, Poland (Hybrid)☑️ Full-time🕦 B2B contract or CoEWe’re looking for a PHP Backend Developer to join a Swiss IT company that creates and grows digital products as a long-term partner, not a vendor. The company develops and maintains complex platforms across aviation, finance, B2B commerce, and recruitment, with all engineering done internally to ensure clear ownership, fast feedback, and high technical quality.Requirements Minimum 3 years of commercial experience with PHP Experience with Symfony, Slim, or other PHP frameworks At least 3 years of experience working with Linux environments Experience with relational databases, preferably PostgreSQL Experience with message brokers (RabbitMQ or similar) Understanding of backend architecture and system integration Experience working with Git and participating in code reviews (GitLab preferred) English proficiency sufficient for daily communication with colleagues and project managers Nice to Have Commercial experience with Golang Experience with Elasticsearch or other full-text search solutions Familiarity with configuration management tools such as SaltStack or Vagrant Understanding of frontend tasks, tools, and collaboration workflows Experience or strong interest in AI-related solutions Responsibilities Participate in architectural discussions and decisions together with the team Write, adapt, and maintain backend code using appropriate technologies and frameworks Develop automated tests and follow TDD practices Improve and optimize interactions with databases Build and maintain system components using RabbitMQ Configure and maintain full-text search solutions Configure Linux virtual servers and diagnose production issues Participate in code reviews and maintain code quality using GitLab Create and maintain clear and up-to-date API documentation Collaborate closely with frontend developers to find optimal technical solutions We also offer Company-provided work equipment Fully paid sick leave Complimentary lunches Annual salary review 75% reimbursement for professional education Free weekly English classes Get to know DevsData:We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/