We are seeking a skilled Backend Engineer (PHP) to design, build, and maintain robust, scalable server-side applications and high-performance APIs. In this role, you will develop core business logic using modern PHP (8.x) and frameworks such as Laravel or Symfony, optimize complex database queries and schemas in MySQL or PostgreSQL, and integrate essential third-party services. You will collaborate closely with frontend engineers, DevOps teams, and product managers to architect secure, fault-tolerant systems, write comprehensive automated tests, and streamline application throughput using caching solutions like Redis. The ideal candidate possesses a strong grasp of OOP principles, RESTful architecture, and design patterns, alongside hands-on experience identifying performance bottlenecks and delivering reliable code in containerized (Docker) CI/CD environments.