Senior Native PHP Developer

📋 Description

• Design, develop and maintain robust backend services in native PHP (7/8), with clean, testable and well-documented code.
• Build and optimize high-volume transaction and billing workflows with reliability and data integrity.
• Develop and maintain REST/SOAP APIs for operator, merchant and third-party integrations.
• Work with relational databases (MySQL/MariaDB/PostgreSQL): schema design, query optimization, indexing and performance tuning.
• Integrate with external systems and gateways (payment, messaging/SMS, USSD, carrier connections, monitoring, billing).
• Implement asynchronous processing using message queues (RabbitMQ, Kafka) and caching layers (Redis/Memcached).

🎯 Requirements

• Expert-level native/core PHP (7/8), solid OOP, design patterns, and clean architecture.
• Proven experience with high-throughput, transactional backend systems.
• Strong SQL skills (MySQL/MariaDB/PostgreSQL): modeling, optimization, debugging.
• Solid experience designing and consuming REST/SOAP APIs.
• Comfort with Linux environments, Git and CI/CD workflows.
• Familiarity with message queues (RabbitMQ/Kafka), caching (Redis), and asynchronous processing.