Senior PHP Developer (Hybrid) (PTA) at Datafin Recruitment

DUTIES:

• Build scalable PHP applications using Laravel (they run both 6.x and 12.x projects)
• Maintain and evolve RESTful and gRPC APIs that support their Android (Kotlin) and iOS (Objective-C) apps
• Implement real-time features using sockets (WebSockets and gRPC bi-directional streams)
• Lead the design and integration of webhook-based systems (both hosted and third-party)
• Optimise PostgreSQL queries, manage queue workers, and use Redis for caching and job orchestration
• Work on infrastructure-as-code, deployment and scaling via Kubernetes and Bitbucket CI/CD on AWS  
• Mentor junior developers and help standardise development practices and architectural decisions
• Collaborate on upcoming features like IoT data feeds, PTT (Push-to-Talk), and live video stream integrations
• Contribute to debugging cross-platform issues, performance tuning, and incident response

REQUIREMENTS:

• 5+ years of PHP backend experience, with solid Laravel knowledge (preferably across LTS versions)
• Experience building and integrating real-time socket-driven systems (e.g. WebSockets or gRPC)
• Proven ability to design scalable, secure REST and event-driven APIs
• Strong database skills (PostgreSQL preferred, bonus if you’ve used PostGIS)
• Proficiency with Redis (queueing, caching), Docker, and CI/CD workflows
• Exposure to webhook architectures (creating and consuming), and handling external service integrations
• An eye for performance and maintainability, especially across large-scale deployments
• Bonus: experience with PTT, live video/audio feeds, IoT data streaming or BLE integrations
• Bonus: experience improving legacy platforms or introducing developer process/tooling improvements

ATTRIBUTES:

• Proactive mindset and strong problem-solving skills