Senior PHP Full-Stack Developer

Senior software engineer (20+ years) specializing in PHP (Slim Framework) and full-stack development. I thrive on building efficient and scalable solutions. I have worked all over the stack, backend, frontend, DevOps, CloudOps. Experience: Designed, developed, and deployed diverse projects: from static websites to backend services for terminals integrated with third-party terminal management software. Extensive API experience: Building REST APIs, integrating with third-party APIs (Smartcall, Clickatell, Panacea Mobile, Webfleet). Strong database skills: MySQL optimization and management. Payment gateway integrations: Pay@, Payfast, Mygate, Ozow. Prepaid debit card management system integrations including tooling for reconciliation between systems. File processing from various third-party systems. Working with third-party vendors developing software interfacing with systems which I am building (i.e. terminal management software talking via REST API's for vending Airtime, Electricity, etc.)