Application Developer at Guaranty Trust Bank

Built and maintained secure backend systems and APIs powering fintech and payment platforms; designed and implemented authentication and encryption flows (3DS, token-based validation); developed multi-channel payment systems (web, mobile, USSD integrations) used at scale; built Ghana Card verification API enabling identity verification across multiple apps; engineered bulk payment platform (GPH A) supporting high-volume transactions and merchant integrations; contributed to AI-powered internal tools, integrating automation into banking workflows.

Web Developer at Origo

Developed full-stack applications using Node.js and React; built an online pharmacy system with payment gateway integrations; designed a logistics platform for ordering and tracking deliveries; translated Figma designs into scalable, responsive applications; intern for C# and Visual Basic.