SAMUEL LAWAL

Developed a bill payment service in ASP.NET Core integrating third-party APIs and improving transaction success rates by 30% using enhanced error handling and retry mechanisms. Delivered test-driven RESTful APIs and batch processing to reduce processing time by 40%, and improved reliability with structured logging and distributed tracing.

Designed and enhanced enterprise healthcare applications, APIs, and background processing services supporting 9,000+ organizations and 3 million+ patients daily. Upgraded revenue cycle management components driving $202.5M annual revenue, optimized back-end services by 30%, and improved backup/migration efficiency by 70% to support HIPAA compliance.

Automated payment workflows to boost staff productivity by 70% and improve customer satisfaction. Built Redis-backed payment performance improvements and implemented API integrations (e.g., MODULR FINANCE and UBER) to improve payment service delivery to 98%, while optimizing legacy application and database performance by 60%.

Developed applications for dispense-error resolution and refunds for ~25 million customers, improving efficiency by 90%, and built a settlement application automating stamp duty charges (weekly average $137K revenue). Engineered POS reconciliation software to reduce reconciliation/payment time from 2 days to under 24 hours and built loan-availing services for 15,000+ daily customers/merchants, con

Activities and societies: Trained 12 students on the basics of web design (HTML & CSS).

Bachelor of Engineering in Civil Engineering at the University of Ilorin from 2012 to 2017. Trained 12 students on the basics of web design (HTML & CSS).