Architected scalable, fault-tolerant APIs for TAM mobile banking application, enhancing system reliability and user experience. Implemented server-sent event architecture for real-time updates in TAM Banking Application, improving data delivery efficiency. Integrated KFH middleware to develop WAMD services, enabling swift and reliable financial transactions for thousands of users. Optimized CI/CD pipeline for TAM microservice APIs using Bamboo and Octopus Deploy, reducing deployment time by 60% across Development and UAT environments.

Senior Java Engineer (Contract) at Digi Kolo Finance

December 1, 2023 - December 1, 2023

Developed and managed microservice APIs on AWS EC2 with Docker, streamlining deployment processes via CI/CD pipelines. Designed idempotency features using RabbitMQ, eliminating duplicate transaction risks and ensuring data integrity. Built non-blocking RESTful APIs with Vert.x, boosting thread utilization efficiency by 90% for high-performance applications.

Java Backend Engineer at The Code Department - Access Bank Plc

May 1, 2023 - May 1, 2023

Spearheaded integration of First Central and CRC credit bureau APIs with retry mechanisms, ensuring robust credit score validation with double-check business rules for Access Plc’s Digital Loan Platform. Led migration from Flexcube 12 to Flexcube 14x APIs, enhancing loan disbursement and liquidation processes for efficiency. Provided technical leadership for USSD channel Digital Loan platform for South Africa subsidiary, driving system design and implementation. Conducted load testing with Apache JMeter, resolving performance bottlenecks and improving API latency and throughput.