**Adaeze Okonkwo** Lagos, Nigeria | Senior Software Engineer (Fintech) [Email Address] | [Phone Number] | [LinkedIn Profile] **Professional Summary** Results-oriented Senior Software Engineer with over 8 years of experience in the Fintech industry. Expert in building scalable payment gateways, ensuring regulatory compliance (NDPR/PCI-DSS), and leading cross-functional teams to deliver high-availability financial products. **Core Competencies** * **Fintech:** Payment Processing, Digital Wallets, Fraud Detection Systems. * **Tech Stack:** Go, Java (Spring Boot), PostgreSQL, Docker, Kubernetes, AWS. * **Leadership:** Agile Project Management, Mentorship, System Architecture. **Professional Experience** **Lead Engineer | PayStream Africa, Lagos** *January 2021 – Present* * Architected a microservices-based payment switch handling 500k+ transactions daily with 99.9% uptime. * Reduced transaction latency by 40% through optimized database indexing and caching strategies. * Led a team of 12 engineers in the successful integration of 5 major Nigerian commercial banks. **Senior Backend Developer | WealthTech Solutions, Lagos** *June 2017 – December 2020* * Developed the core ledger system for a wealth management app with $50M+ in Assets Under Management. * Implemented automated KYC verification workflows, reducing onboarding time by 60%. **Education** **B.Sc. Computer Science** | University of Lagos (UNILAG)