Built a scalable blog backend system with NestJS, designing 12 relational entities and 30+ REST endpoints supporting posts, comments, categories, tags, likes, and bookmarks while implementing access control and Swagger API documentation. Engineered the domain architecture using 6 modular services, relational modeling (many-to-many and hierarchical comments), database constraints, and indexed queries, enabling efficient content management and user engagement workflows.

Backend Developer Intern (Java Spring) at FLEXISAF EDUSOFT LIMITED

September 1, 2025 - December 1, 2025

Designed and maintained RESTful APIs using Java and Spring Boot, supporting core application workflows. Resolved backend-frontend integration issues by implementing backward-compatible request handling for inconsistent payload keys, reducing API-related errors. Established and optimised 6+ API endpoints, improving response reliability and system stability. Identified and fixed 10+ backend bugs through recall testing and log analysis. Collaborated with frontend developers to debug and validate API contracts before deployment. Reduced integration-related API errors by ~20 - 30% during frontend testing by introducing fallback handling and stricter payload validation.

Assistant Technical Officer at RATEL-PLUS NIGERIA

July 1, 2025 - Present

Facilitated network services and system configurations across multiple operational sites. Assisted with infrastructure updates, routine maintenance, and deployment support for production systems. Improved overall system reliability by ~15% through proactive troubleshooting, configuration standardization, and faster incident resolution. Worked with senior engineers to diagnose connectivity issues and reduce recurring network disruptions. Provided on-site and remote technical support to ensure smooth program execution.

Java Programming Intern at CODEALPHA

February 1, 2025 - April 1, 2025

Planned and developed a full-stack Attendance Management System using Java, Servlets, MySQL. Engineered secure authentication and role-based access control (RBAC), alongside comprehensive CRUD operations for student and attendance management. Architected relational database schemas and implemented the DAO pattern to isolate business logic from data access layers. System supported 50+ student records and 1,000+ attendance entries during testing and demonstrations. Reduced manual attendance tracking time by ~60% compared to spreadsheet-based workflows.