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Ozebo Charles

@ozebocharles

Backend developer at Teyzix Core who built shipment tracking and support APIs; creator of Prepcore, an exam-prep platform for JAMB and WAEC candidates.

Nigeria

Message

What I'm looking for

I’m seeking remote backend engineering internships, part-time, and contract roles.

At Teyzix Core, I built a logistics and shipment management API with a five-stage tracking workflow, then developed a customer support ticket API with assignment, reply threads, and dashboard statistics.

At InternFlare, I architected RESTful APIs with Flask and PostgreSQL, reducing data retrieval time by 30% through query optimization and indexing. I also implemented JWT authentication and role-based access across more than 15 endpoints.

I built and shipped Prepcore, a full-stack exam-prep platform for Nigerian JAMB and WAEC candidates, with more than 10,000 past questions across 10 subjects. I’m seeking remote backend engineering internships, part-time, and contract roles.

Experience

Work history, roles, and key accomplishments

Backend Developer Intern

Teyzix Core

Jun 2026 - Jul 2026 (1 month)

Built a Logistics & Shipment Management API in Node.js/Express with JWT auth and a 5-stage shipment tracking workflow. Developed a Customer Support Ticket Management API with role-based assignment and dashboard statistics endpoints, documenting all endpoints with Swagger/Postman.

NodeJS Express JWT Role Based Access Control Swagger Postman Input Validation Error Handling Pagination

Backend Developer Intern

InternFlare

Sep 2025 - Mar 2026 (6 months)

Architected RESTful APIs using Flask and PostgreSQL, cutting data retrieval time by 30% through query optimization and indexing. Implemented JWT authentication with role-based access control across 15+ endpoints and deployed a production system with structured logging.

Flask PostgreSQL REST APIs JWT Role Based Access Control Query Optimization Indexing Structured logging