Disu Oluwatoyin Joseph. Software Engineer building production-grade systems with Node.js, Go, Python, PostgreSQL, and distributed messaging.
I build backend systems, APIs, and data workflows for products that need reliability, traceability, and clean operational behavior. My work spans financial transaction workflows, audit logging, database migrations, PostgreSQL-backed systems, device intelligence, fraud-risk workflows, and production SaaS platforms.
Currently engineering backend services for identity and fraud prevention systems at Ziru Technology. Previously contributed to booking infrastructure at Hotels.ng. I also build and maintain QRVEST, a real production product for restaurants and hotels.
Based in Nigeria · Remote-first · Open to global opportunities
QRVEST, a multi-tenant ordering platform for restaurants and hotels with digital menus, QR-code ordering, payments, inventory tracking, customer retention workflows, realtime order updates, and background processing.
Built and maintain a production platform for digital menus, QR-code ordering, menu management, payments, inventory tracking, and customer retention. The system uses PostgreSQL for transactional consistency, WebSockets for realtime order updates, background workers for email, audit logs, and customer workflows, and a multi-tenant architecture for restaurants and hotels.
Lightweight TCP-based event broker that allows producers to publish messages and consumers to subscribe to queues and topics, receive messages, ACK or NACK them, and handle retries and dead-letter flows.
Open to Backend Engineer and Software Engineer roles focused on APIs, data systems, reliability, fintech, identity, or developer tooling. Remote or relocation considered.