David Val-Izevbigie

Worked as Full Stack Engineer at Punch Group.

Worked as Software Developer at Syllabux.

Developed and maintained a real-time chat system and in-app transactions platform for peer-to-peer transfers, bill payments, and wallets. Integrated secure payment workflows separating platform fees, seller payouts, and VAT using Paystack Titan APIs in a multi-vendor eCommerce system. Built offline-first desktop educational apps (ElectronJS) with background synchronization to a central server for

Led development of StockPulse AI POS and inventory intelligence system for real-time stock and sales operations. Implemented transactional consistency and real-time inventory tracking, reducing discrepancies across business workflows. Designed AI-driven demand forecasting and profit optimization systems for data-informed decision-making. Built fintech payment infrastructure with Paystack integrati

Designed and launched an AI-powered inventory and POS system with real-time stock tracking, multi-channel sales, and predictive demand forecasting. Built scalable backend architectures supporting batch inventory updates, loyalty programs, and transaction workflows (sales, refunds, discounts). Developed mobile apps with offline capabilities using local SQLite databases and PIN-based authentication

Worked as Web Developer at VII Tech Savy .

Delivered fullstack web and mobile solutions for multiple clients across industries. Designed backend systems and integrated responsive frontend applications. Improved performance, scalability, and reliability of deployed applications.

Built fullstack systems tailored to client requirements. Integrated back-end services with responsive, cross-device front-ends. Tested, optimized, and refactored code to improve performance and reliability.

Worked as Mechanical Engineering Intern at Aero Contractors of Nigeria Ltd.