David – React, Typescript, Node.js

It's a modern decentralized marketplace built for the Web3 ecosystem, focused on enabling users to discover, buy, sell, and trade NFTs and other digital assets on the Cardano blockchain.

• Implemented on-chain data indexing for blockchain analytics.
• Built a high-availability database using ScyllaDB to handle blockchain and web application loads.
• Developed back-end and front-end components for seamless integration.
• Integrated smart contracts and enabled on-chain interactions.

It's a commission-free, cloud-based restaurant reservation platform that lets restaurants take online bookings 24/7, manage tables, and engage guests from a single dashboard.

• Designed and developed automated post-booking customer satisfaction forms.
• Implemented dynamic form logic and validation for accurate data capture.
• Integrated feedback system with backend APIs and database storage.
• Enabled automated email/SMS triggers after reservation completion.
• Improved restaurants’ ability to measure guest satisfaction.

It's a Québec-based online food ordering and delivery platform that helps local restaurants, food shops, and grocery stores offer online ordering, pickup, and delivery services to their customers.

• Handled order creation and payment processing for seamless transactions.
• Managed order dispatching to delivery partners for efficient fulfillment.
• Developed menu creation and management features for easy updates.
• Implemented performance optimization and security enhancements.

It's a web-based platform designed to simplify the configuration and pricing of customizable products.

• Designed and implemented product configuration logic for customizable options.
• Built user interface for feature selection and real-time pricing visualization.
• Developed back-end APIs and pricing engine for accurate calculations.
• Designed and managed database schema to support complex configurations.
• Implemented automated PDF quote generation for streamlined sales.
• Handled deployment and overall system architecture for scalability.