Ernesto Heres

1. Business Websites for Small Businesses (React, AWS)

• Developed and deployed two custom websites for small businesses in collaboration with one other developer.
• Built responsive, modern interfaces using React and ensured smooth deployment using AWS (EC2, S3).
• Delivered scalable and easy-to-maintain solutions that supported the businesses' digital presence.

2(in development). Rental Platform Template (Next.js, Nest.js, MySQL, AWS)

• Collaborated with another developer to create a feature-rich rental platform template, designed for future resale to multiple businesses.
• Backend: Designed and implemented core backend features, including booking functionality, payment handling (Mollie integration), merchant payouts with admin fees, and API endpoints for listings.
• Frontend: Built and optimized dynamic interfaces, including location autocomplete for listing creation and an interactive map feature using Mapbox to display listings. Also created animations for a smooth user experience.
• DevOps: Handled deployment on AWS (EC2, S3, Location Service) and configured Nginx for scalability and security.
• UI/UX Focus: Ensured a seamless user experience with a focus on intuitive design using TypeScript, Radix, and ShadCN UI components.
• Tech Stack: AWS, Next.js, Nest.js, MySQL, Mapbox, Mollie, Nginx, TypeScript, Radix, ShadCN.

• Collaborated with management, internal and development partners regarding software application design status and project progress.
• Enhanced user experience with intuitive interface design and responsive web applications.

Projects

Gift Card Designer (React)

• Revived and rebuilt a previously abandoned project to create an interactive gift card customization tool with features like drag-and-drop for text and images, scaling, rotating, and text styling (e.g., bold, italic).
• Overcame complex challenges in real-time state management and ensured dynamic updates to the user interface based on user input.
• Designed a responsive, user-friendly experience with seamless interactions and optimized React functionality.
• Outcome: Though not shipped, it provided valuable experience in solving UI challenges and building highly interactive interfaces.

Tax Report in the Dashboard (Node.js, React)

• Developed a tax report for the dashboard, aggregating itemized sales data to calculate total sales tax (flat/percentage) and generate region-specific statistics.
• Implemented backend queries and logic to calculate totals, applicable sales, and tax breakdowns while accounting for regional tax differences (e.g., pre/post-subtotal for Europe vs. America).
• Delivered actionable insights for merchants, streamlining tax reporting and improving compliance across multiple regions.
• Impact: Enhanced reporting for clients, with significant improvements in tax insights.