Hi! I'm Pedro Lucena

Developer

Architecting and developing fintech applications in a Turborepo monorepo with multiple interconnected projects.

• Type-Safe APIs: tRPC architecture with batch streaming links and end-to-end type-safety across 50+ routers.
• React 19: Implementation of useTransition, useOptimistic and useActionState for optimistic UI across 47+ forms.
• Internationalization: next-intl with dynamic localized routes in 4 languages (DE/EN/FR/IT) and 200+ pathnames.
• PWA: Complete Web Push Notifications system with service workers.
• Auth: Supabase Auth with OAuth (Google/Apple) + SMS verification via Twilio.
• Payments: Stripe integration with webhooks, customer portal and subscription management.
• CI/CD: GitHub Actions with automated deployment to VPS and Turborepo caching.

Developed custom e-commerce templates for stores and maintained a React Native app used by hundreds of establishments across the city, performing major Expo version upgrades, implementing new features and fixing a critical bug that displayed incorrect monetary values.

• Led optimization initiatives on the e-commerce website, reducing latency by 70% (from 5 to 1.5 seconds), supporting high-traffic operations.
• Architected and deployed the stores CRM from scratch, building the system structure and core functionalities.

Full-stack development of a complete e-commerce platform, from scratch to production.

• Auth & Users: Secure authentication system with registration, login and profile editing.
• Product Catalog: Complete product CRUD with details page, category listing, advanced filters and search.
• Shopping Cart: Functional cart with item addition, removal and review before purchase.
• Admin Dashboard: Central panel for product management, orders and operations monitoring.
• Dynamic UI: Adaptive header based on user interactions and page context.
• Marketing: Newsletter system for email collection and social media sharing functionality.

Developed a complete event management system with user grades and AWS S3 media storage integration.

• Registration and Login System: Secure implementation for account creation and user authentication.
• Event Management: System for creating and managing events with title, description and images.
• Individual Grades: System for assigning and viewing grades specific to each user.
• AWS S3 Storage: Use of an S3 bucket for static file storage.
• Media Upload and Management: Direct media file upload to S3 bucket, including file viewing and management.