Rafael Dias Pereira

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Full Stack Developer

Deeper Systems

Dec 2023 - Current (1 year 11 months)

Developed a full-featured financial platform used across multiple gaming and betting systems to manage deposits, withdrawals, user accounts, and real-time transactions. Worked on both backend services and frontend interfaces to support internal staff, partners, and end users. • Built services in Python (Flask) with MongoDB, Redis, and Celery for task processing and created an integration layer for multiple platforms • Developed a Vue 3 application using Vuetify, Pinia, and Socket.IO for real-time updates. • Implemented a peer-to-peer transaction system using Redis pub/sub, async state sync, and dual-sided transaction handling • Developed a real-time chat system with message reactions, threading, typing indicators, and file uploads store
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Full Stack Developer

Bench Promos

Jan 2022 - Nov 2023 (1 year 11 months)

Developed a large-scale deal aggregation and price tracking platform serving 10,000+ active users, handling both backend and frontend to provide real-time updates, personalized alerts, and responsive interfaces. • Built a scalable backend with NestJS, TypeScript, and GraphQL, implementing APIs for products, deals, pricing, and user interactions • Implemented JWT authentication with Passport.js and RBAC, and integrated AWS S3 for file storage • Developed a responsive frontend using Next.js, React, TypeScript, and Tailwind CSS • Implemented server/client components, infinite scrolling, advanced filtering, and form validation with Zod • Created real-time alerts via Web Push and Twilio for price drops and personalized deal updates

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Rafael Dias Pereira

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