09/23/2025 updated

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Early-Career Full Stack Developer with React.js and Node.js Experience

Bragança Paulista, Brazil Software Engineering
Bragança Paulista, Brazil Software Engineering

Profile attachments

RAFAEL APARECIDO - CV - EN - FullStack.pdf

Amazon DynamoDBPython (Programming Language)PostgreSQLMongoDBNode.jsSoftware ArchitectureNext.jsTypeScriptReact.jsExpress.jsAWS ECSFastAPIReact NativeNestJS
Full Stack Development
Expertise in building web applications using React.js for frontend and Node.js/Nest.js for backend development, with experience in both SQL (PostgreSQL) and NoSQL (MongoDB, DynamoDB) databases.

DevOps & Infrastructure
Knowledge of CI/CD practices with GitHub Actions, Docker containerization, and AWS services including S3 and Lambda functions for cloud deployments.

Performance Optimization
Experience in improving application performance through techniques like list virtualization and query optimization, resulting in significant performance gains (31% memory reduction, 76% query execution time improvement).

Database Technologies
Proficiency in multiple database systems including PostgreSQL, MongoDB, DynamoDB, and ClickHouse for analytical queries.

Network Infrastructure
Skills in configuring network points, VPNs, and implementing monitoring solutions like Zabbix for IT infrastructure.

Software Architecture
Application of software architecture principles including separation of views and logic, entity modeling, and domain-driven design.

Programming Languages
Proficiency in JavaScript/TypeScript (React.js, Node.js, Next.js), Python, and Golang for diverse application development.

Languages

EnglishGoodPortugueseNative speaker

Project history

Restaurant Management (Personal Project)

Waitery
Developing a restaurant management application with React.js frontend and Nest.js/MongoDB backend. Implementing AWS S3 and Lambda for image uploads. Project focuses on solid architecture with separation of views and logic.

Personal Finance Management (Personal Project)

Fincheck
Developed a personal finance management application using React.js for frontend and Nest.js with PostgreSQL for backend. Focused on frontend architecture principles and best practices in API development.

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