Danilo – AWS, Node.js, React

The project was centered on the design and development of an advanced enterprise logistics platform tailored for a leading US-based transportation company. The platform aimed to streamline and optimize critical shipment booking and tracking operations. Key functionalities included real-time shipment tracking, automated booking workflows, dynamic scheduling, and comprehensive reporting tools.

Danilo's main responsibilities were as follows:

• strategically broke down features into actionable tasks, ensuring smooth and timely development cycles;
• developed scalable and reliable endpoints using NestJS to enhance system performance;
• implemented comprehensive testing strategies using Testing Library, Vitest, and Jest to ensure high code quality and stability;
• designing user-friendly and intuitive interfaces using React, enhancing the user experience;
• building reusable, performance-optimized components from scratch using Radix UI and SASS;
• conducted detailed code reviews and mentored fellow developers to maintain high-quality code and follow best practices.

The client was Brazil's next-generation logistics network, responsible for the seamless movement of over 300,000 packages daily. The main idea involved designing, developing, and maintaining high-performance systems to support mission-critical operations at scale.

Among others, Danilo carried out the following tasks:

• enhanced the React PWA used for managing packages across multiple logistics agencies, optimizing workflows for receiving, separating, and distribution;
• designed and implemented new functionalities in the system that managed the company's logistics network, improving operational efficiency;
• developed Grafana dashboards to monitor system performance and health, providing real-time insights into key features and overall system stability;
• produced detailed documentation outlining feature implementations, technical considerations, and best practices for future development;
• created robust gRPC and REST APIs using Django and NodeJS, supporting critical logistics operations and enabling third-party integrations;
• enforced high code standards through rigorous testing, employing tools such as Jest and Pytest, ensuring reliability across different services.

The customer was a healthcare technology company focused on empowering medical clinics in Brazil through innovative software solutions. The main purpose was to contribute to the development of a SaaS platform designed to streamline clinic management, improve patient care, and optimize operational efficiency.

Danilo's achievements included:

• strategically planned and broke down features into manageable tasks for efficient implementation;
• maintained and developed key features, including a scheduler, cash flow visualization, stock management, and financial reports;
• created detailed PDF reports using Node.js, efficiently handling large data sets with Node.js streams;
• conducted thorough code reviews to enhance the quality and maintainability of the codebase.