Hi, I'm Darlan!

I'm a Software Developer based in Brazil, São Paulo. Crafting innovative solutions that empower businesses and transform user experiences.

Projects

About Me

What can I do to help your business?

Hi, my name is Darlan, and I am a versatile, innovative, and a real team player software developer located in São Paulo, Brazil.


I hold a bachelor's degree in Information Systems from the Unifran University of Franca.


I am passionate about continuous learning, and throughout my professional journey, I have taken several courses, including development training provided by IBM.


I have fourteen years of experience that has provided me with a mastery of software fundamentals such as algorithms, data structures, databases, tests and development patterns as a whole.

My Skills

JavaScript

TypeScript

React

React Native

Next.js

Redux

jQuery

HTML

CSS

Tailwind CSS

Bootstrap

Node.js

Express

NestJS

Python

MySQL

Oracle

PostgreSQL

MongoDB

Redis

Firebase

Nginx

AWS

Azure

Cloud Computing

Docker

Git

Jest

Cypress

Unit Testing

Serverless

Lambda

Microservices

Distributed Systems

CI/CD

Frontend

Backend

Full-Stack

Projects

Accuracy Mobile

Implemented an in-house application integrated with the existing system to reduce high equipment rental costs. It involved many business rules and required total accuracy in information, which was very challenging. Ultimately, the application led to a 28% reduction in inventory costs destined for equipment rentals, resulting in significant savings for the company.

Cattle Life Cycle

Foods industry: formulated a complex system for comprehensive tracking of the cattle life cycle, which involved creating a mobile app using React Native, a web panel with React.js, and an API with Node.js to access real-time data, including weather forecasts, transportation, and file downloads. As a result, the app garnered over 1,000 downloads on the Play Store, delivering real-time information to users.

Complet ERP for Advertising Ecosystem

Advertising Industry: redesigned a system based on jQuery in order to migrate to React.js, with a focus on preserving critical business rules and ensuring the continued smooth operation of the core application. The implementation of robust testing strategies enabled a seamless transition to the new platform while maintaining flawless functionality in the existing system. The outcome was a remarkable 50% reduction in payment processing time and supplier release.

Credit Card Manager

Engineered a credit card conciliator software based on Delphi, automating the reconciliation process and providing real-time tracking to the customer, which reduced 40% of the processing time.

Fast Food Service to Customers

Fast Food Industry: successfully integrated a mobile sales system using React Native and a Node.js API, serving as a point of sale and payment processing, offering a dynamic and effective solution while enhancing overall mobility in the fast food industry.

Federal Invoice

Created a software solution designed to facilitate tax invoice calculations. This project entailed the meticulous development of software in strict adherence to the provided federal layout specifications, integrated with Delphi components, and specialized skills. As a result of this concerted effort, we not only successfully met the government's deadline but also achieved the seamless generation of an average of 900 invoices per month, effectively fulfilling our compliance obligation.

Helpvip OS

Built a software controller meticulously engineered to manage the entire service order cycle. This undertaking entailed the utilization of Delphi, encompassing a wide array of technologies, responsibilities, and skill sets. The resultant achievement was a streamlined service control system, concurrently optimizing the overall maintenance workflow within the company.

Social Media Aimed to Female Audience

Marketing Industry: designed a female-oriented social network where users could form groups and engage through comments and services, which included an API utilizing AWS Lambda, a web interface based on React.js, and a mobile application with React Native. Despite a tight six-month deadline, we successfully delivered a fully functional social network capable of supporting up to 10,000 users.