Douglas A.
Back-end and Systems Engineer

Skills

Node.js

Express.js

Typescript

Sql

Github

Javascript

Php

Python

Docker Cloud

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Bio

A Software Developer based in Sobral - CE, with extensive experience in web and software development. Holds qualifications in full-stack web development, back-end Java development, and back-end Kotlin development with Spring Boot, and is pursuing a degree in Software Engineering. Demonstrates expertise in front-end development using React, Next.js, Redux, and Vue.js; and back-end development with Java, Kotlin, Spring Boot, and Python with FastAPI. Proficient in testing frameworks such as Pytest, JUnit, Jest, Supertest, Mocha, Chai, and Sinon, and well-versed in SQL and NoSQL databases, including MongoDB and Redis. Familiar with development tools such as Git, Docker, Swagger, Zod, and JWT. Currently operates as a full-stack freelancer utilizing PHP, CodeIgniter, and JQuery, while also participating in a professional development program. Additionally, manages a YouTube channel focusing on algorithms and software development tutorials. Driven by the ambition to leverage technological expertise to enhance the quality of life.

FullStack Developer
1/1/2024 - Present

Led the full development and implementation cycle of various projects, overseeing stack definition and application architecture. Utilized NodeJs for robust backend development and ReactJs for dynamic frontend interfaces. Applied Typescript for type safety and enhanced code quality. Engineered efficient database solutions with Postgres, and streamlined data modeling using Prisma ORM. Conducted rigorous testing with Jest and Supertest, ensuring high reliability and performance. Implemented secure authentication mechanisms via JsonWebToken. Leveraged Zod for schema validation and Multer for efficient file handling. Styled applications using TailwindCSS and Styled-Components for responsive and aesthetic design. Additionally, developed web applications in PHP with a focus on CodeIgniter for rapid application development.

Software Engineering at North Paraná University
2023 - 2026
Computer Programming at Trybe
2021 - 2023

Fundamentals of Programming: Algorithms at Linkedin Learning
12/1/2022
Foundations of Programming: Databases at Linkedin Learning
12/1/2022
Computer Science at Trybe
10/1/2022
Back-End Development at Trybe
10/1/2022
Scrum Fundamentals at Linkedin Learning
9/1/2022
Front-end Development at Trybe
6/1/2022
SQL (Basic) at HackerRank
5/1/2022
JavaScript (Intermediate) at HackerRank
4/1/2022
JavaScript (Basic) at HackerRank
4/1/2022
Fundamentals of Web Development at Trybe
3/1/2022
Web Development Training at Trybe
11/1/2021
JavaScript at Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul - Campus Sertão
8/1/2021
Basic Java Development at Digital Innovation One Inc.
7/1/2021