Jadson De Sousa Mattos

Jadson De Sousa Mattos

$15/hr
Fullstack Software Developer
Reply rate:
50.0%
Availability:
Hourly ($/hour)
Age:
34 years old
Location:
Florianópolis, Santa Catarina, Brazil
Experience:
1 year
PROFESSIONAL OBJECTIVE As a Junior Full Stack Developer, I have 3 years of experience in the technology industry. I utilise stacks such as JavaScript, TypeScript, Node.js, and Python for the development of REST APIs, microservices, and system integrations, including frameworks like React and Docker, with integration with SQL and NoSQL databases. I have practical experience in agile squads focused on best practices (SOLID, TDD, Clean Architecture), test automation, and Git and GitHub version control. I am passionate about scalable solutions, clean architecture, and continuous learning. EDUCATION Undergraduate in Computer Science - UniSul Tubarão, SC | 2022 – Present (Expected completion: 2026) Full Stack Web Development - Trybe, 2023. Professional Qualification: Professional Programmer - Master Technician, 2022. PROFESSIONAL EXPERIENCE Backend Developer — Horizon, Startup: Dec 2024 – Present ○​ Development of back-end functionalities in Java (Spring Boot) and NestJS with a focus on integrating startups and mobile applications. ○​ Collaboration in agile sprints, code reviews, and technical documentation of RESTful APIs. ○​ Participation in data analysis and integration with AI and front-end teams. ○​ Implementation of JWT authentication and data modelling with PostgreSQL and MongoDB. Full Stack Developer (Volunteer) Zarpar: Remote | 2025 ○​ Development of microservices with Node.js, Flutter, and Firebase, applying modular architecture and automated testing. ○​ Code review and front-end structuring with Angular and accessibility best practices. ○​ Continuous integration with agile methodology, contributing to weekly feature deliveries. Freelancer — Full Stack Web Development Remote | 2024 ○​ Bug fixing and development of new features in React and Vue.js, with integration to REST APIs. ○​ Creation of authentication flows using JWT and connection between front-end and MySQL/Node.js database. ○​ Deliverables for e-commerce websites and institutional portals, ensuring responsiveness and performance optimisation. Web Development Research and Immersion Project — UniSul / Trybe 2023/2024 ○​ Development of applications with React, Node.js, Express and Python (Flask) with RESTful integration. ○​ Experiments with Big Data and Artificial Intelligence in the data analysis of regional companies. MAIN TECHNOLOGIES Languages: Java, JavaScript, TypeScript, Python, C# Back-end: Spring Boot, Node.js, NestJS, Express, FastAPI, Flask, RESTful APIs, JWT, ORM (Sequelize/JPA) Front-end: React, Next.js, Vue.js, Angular, Context API, Redux Databases: MySQL, PostgreSQL, MongoDB, NoSQL DevOps & Tools: Docker, Git, GitHub, Linux, CI/CD (basic), Postman, Swagger Testing: Jest, Mocha, React Testing Library, Pytest, JUnit Mobile: Flutter, React Native, Kotlin Principles: SOLID, TDD, MVC, Clean Code, Microservices, Agile/Scrum CERTIFICATIONS Coursera Course - Google - Data Analysis - 2022 Network Security - CISCO - 2023 Artificial Intelligence by IBM - 2024 LANGUAGES Advanced English MAIN PROJECTS Recipes App — Aplicação de Receitas (Full Stack) ○​ Creation of a robust API in Node.js + Express integrated with a React/TypeScript front-end. ○​ Implementation of Redux, secure routes, unit tests, and modularisation across multiple modules. ○​ Use of Docker and integration with MySQL database. DESIRABLE SKILLS ○​ Versatile profile focused on scalable solutions and integration between front-end and back-end. ○​ Experience collaborating in multidisciplinary teams and agile environments. ○​ Active portfolio with projects hosted on GitHub and well-structured technical documentation.
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