Profile image of Jhonatan Souza

JHONATAN LEON SOUZA

Full Stack Web Developer

Open to relocation for on-site work

CONTACT

@jhonysouza100 jhonatan-leon-souza-meza jhonatansouzameza100@gmail.com +54 9 3757 501633 jhonysouza100.site

Profile

Full Stack Web Developer with hands-on experience building scalable applications and APIs. Strong focus on performance, clean architecture, and UI/UX design. Skilled in React, Node.js, and TypeScript, with a background in e-commerce and digital marketing solutions.

Tech Stack

  • Frontend: HTML5, CSS3, JavaScript, Typescript, React.js, Next.js, Angular, TanStack Query, Zustand, TailwindCss, Bootstrap, MaterialUI.
  • Backend: Nodejs, Express.js, Nest.js, JWT Authentication, JSON, API RESTful, Nodemailer, Swager.
  • Databases: SQL/NoSQL, MySQL, PostgreSQL, MongoDB, TypeORM, Sequelize, PrismaORM, Redis.
  • DevOps & Tools: Figma, Postman, Git, GitHub, GitLab, AWS, Cloudinary, Docker, NGINX, Linux, CI/CD.

Experience

Freelance Full Stack Web Developer

Remote | 2023 – Present
  • Developed custom e-commerce platforms with shopping cart, payment gateway integration, and JWT-based authentication.
  • Created RESTful APIs connecting frontend and backend using NestJS and Express.
  • Implemented containerized deployments with Docker and NGINX for scalability.
  • Focused on UI/UX improvements, SEO optimization, and responsive design.

Personal Projects

GitHub Portfolio | 2020 – Present
  • Built web apps demonstrating integration with third-party APIs (e.g., MercadoPago, Stripe, Google OAuth).
  • Designed and implemented a centralized REST API following a multi-tenant architecture to serve multiple client applications efficiently, improving scalability and reducing server resource usage.
  • Utilized MySQL for secure relational data storage (user accounts, comments, reviews) and MongoDB for high-performance read operations, such as product data delivery, enhancing response times and flexibility.
  • Implemented Redis caching, Socket.IO for real-time notifications, and SMTP (Nodemailer) for automated user email alerts.

Education

Bachelor’s Degree in Software Engineering

Universidad Nacional de Misiones
2020 – 2023 Focus on software architecture, full stack web development, and agile methodologies.

Technical Degree in Business Administration

E.P.E.T. Nº 4 O.E.A
2010 – 2016 Specialization in administrative processes, accounting, and organizational management.

Languages

  • Spanish – Native (C2)
  • English – Advanced (C1)
  • Portuguese – Fluent (C2)