Hi, my name is
Jéssica Brandão
I build things for the web.
I'm a Senior Full Stack Developer with over 9 years of experience. Computer Scientist and Software Engineer specializing in building exceptional websites, robust systems, and scalable APIs. Currently available for contract work and new opportunities.
01. About Me
Hello! I'm Jéssica, a Computer Scientist graduated from Universidade Estadual do Piauí (2012-2016) and Software Engineer with a post-graduate degree from Estácio de Sá. With over 9 years of professional experience, I've been building digital solutions that make a difference.
Today, I specialize in building high-performance websites, scalable systems, and robust APIs. From institutional software development at UESPI to tax invoice systems at Sefaz-PI, I've worked on projects that demand reliability, security, and performance.
I'm currently available for contract work and always open to discussing new projects. Whether you need a complete web application, a custom API, mobile development, or technical consulting, I'd love to hear from you.
Technologies I work with:
- ▹JavaScript / TypeScript
- ▹React / React Native
- ▹Node.js
- ▹Java / Spring
- ▹Angular
- ▹PHP
- ▹PostgreSQL / MySQL
- ▹Oracle / SQLServer
- ▹REST APIs
- ▹Hibernate / PrimeFaces
- ▹Git / GitLab
- ▹Docker

02. Services
I offer a range of development services to help bring your ideas to life. Every project is approached with attention to detail, clean code practices, and a focus on delivering real value.
Web Development
Custom websites and web applications built with modern frameworks like React and Next.js. Responsive, fast, and SEO-optimized.
- Landing Pages
- E-commerce
- Web Apps
API Development
Robust and scalable REST APIs. Secure authentication, rate limiting, and comprehensive documentation.
- REST APIs
- Microservices
- Third-party Integrations
03. Featured Projects



04. Experience
2019 — Present
Full Stack Developer @ Freelance / Contract
Working with clients on diverse projects including web applications, mobile apps with React Native, and API development. Building complete solutions from Back-End to Front-End, leading technical decisions and delivering high-quality software.
- React
- React Native
- Node.js
- Java
- PostgreSQL
2018 — 2019
Systems Analyst @ Sefaz-PI
Development and maintenance of Tax Invoice systems (Notas Fiscais Avulsas) for the State Treasury Department. Worked with enterprise-level security requirements and government compliance standards.
- Java
- Hibernate
- PrimeFaces
- Oracle
- SQLServer
- GitLab
2015 — 2017
Web Developer @ Universidade Estadual do Piauí
Development and maintenance of institutional software for the university. Built and maintained web applications serving students, faculty, and administrative staff.
- Java
- PHP
- HTML/CSS
- JavaScript
- MySQL
- Hibernate
2012 — 2016
Computer Science Degree @ UESPI
Bachelor's degree in Computer Science from Universidade Estadual do Piauí. Focused on software engineering, algorithms, and web development fundamentals.
- Algorithms
- Data Structures
- Software Engineering
- Databases
05. What's Next?
Get In Touch
I'm currently available for freelance work and contract opportunities. Whether you have a project in mind, a question about my services, or just want to say hello, I'd love to hear from you. Let's build something great together!
