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kleberson154

Kleberson A.

@kleberson154

Backend Developer Java Spring Boot

Brazil
English, Portuguese
About me
Hi! I'm Kleberson, a Software Developer focused on backend development with Java and Spring Boot. I build REST APIs and web applications using technologies such as Spring Boot, Spring Security, JPA/Hibernate, PostgreSQL, JWT, Swagger/OpenAPI, and Docker. I also have experience with React, Next.js, TypeScript, Node.js, and MongoDB, which allows me to work with both backend systems and full-stack applications. I value clean and maintainable code, clear requirements, and reliable delivery. I prefer clear communication through messages, keeping project requirements and progress well documented.... Read more

Skills

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kleberson154
Kleberson A.
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See my services

SiteBuilder
I will get I will build a full stack web app using react and nodejs
From$80 / projectMore details
API & Integrations
I will develop a rest API using java spring boot
From$30 / projectMore details

Portfolio

Work experience

Full Stack Developer

Independent Projects / Portfolio • Freelance

Jun 2024 - Present • 2 yrs 2 mos

Developed full-stack web applications using React, Node.js, and REST APIs. Responsibilities: Built frontend interfaces with React Developed backend APIs with Node.js and Express Integrated databases (MongoDB / PostgreSQL) Implemented JWT authentication Version control with Git and GitHub Deployed applications and managed environments Also built backend systems using Java and Spring Boot.