[Job - 32454] Mid-Level Backend Developer (Java + Spring Boot), Brazil

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy. We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact.

AI is already part of how we work, evolve, and innovate every day.

About the Role

As a Mid-Level Backend Developer (Java + Spring Boot) , you will contribute to the design, development, and continuous improvement of scalable backend systems for a B2B e-commerce platform in the alcoholic beverage industry, operating across 40 countries.

You will work on building and maintaining reliable backend services, developing RESTful APIs, integrating distributed systems, and ensuring application quality, security, and performance.

By collaborating with cross-functional teams, you will help evolve the platform and deliver scalable, high-quality software solutions that support business needs. What you will do: Develop, maintain, and enhance scalable backend systems using Java, Spring, and Spring Boot.

Design, implement, and maintain microservices and RESTful APIs to support business functionality and system integration. Implement data access and persistence solutions using Spring Data and JPA, working with both relational and non-relational databases.

Develop and maintain asynchronous communication and event-driven integrations using messaging systems such as Kafka and RabbitMQ. Write and maintain unit and integration tests using JUnit and Mockito to ensure code quality, reliability, and maintainability.

Apply security and performance best practices to build robust and efficient applications. Collaborate with cross-functional teams to understand requirements, define technical solutions, and deliver high-quality software. Cont