Pessoa Desenvolvedora Backend Java Microservi os - Pleno - jobgether

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Pessoa Desenvolvedora Backend Java Microserviços - Pleno based in Brazil.

This role offers the opportunity to contribute to the modernization of large-scale digital platforms within a leading healthcare and retail environment. You will work on transforming existing backend solutions into scalable microservices using modern Java technologies. The position focuses on improving architecture, performance, and maintainability through clean code and reliable integrations. You will collaborate with experienced technology teams in a remote-first environment focused on innovation and continuous improvement. The role combines backend development expertise with problem-solving skills to support impactful business solutions. This is an opportunity for a mid-level developer who enjoys technical challenges and building robust systems that serve millions of users.

Accountabilities:

The Backend Developer will be responsible for analyzing, transforming, and improving existing backend solutions while supporting the evolution toward a microservices architecture. The role requires strong technical execution, attention to quality, and collaboration with engineering teams to deliver reliable software solutions.

• Analyze existing Node.js source code and identify opportunities for transformation into Java-based microservices.
• Develop, maintain, and improve backend services using Java and microservices architecture principles.
• Refactor legacy solutions to improve scalability, performance, and maintainability.
• Build and maintain integrations with external systems through REST and GraphQL APIs.
• Develop and execute unit tests to ensure software quality and reliability.
• Collaborate with technical teams to design and implement effective backend solutions.
• Follow software engineering best practices, including clean code, documentation, and continuous improvement.

Requirements:

The ideal candidate has professional experience in backend development with Java, familiarity with modern API integrations, and the ability to work with distributed systems. A proactive mindset and willingness to contribute to technical improvements are essential for success in this role.

• 3+ years of professional experience with Java development.
• Experience working with Node.js codebases and backend system analysis.
• Knowledge of microservices architecture and backend development practices.
• Experience creating and maintaining unit tests using JUnit.
• Experience integrating systems through REST and GraphQL APIs.
• Familiarity with Apollo Client or similar GraphQL technologies.
• Ability to analyze existing code and contribute to modernization initiatives.