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[Job - 32454] Mid-Level Support Engineer L3 (Java + Spring Boot), Brazil

1 hour, 31 minutes ago
Brazil
Full-time
Mid Level
Technical Support Engineer
Software Development
CI/CD Docker Java JUnit Kafka Kubernetes Microservices Mockito New Relic RabbitMQ REST API Spring Spring Boot SQL
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CI&T

CI&T

CI&T is a global digital technology agency empowering agile growth for leading companies through advanced technologies with a team of 2000 experts worldwide.

Internet Software & Services
5001+
Founded 1995
View All Jobs 20

Description

  • Provide L3 technical support for Java, Spring, and Spring Boot backend applications.
  • Investigate and resolve complex production incidents escalated from earlier support levels.
  • Perform root-cause analysis, identify recurring issues, and implement long-term preventive fixes.
  • Analyze logs, errors, and performance metrics using observability tools such as New Relic.
  • Maintain and improve microservices, RESTful APIs, and system integrations.
  • Troubleshoot database access and persistence issues across relational and non-relational databases using Spring Data and JPA.
  • Resolve asynchronous messaging issues involving Kafka and RabbitMQ.
  • Develop bug fixes and code improvements to strengthen application stability and performance.
  • Create and maintain unit and integration tests with JUnit and Mockito.
  • Support deployments and CI/CD processes with Docker and Kubernetes, and document investigations and solutions.

Requirements

  • Hands-on experience with Java, Spring, and Spring Boot.
  • Experience supporting, troubleshooting, or maintaining production backend systems, preferably in an L3 environment.
  • Strong ability to investigate complex technical issues and perform root-cause analysis.
  • Understanding of microservices architecture and RESTful APIs.
  • Experience analyzing application logs, system behavior, and performance issues.
  • Knowledge of observability tools such as New Relic.
  • Familiarity with relational and non-relational databases, SQL, Spring Data, and JPA.
  • Knowledge of Kafka and RabbitMQ messaging systems.
  • Experience with JUnit and Mockito, plus unit, integration, regression, smoke, and end-to-end testing methodologies.
  • Familiarity with CI/CD, Docker, Kubernetes, object-oriented design, design patterns, clean code, and software engineering best practices.
  • Strong analytical, communication, collaboration, and ownership skills.
  • Upper-intermediate to advanced English proficiency for an international environment.

Benefits

  • Health and dental insurance.
  • Meal and food allowance.
  • Childcare assistance and extended paternity leave.
  • Profit Sharing and Results Participation (PLR) and life insurance.
  • Gym, health, and wellness partnerships through Wellhub (Gympass) and TotalPass.
  • Continuous learning through CI&T University and partner online learning platforms.
  • Language learning platform, discount club, and physical and mental well-being platform.
  • Pregnancy and responsible parenting course.

Interested in this position?

Apply directly on the company website

Apply Now

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