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CI&T

Senior Backend Developer, Java

CI&T

. Build new backend services and RESTful APIs in Java .

Posted 10/26/2026full-timeRemote • BrazilSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Proficient in building and maintaining backend services and RESTful APIs using Java, with a strong focus on automated testing, code quality, and agile methodologies. Experienced in collaborating with cross-functional teams and supporting financial services clients in a regulated environment.

Highest-signal resume keywords
Java Backend DevelopmentRESTful API DevelopmentAutomated Testing with JUnitAgile MethodologiesSQL and Oracle Database Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Java 11+JUnitMavenSpring BootJPA/HibernateObject-Oriented DesignGitCI/CD PipelinesJSON/XML HandlingSOLID Principles
Soft Skills
Good English Communication Skills
Tools & Technologies
MockitoJenkinsGitHub ActionsDockerKubernetes
Industry Keywords
Financial ServicesRegulated EnvironmentAgile TeamsPull Request WorkflowsObservability Tools

Tech Stack

Tools & technologies
ApacheAWSAzureCloudDockerHibernateJavaJenkinsJUnitKafkaKubernetesMavenMockitoOpenShiftOracleSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact
  • Build new backend services and RESTful APIs in Java
  • Maintain the existing Java web platform and keep it stable
  • Gradually migrate legacy functionality to cleaner architecture
  • Write clean, testable code with unit and integration test coverage using JUnit
  • Model data and write efficient SQL against Oracle DB
  • Tune queries, indexes, and transactions
  • Maintain and refactor legacy modules, including XSLT-rendered pages
  • Participate in refinement sessions, break features into technical tasks, estimate work, and raise risks
  • Review pull requests and maintain coding standards and technical documentation
  • Collaborate with DevOps and QA on build pipelines, deployments, and production support
  • Investigate and resolve incidents across environments
  • Work closely with frontend developers, QA, a Product Owner, and a Tech Lead using agile practices
  • Support a financial services client

Requirements

What you’ll need
  • Around 5 years of professional experience in backend development with Java (Java 11+, ideally 17/21)
  • Solid automated testing skills with JUnit and mocking frameworks such as Mockito
  • Hands-on experience with Maven, including multi-module projects, dependency management, and build lifecycle
  • Experience building Java web applications with REST APIs, JSON/XML handling, HTTP, and request/response lifecycle
  • Good knowledge of a Java application framework such as Spring Boot or Jakarta EE
  • Experience with persistence using JPA/Hibernate
  • Solid grasp of object-oriented design, SOLID principles, and common design patterns
  • Experience with Git, branching strategies, and pull request workflows
  • Familiarity with CI/CD pipelines such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps
  • Experience working in agile teams using Scrum or Kanban
  • Good English communication skills for working with international stakeholders
  • Nice to have: Quarkus or other cloud-native Java frameworks
  • Nice to have: Apache Kafka, AWS S3, and AWS services
  • Nice to have: XSLT, XML/XPath, Flyway or Liquibase, OpenAPI/Swagger, Docker, Kubernetes or OpenShift
  • Nice to have: OAuth2/OIDC, JWT, OWASP Top 10, observability tools, SonarQube, and banking or regulated-environment experience

Benefits

Comp & perks
  • Health and dental insurance
  • Meal and food allowance
  • Childcare assistance
  • Extended paternity leave
  • Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass
  • Profit Sharing and Results Participation (PLR)
  • Life insurance
  • Continuous learning platform (CI&T University)
  • Discount club
  • Free online platform dedicated to physical, mental, and overall well-being
  • Pregnancy and responsible parenting course
  • Partnerships with online learning platforms
  • Language learning platform
  • Health and Well-being team, inclusion specialists, and affinity groups
  • Support and accommodations for people with disabilities during the selection process