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CI&T

AI Engineer, Mid-Level Developer, Backend, Java

CI&T

. Design, develop, and maintain high-performance software .

Posted 10/7/2026full-timeBrazilMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in backend development using Java and Spring Boot, with a strong focus on integrating Generative AI models and LLMs. Proficient in all phases of the SDLC, including automated testing, containerization with Docker and Kubernetes, and adherence to Clean Code principles.

Highest-signal resume keywords
Java DevelopmentSpring BootGenerative AISQL/NoSQL DatabasesDocker and Kubernetes

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Backend DevelopmentAutomated TestingMicroservicesDesign PatternsCode Review PracticesCI/CDAlgorithmsData FlowsIntegration with AI ModelsDefect Resolution
Soft Skills
Problem SolvingCollaborationCommunication
Tools & Technologies
JUnitMockitoKafkaRabbitMQ
Industry Keywords
SDLCAgileClean CodeAutomation Processes

Tech Stack

Tools & technologies
DockerJavaJUnitKafkaKubernetesMockitoNoSQLRabbitMQSDLCSpringSpring BootSpringBootSQL

About the role

Key responsibilities & impact
  • Design, develop, and maintain high-performance software
  • Translate business requirements into source code and scalable backend systems using Java/Spring Boot
  • Integrate backend systems with Generative AI models and LLMs
  • Participate in all phases of the SDLC, including planning, requirements analysis, architecture, coding, testing, deployment, and maintenance
  • Implement and optimize algorithms, automation processes, and AI-powered coding tools
  • Participate in refinement meetings and translate business needs into functional solutions
  • Participate in Agile ceremonies and assist with time and resource estimates
  • Build data flows using SQL/NoSQL databases and messaging systems
  • Ensure quality through automated testing, code reviews, and Clean Code principles
  • Work in containerized environments using Docker and Kubernetes within a CI/CD culture
  • Investigate, diagnose, and resolve complex defects in code, data, and production environments
  • Document code and technical processes
  • Residents of the Campinas metropolitan area are required to work from the company's offices in the city in accordance with the current attendance policy

Requirements

What you’ll need
  • Based in Brazil
  • Experience in backend development with Java and Spring Boot
  • Knowledge of Generative AI and LLMs
  • Participation in all phases of the SDLC
  • Knowledge of microservices and design patterns
  • Experience with SQL/NoSQL databases
  • Knowledge of messaging systems such as Kafka or RabbitMQ
  • Experience with automated unit, integration, and end-to-end testing using JUnit and Mockito
  • Knowledge of Clean Code and code review practices
  • Experience with Docker and Kubernetes
  • Knowledge of CI/CD
  • Ability to investigate, diagnose, and resolve complex defects
  • Ability to document code and technical processes
  • Willingness to stay up to date with technologies and market trends

Benefits

Comp & perks
  • Health and dental insurance
  • Food and meal allowances
  • Childcare assistance
  • Extended parental leave
  • Partnerships with gyms and health and wellness professionals through Wellhub (Gympass) and TotalPass
  • Profit-Sharing and Results (PLR) program
  • Life insurance
  • Continuous learning platform (CI&T University)
  • Discount club
  • Free online platform dedicated to promoting physical and mental health and well-being
  • Pregnancy and responsible parenting course
  • Partnerships with online course platforms
  • Language-learning platform
  • Support and accommodations for people with disabilities throughout the selection process
  • Dedicated Health and Well-being team, inclusion specialists, and affinity groups