CI&T
CI&T
CI&T is a global technology transformation company founded in 1995, helping organizations modernize how they build, operate, and engage through digital products and services. Its work includes application modernization, cloud solutions, AI and data analytics, customer experience, product design, strategy consulting, and immersive experiences. With expertise serving industries such as consulting, healthcare, and marketing, CI&T brings together technology and business capabilities to support organizations pursuing growth and more efficient operations.

Mid-Level Java Backend Developer at CI&T — Hybrid in Brazil

Build Java and AWS backend services at CI&T, a technology transformation and enterprise AI solutions company. Develop distributed microservices with Spring Boot, AWS, Oracle, and MongoDB.

Description

  • Build and improve backend services with Java and Spring Boot
  • Connect applications to AWS services including SNS, SQS, Lambda, S3, and Redis
  • Design and query Oracle and MongoDB data stores for performance and scalability
  • Produce clean, testable code following SOLID, Clean Code, and Clean Architecture principles
  • Contribute to technical design and engineering decisions
  • Help the team through code reviews and ongoing service improvements
  • Develop distributed, scalable, and resilient microservices for a benefits-industry project

Requirements

  • Be located in Brazil
  • Bring at least 3 years of experience with Java 17+ and Spring Boot 3+
  • Have production experience with AWS services including SNS/SQS, S3, and Lambda
  • Understand event-driven architecture, including event modeling, contracts, topics and queues, dead-letter queues, and idempotency
  • Have hands-on experience with microservices, service-to-service communication, API versioning, and basic observability
  • Demonstrate strong knowledge of Oracle relational databases and MongoDB NoSQL databases
  • Have experience with automated testing using JUnit and Mockito
  • Understand and apply unit and integration testing practices
  • Apply SOLID, Clean Code, layered architecture, and Clean Architecture principles in practice
  • Experience with Docker/Kubernetes, CI/CD, Redis/ElastiCache, artificial intelligence, Azure DevOps, or DDD is a plus

Benefits

  • Health and dental coverage
  • Food and meal vouchers
  • Childcare assistance
  • Extended parental leave
  • Gym and wellness partnerships through Wellhub (Gympass) and TotalPass
  • Profit sharing and results program (PLR)
  • Life insurance
  • Access to the CI&T University continuous learning platform
  • Discount club membership
  • Free online resources supporting physical health, mental health, and well-being
  • Pregnancy and responsible parenting course
  • Partnerships with online learning platforms
  • Language-learning platform
  • Support and workplace accommodations for people with disabilities
  • Dedicated health and well-being team, inclusion specialists, and affinity groups

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