Mid-Level / Senior Java / AWS Developer, Brazil

Description

At CI&T, we help major enterprises transform the potential of AI into real business impact through AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in agentic SDLC, application modernization, Data & AI, martech, and business strategy. We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. **Important**: If you reside in the Metropolitan Region of Campinas, your presence at our city offices is mandatory, per our current attendance policy. We are seeking professionals located in Brazil for the position of **Mid-Level / Senior Java / AWS Developer**, to work on a financial-sector project. We seek backend developers with experience in Java and cloud architecture to design and evolve distributed, scalable, and resilient systems. You will work in a microservices-based environment with heavy use of AWS, messaging systems, and modern engineering practices. **Responsibilities:** * Develop and evolve backend services in Java; * Design and implement scalable APIs and microservices; * Work with messaging systems and distributed systems; * Integrate services with the AWS ecosystem; * Ensure application quality, observability, and resilience; * Work within CI/CD pipelines and DevOps practices; * Participate in technical refinements and architectural decisions. **Requirements for this challenge:** * Solid experience with Java (Java 21+), Spring, and Hibernate; * Proficiency in object-oriented programming and design patterns; * Microservices architecture, Clean Architecture, BFF, and DDD; * REST API design using Spring Boot and AWS API Gateway; * Knowledge of application security: authentication, OWASP, and best practices; * Unit and integration testing with JUnit 4+ and Mockito; * Experience with AWS (EC2, ECS, EKS, Fargate, S3, SQS, SNS, Lambda, API Gateway, CloudWatch); * Messaging: Amazon SQS, Kafka, or similar; * Relational and NoSQL databases; * Docker and/or Kubernetes; * Infrastructure as Code: Terraform or AWS CloudFormation; * CI/CD and Git familiarity; * Familiarity with AI usage in development (codegen, automation). **Nice-to-have:** * Monitoring with Splunk, Elasticsearch, Grafana, AppDynamics, or X-Ray; * Release strategies: Canary, Blue/Green, A/B; * GitHub Actions or AWS CodePipeline; * Feature toggles in production applications; * AWS or Java certifications; * Experience in high-scale environments. \#LI\-CB4 **Our benefits:** * Health and dental insurance; * Meal and food allowance; * Childcare assistance; * Extended parental leave; * Partnerships with gyms and health & wellness professionals via Wellhub (Gympass, TotalPass); * Profit and Results Sharing Program (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; * And many more More details about our benefits here: https://ciandt.com/br/pt\-br/carreiras At CI&T, inclusion begins at first contact. If you are a person with a disability, it is important to **submit your medical report during the selection process.** *Check which information must be included in the report* *by clicking here.* This way, we can ensure the support and accommodations you deserve. **If you do not yet have the qualifying medical report, don’t worry: we can support you in obtaining it.** We have a dedicated Health & Wellness team, inclusion specialists, and affinity groups that will support you at every stage. Count on us to walk this journey alongside you.