Senior Developer Java/AWS (Performance)
Job Description
CI&T is seeking a Senior Java/AWS Developer specializing in performance optimization for a major financial sector project in Brazil. This role combines technical excellence with digital transformation, focusing on backend performance optimization for mobile applications. The position offers a unique opportunity to work with Brazil's largest banking institution, implementing cutting-edge solutions using Java, AWS, and microservices architecture. The ideal candidate will have extensive experience with performance analysis tools like Datadog, strong Java development skills, and deep knowledge of AWS services. The role involves working with a modern tech stack including Spring Boot, microservices, and various AWS services while following best practices in software development. CI&T offers a comprehensive benefits package including health insurance, continuous learning opportunities, and work-life balance initiatives. The company's culture emphasizes inclusion, professional growth, and technical innovation. With over 7,400 employees globally and partnerships with more than 1,000 clients, CI&T provides a stable yet dynamic environment for career development in the fintech sector.
Responsibilities For Senior Developer Java/AWS (Performance)
- Act as a protagonist in digital and cultural transformation at Brazil's largest banking institution
- Focus on solution impact and user experience
- Collaborate with multidisciplinary teams to design, develop and implement efficient solutions
- Maintain and continuously improve existing systems
- Integration of systems with AWS cloud services
- Focus on analyzing performance of mobile application backends
Requirements For Senior Developer Java/AWS (Performance)
- Knowledge of Datadog for log analysis and indicators
- Code Analysis and Troubleshooting expertise
- Backend performance and latency optimization
- Strong object-oriented programming skills
- Solid experience in Java development, including Spring and Hibernate frameworks
- Deep knowledge of microservices architecture, design patterns, Clean Architecture, BFF architectural pattern
- Experience with Feature Toggle implementation
- Software development best practices (SOLID, KISS, YAGNI, DRY, and DDD)
- REST API modeling with Spring Boot and AWS API Gateway
- Application security knowledge including authentication mechanisms and API consumption permissions
- Experience with unit testing and integration using JUnit4+ and Mockito
- Experience with AWS (EC2, ECS, EKS, Fargate, S3, SQS, SNS, Lambda, API Gateway, CloudWatch)
Benefits For Senior Developer Java/AWS (Performance)
- Health and dental insurance
- Meal and food allowance
- Childcare assistance
- Extended parental leave
- Gym partnership through Wellhub (Gympass) TotalPass
- Profit sharing (PLR)
- Life insurance
- Continuous learning platform (CI&T University)
- Discount club
- Online platform for physical and mental health
- Pregnancy and parenting course
- Online course partnerships
- Language learning platform
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