Senior Kotlin/Java Developer

At CI&T, we help large companies transform AI potential into real business impact through AI deployment, AI-native development, and technological business solutions. With 30 years of experience in technological transformations, we accelerate innovation with expertise in agentic SDLC, application modernization, Data & AI, martech, and business strategy. We are 8,000 CI&Ters in over 25 countries collaborating to create solutions with real impact. AI is already part of how we work, evolve, and innovate every day. Important: if you live in the metropolitan region of Campinas, your presence in the city's offices will be mandatory, according to current attendance policy.

We are looking for a Senior Developer with deep knowledge in Java, Kotlin Backend, AWS to participate in a complex project involving one of the largest digital banks in Brazil. Your mission will be to participate in the entire development lifecycle, from feature conception to ongoing support and improvement of services.

Your mission:

• Participate in all stages of the software development lifecycle, including feature conception, testing, production deployment, support, and continuous improvement.

Requirements:

• Experience with object-oriented languages, with proficiency in Java and Kotlin.
• Microservices architecture.
• Software development best practices, such as TDD (Test-Driven Development), DDD (Domain-Driven Design), Clean Code, and Hexagonal Architecture.
• Agile practices/frameworks, such as SCRUM or KANBAN.
• SQL databases.
• HTTP/HTTPS protocol.
• GIT and Git Flow.
• Good communication and teamwork skills.
• Technical problem solving (bugs, incidents, analysis).
• Adherence to policies and processes defined by the client.
• Writing unit, functional, and performance tests according to team recommendations.
• Application instrumentation for extracting performance information, operational logs, and metrics.

You will stand out with:

• Experience with Spring Boot and/or Javalin.
• Familiarity with Kafka, SQS, and SNS.
• Knowledge of NoSQL databases.
• Experience with Docker and Kubernetes.
• Experience with data streaming solutions.
• Experience with event-driven solutions.
• Knowledge of platforms like ApiGee and Node.js (server management, API management).
• Experience with AWS.

Our benefits:

• Health and Dental Insurance;
• Food and Meal Vouchers;
• Child Allowance;
• Extended Parental Leave;
• Partnership with fitness clubs and health and well-being specialists through Wellhub (Gympass) TotalPass;
• Profit and Results Sharing (PLR);
• Life Insurance;
• Continuous Learning Platform (CI&T University);
• Discount Club;
• Free online platform focused on strengthening physical and mental health and well-being;
• Pregnancy and Responsible Parenthood Course;
• Partnership with online course platforms;
• Language Learning Platform;
• And many others

At CI&T, inclusivity starts from the first contact. If you are a person with disabilities, it is important to present your medical certificate during the selection process. Find the necessary information in the medical certificate by clicking here. This way, we can ensure the support and adaptations you deserve. If you don't have a relevant medical certificate yet, don't worry: we can help you get one.

We have a dedicated Health and Well-being team, Inclusion specialists, and Interest Groups that will accompany you at every step. Count on us to walk this path together.