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Job Summary: We are seeking a Master/Specialist Backend Developer proficient in Kotlin/Java to handle the complete lifecycle of features for a major digital bank—from conception through to ongoing support. Key Highlights: 1. End-to-end involvement in the lifecycle of features within a digital bank 2. Development of scalable tech solutions powered by AI 3. Collaboration on a challenging project focused on Kotlin/Java We are specialists in **technological transformation**, combining human expertise with AI to build scalable tech solutions. With over 7\.400 CI\&Ters worldwide, we have partnered with more than 1\.000 clients throughout our 30-year history. Artificial Intelligence is our reality. **Important**: If you reside in the Campinas Metropolitan Region, your physical presence at our city offices is mandatory per the current attendance policy. We seek a **Master/Specialist Kotlin/Java Backend Developer** to join a challenging project covering the full feature lifecycle at one of the largest **digital banks** in the country. Your mission will span from feature conception to service delivery—including testing, production deployment, operational support, and continuous improvement. **Responsibilities** * Engage across the entire feature lifecycle—from conception to service delivery. * Monitor testing, oversee production deployment, and provide ongoing support. * Write unit, functional, and performance tests aligned with team guidelines. * Instrument applications to collect performance metrics, runtime logs, and telemetry data. * Resolve technical issues—including bugs and incidents—and conduct necessary analyses. * Adhere to client-defined policies and processes to ensure delivery quality and security. * Collaborate effectively with the team, maintaining strong communication and partnership. **Requirements** * Experience with object-oriented programming languages, especially Java and Kotlin. * Knowledge of microservice architecture. * Familiarity with AWS. * Familiarity with software development best practices, including TDD, DDD, Clean Code, and Hexagonal Architecture. * Experience with agile methodologies such as SCRUM or KANBAN. * Experience with SQL databases. * Understanding of the HTTP/HTTPS protocol. * Familiarity with GIT and Git Flow. * Strong communication and collaboration skills within a team environment. **Nice-to-Haves** * Experience with Spring Boot and/or Javalin. * Knowledge of NoSQL databases. * Familiarity with Docker and Kubernetes. * Experience with data streaming solutions. * Knowledge of event-driven architectures. * Experience with API management platforms such as Apigee and Node.js (server-side and API management). \#LI\-MidSenior \#LI\-DJ1 **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 Sharing Program (PLR); * Life insurance; * Continuous learning platform (CI\&T University); * Discount club; * Free online platform dedicated to promoting physical health, mental well-being, and overall wellness; * Pregnancy and responsible parenting courses; * Partnerships with online course 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.** This allows us to ensure the appropriate support and accommodations you deserve. **If you do not yet have an official medical report, don’t worry—we can support you in obtaining one.** We have a dedicated Health & Wellness team, inclusion specialists, and affinity groups ready to support you at every stage. Count on us to walk this journey alongside you. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
