We are specialists in **technological transformation**, combining human expertise with AI to build scalable tech solutions. With over 8,000 CI&Ters worldwide, we have formed partnerships 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 the city offices is mandatory, in accordance with the current attendance policy. We are supporting one of Latin America’s largest banks in an intensive digital transformation journey—and you can be part of this movement alongside CI&T! Here, you will work on developing scalable mobile solutions, with a focus on quality, collaboration, and continuous product evolution. **Responsibilities** Develop and enhance Android applications using Kotlin and Java, emphasizing quality, performance, and maintainability. Collaborate closely with multidisciplinary teams (product, design, and engineering) to build solutions aligned with business needs. Apply development best practices, such as Clean Code, Design Patterns, and architectural standards. Actively participate in code reviews, contributing to the team’s technical quality. Develop and maintain unit and/or automated tests. Collaborate in an agile environment, exercising autonomy and accountability for deliverables. **Requirements for this challenge** Availability to work onsite at the client’s office twice per week (Osasco-SP). Solid experience in Android development using Kotlin and Java. Practical experience with MVP architecture. Commitment to code quality, testing, and development best practices. Knowledge and application of Clean Code and Design Patterns. Strong communication skills and autonomy to thrive in a dynamic, collaborative environment. **Preferred Qualifications** Flexibility and interest in learning other programming languages and technologies. Experience with agile methodologies. Experience with test automation. Knowledge of MVVM architecture. Experience working in remote communication environments. Familiarity with Accessibility principles. Knowledge of Clean Architecture and design patterns. **Our Benefits:** * Health and dental insurance; * Meal and food allowances; * 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 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. For more details about our benefits, visit: https://ciandt.com/br/en-us/careers At CI&T, inclusion begins with the first contact. If you are a person with a disability, it is essential to **submit your medical report during the selection process.** *Click here to check which information must be included in the report.* This allows us to ensure the support and accommodations you deserve. **If you do not yet have the official disability certification, don’t worry—we can assist you in obtaining it.** 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 side by side.