[Job-2601] Android Developer, Campinas, Brazil

About the role

CI&T helps large enterprises turn AI into business impact through AI deployment, AI-native delivery, and tech-integrated solutions, with about 8,000 people across more than 25 countries. This Android Developer role supports a major American investment client. You must live in Campinas and work on-site every day in the Campinas office for a stated security reason. Day to day you collaborate with CI&T teammates on financial-sector demands, ship agile releases, fix and enhance the product with cross-functional partners, and keep code quality high through testing and reviews. You will own the full feature lifecycle from discovery through production, translating business intent into robust Android implementations while adhering to strict quality gates. You will partner closely with product, design, and backend colleagues to refine requirements and ensure alignment with client expectations in a fast-paced agile environment. You will act as a quality champion, mentoring peers on best practices around code cleanliness, testing discipline, and architectural consistency. You will contribute to the continuous improvement of engineering processes, sharing insights that elevate the craftsmanship of the Android platform across the team.

Key facts

What you'll do

• Collaborate with the CI&T team to meet financial-sector client demands.
• Perform agile deployments while protecting quality and stability.
• Work cross-functionally to identify, prioritize, and implement enhancements and bug fixes.
• Develop and maintain scalable, efficient application code.
• Test and debug thoroughly before delivery.
• Participate in code reviews and give constructive feedback.
• Implement features using modern Android development practices and patterns.
• Integrate with backend services through well-defined APIs and contracts.
• Monitor application behavior in pre-production environments and respond to issues.
• Break down epics and stories into technical tasks that the team can execute.
• Support release planning and coordination with other squads and stakeholders.
• Ensure compliance with client security and quality standards throughout delivery.
• Mentor junior developers on Android fundamentals and engineering excellence.
• Contribute to documentation that keeps the codebase understandable and actionable.

Requirements

• Advanced English for daily contact with people outside Brazil.
• Availability to work on-site in Campinas every day.
• Prior Android development experience with Java and Kotlin.
• Solid Kotlin language and coding conventions experience.
• Experience with Jetpack Compose.
• Knowledge of REST, MVVM, MVC, and Clean architecture patterns.
• Unit testing with JUnit and automated UI testing with Espresso.
• Familiarity with UI componentization and basic Material Design.
• Git versioning and Git Flow across multiple teams.
• Experience in a mature CI/CD environment with GitHub Actions.
• Conversational English level as listed.
• Ability to interpret and implement requirements from ambiguous sources.
• Understanding of mobile performance, memory management, and battery impact.
• Commitment to following security guidelines relevant to financial applications.

Nice to have

• Java-to-Kotlin migration experience.
• Single-module to multi-module architecture migration.
• Supporting QA with Appium E2E automation.
• Feature toggles and trunk-based development.
• Some Node.js experience or ability to read Node apps.
• Adobe Target, Adobe Analytics, AEM, or related Adobe tools.

Engineering methods

Kotlin/Java Android development; Jetpack Compose; MVVM/MVC/Clean; JUnit and Espresso; Git Flow; GitHub Actions CI/CD.

Practical notes

Benefits listed include health and dental, meal/food allowance, childcare assistance, extended paternity leave, Wellhub/TotalPass gym partnerships, PLR profit sharing, life insurance, CI&T University, discount club, wellbeing platforms, parenting course, online learning and language platforms. Disability assessment guidance is available during selection. Prefer must-have skills over nice-to-have extras when you assess fit. If the live posting changes location or compensation, follow the live posting. Company scale and customer claims are employer statements from the source posting. Prefer must-have skills over nice-to-have extras when you assess fit. If the live posting changes location or compensation, follow the live posting. Company scale and customer claims are employer statements from the source posting. Prefer must-have skills over nice-to-have extras when you assess fit. If the live posting changes location or compensation, follow the live posting. Campinas daily on-site presence is a hard filter tied to client security, not a preference. Jetpack Compose, Kotlin conventions, and Espresso/JUnit testing are central to how quality is judged. GitHub Actions CI/CD and Git Flow across teams keep releases coordinated with other squads.

Financial-sector clients raise the bar for stability during agile deployments. Nice-to-have Adobe and Appium experience can help on measurement and QA collaboration but does not replace core Android depth. Inclusion and disability assessment support are described on CI&T careers materials. Prefer must-have skills when judging fit. Follow the live posting if details change. Treat employer scale claims as unverified context. Prefer must-have skills when judging fit. Follow the live posting if details change. Treat employer scale claims as unverified context.