Senior Android Mobile Developer

CI&T

Senior Android Developer at CI&T, driving the evolution of high-performance native applications for global banking solutions. Collaborating in a multidisciplinary team to deliver robust solutions.

Posted 6/9/2026full-time🇧🇷 BrazilSeniorWebsite

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Hard Skills

KotlinMVVM architectureXMLJetpack Composeunit testsinstrumented testsAndroid lifecyclemodular structuresaccessibility best practicesproduct modularization

Soft Skills

communication skillsflexibilityteam collaborationmentoringleadershipknowledge sharingcode quality mindsetcontinuous improvementusability focusperformance passion

Tools & Technologies

Firebase AnalyticsFirebase CrashlyticsFirebase Remote ConfigSonarBrowserStackContinuous Delivery (CI/CD)

Industry Keywords

native Android developmentcode reviewstechnical detailingstakeholder collaborationcomponentization

Tech Stack

Tools & technologies

AndroidFirebaseKotlin

About the role

Key responsibilities & impact

Cutting-edge Development: Build features and architectural components using Kotlin and the MVVM architecture.
Modern Interfaces: Develop rich, accessible user interfaces using XML and Jetpack Compose.
Quality Assurance: Ensure the quality of deliverables through rigorous code reviews and the implementation of unit and instrumented tests.
Strategic Collaboration: Actively participate in team ceremonies, support the technical detailing of solutions, and collaborate closely with stakeholders.
Platform Evolution: Contribute to the setup and improvement of Continuous Delivery (CI/CD), support project modularization and the componentization of features.
Mentoring and Leadership: Serve as a technical reference for the team, share knowledge, and contribute to the professional development of team members.

Requirements

What you’ll need

Solid experience in native Android development with Kotlin.
Deep knowledge of MVVM architecture and best practices for modular structures.
Proven experience building interfaces with XML and, preferably, with Jetpack Compose.
Strong understanding of the Android lifecycle and experience with unit and instrumented tests.
Excellent communication skills and flexibility to work in a team and directly with clients.
A mindset focused on code quality, continuous improvement, and a passion for usability and performance.
You will stand out if you have experience with:
Firebase tools (Analytics, Crashlytics, Remote Config).
Implementing accessibility best practices in Android applications.
Advanced product modularization and componentization architectures.
Code quality and testing platforms such as Sonar and BrowserStack.

Benefits

Comp & perks

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 (PLR);
Life insurance;
Continuous learning platform (CI&T University);
Employee discount club;
Free online platform dedicated to promoting physical and mental health and wellbeing;
Courses for expectant parents and responsible parenthood;
Partnerships with online course platforms;
Language learning platform;
And many others.