Job Closed
This listing is no longer active.
Senior Mobile Developer, Android
Location
Brazil
Posted
58 days ago
Salary
0
Seniority
Senior
Job Description
Senior Mobile Developer, Android
FCamara Consulting & Training
• Improve the experience of applications with millions of users • Contribute to and participate in technical decisions such as architecture, tools, and processes • Ensure performance and analyze production data for improvements • Review team pull requests • Participate in the Android community • Experience with Git • Monitor Crashlytics
Job Requirements
- Advanced Kotlin (coroutines, Flow, sealed classes, inline functions, DSLs)
- Deep knowledge of the Android SDK (Activity, Fragment, Lifecycle, ViewModel)
- Jetpack:
- Compose
- Navigation
- Room
- DataStore
- WorkManager
- Paging
- Kotlin ↔ Java interoperability
- Management of complex UI state
- Support for multiple Android versions (backward compatibility)
- Architectures: MVVM, Clean Architecture
- Layer separation (UI, Domain, Data)
- SOLID and clean code principles
- Modularization (feature modules, dynamic features)
- Dependency Injection (Hilt / Dagger)
- Applied design patterns (Repository, UseCase, Factory, Observer)
- Consumption of REST APIs (Retrofit, OkHttp)
- Serialization (Moshi, Gson, Kotlinx Serialization)
- Local caching
- Data synchronization
- Unit testing (JUnit, MockK, Mockito)
- ViewModel and UseCase tests
- Instrumented tests (Espresso)
- UI testing in Compose
- Test doubles (mock, fake, stub)
- Code review and code standardization
- Memory management and leak detection (LeakCanary)
- Performance analysis (Profiler, Systrace)
- Threading and concurrency
- Data security (EncryptedSharedPreferences, Keystore)
- Security and privacy best practices (LGPD, Play Store policies)
- Advanced Gradle (Kotlin DSL, build variants, flavors)
- Build time optimization
- App versioning and signing
- CI/CD (GitHub Actions, Fastlane, Microsoft Azure)
- Publishing and management on Google Play Console
- Feature flags and gradual rollouts
Benefits
- Position also open to candidates with disabilities (PwD)
Related Guides
Related Job Pages
More Android Engineer Jobs
Freelance Mobile App Developer
MindriftApply → Pass qualification(s) → Join a project → Complete tasks → Get paid. Project time expectations: Tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements; This is an estimate, not a guaranteed workload, and applies only while the project is active. Note: Rates vary based on expertise, skills assessment, location, project needs, and other factors. Higher rates may be offered to highly specialized experts. Lower rates may apply during onboarding or non-core project phases. Payment details are shared per project.
Role Description Mindrift is looking for skilled Mobile App Developers (React Native, Flutter, Swift, or Kotlin) to join the Tendem project and build native and cross-platform mobile applications within our hybrid AI + human environment. In this role, as an AI Pilot, you'll collaborate with Tendem Agents that handle repetitive tasks, while you provide mobile engineering expertise, platform-specific judgment, and quality control to ensure apps are stable, performant, and ready for real users on real devices. This part-time remote opportunity is ideal for professionals with hands-on experience shipping iOS and/or Android apps, working with platform APIs, and handling the full mobile development lifecycle. Key Responsibilities - Build mobile applications using React Native, Flutter, Swift (iOS), or Kotlin (Android). - Implement responsive mobile UIs that follow platform conventions (iOS HIG, Material Design). - Integrate native device features (camera, push notifications, location, storage, biometrics). - Connect apps to backend APIs, handle offline state, caching, and synchronization. - Implement monetization features where required (in-app purchases, ads, subscriptions). - Evaluate AI-generated mobile code and refactor it for correctness, performance, battery use, and maintainability. - Debug platform-specific issues and prepare builds for distribution (TestFlight, Play Console). Qualifications - At least 3 years of relevant experience in mobile app development (required). - Bachelor's or Master's Degree in Computer Science, Engineering, Information Technology, or related technical fields is a plus. - Strong foundation in mobile application development, platform-specific UI/UX patterns, and building stable, high-quality mobile experiences for iOS and Android. - Hands-on experience with at least one of: React Native, Flutter, Swift/SwiftUI (iOS), or Kotlin/Jetpack Compose (Android). - Solid understanding of mobile UI patterns, navigation, state management, and platform guidelines. - Experience integrating REST APIs, handling async data, and managing local storage. - Familiarity with native device APIs (notifications, camera, location, storage, biometrics). - Experience with mobile build tools, code signing, and submission to App Store / Google Play. - Experience implementing in-app purchases, ads, or subscriptions is a plus. - Familiarity with backend services such as Firebase, Supabase, or similar is a plus. - Strong attention to detail and commitment to performance, stability, and platform polish. - Self-directed work ethic with the ability to ship complete mobile features independently. - Portfolio of shipped mobile apps (required, with App Store / Google Play links preferred). - English proficiency: Upper-intermediate (B2) or above (required). Project Time Expectations For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active. Compensation On this project, contributors can earn up to $35 per hour equivalent, depending on their level and pace of contribution. Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements. Benefits - Work fully remote on your own schedule with just a laptop and stable internet connection. - Gain hands-on experience in a unique hybrid environment where human expertise and AI agents collaborate seamlessly — a distinctive skill set in a rapidly growing field. - Participate in performance-based bonus programs that reward high-quality work and consistent delivery.
• Develop scalable technological solutions in the Android environment. • Work on projects for the financial sector. • Collaborate with cross-functional teams to ensure software quality. • Apply best development practices and Clean Code principles.
Senior Android Developer
EX Squared LATAMMultishore & tech staff augmentation experts! Building solutions for leading brands #ImagineBuildEvolve 🔭
• Design, develop, and maintain modern Android applications using Kotlin and Android best practices • Build responsive and scalable mobile solutions focused on exceptional user experience • Collaborate closely with Product, Design, QA, and Back-End teams throughout the development lifecycle • Implement intuitive and visually appealing interfaces aligned with Android design guidelines • Integrate applications with RESTful and/or GraphQL APIs and backend services • Optimize applications for performance, scalability, and compatibility across multiple Android devices and screen sizes • Write clean, maintainable, and testable code following architecture patterns such as MVVM, MVP, or MVI • Create and maintain unit tests and contribute to automation testing efforts • Troubleshoot, debug, and resolve application issues efficiently • Contribute to CI/CD and continuous delivery practices • Stay current with emerging Android technologies, tools, and development trends.
• As an Android Engineer, you’ll work directly with our product and design teams. • In this fast-paced environment, you’ll receive pixel-perfect, responsive designs to implement and ship. • You are obsessed with delivering the best possible product for our customers. • Your speed, reliability in delivery, and ability to devise elegant solutions will make you a core member of our engineering team. • We aim to revolutionize the FinTech industry. • Help create a new paradigm — we need the best minds to do it.



