Senior Android Developer

Job Overview

We are seeking an experienced Senior Android Developer to design, develop, and maintain high-quality, enterprise-scale Android applications. The ideal candidate will have strong hands-on experience with Kotlin, Android SDK, Jetpack/Jetpack Compose, Android application architecture, REST APIs, and backend integrations. The candidate will work closely with product managers, UX/UI designers, backend engineers, QA teams, and other stakeholders to deliver secure, scalable, high-performance mobile applications.

Key Responsibilities

• Design, develop, test, and maintain native Android applications.
• Develop modern Android applications using Kotlin and Android SDK.
• Build responsive and user-friendly mobile interfaces using Jetpack Compose and/or Android UI frameworks.
• Implement scalable application architectures using MVVM, Clean Architecture, or similar patterns.
• Integrate RESTful APIs, microservices, third-party SDKs, and backend services.
• Work with JSON, authentication, networking, and client-server communication.
• Develop reusable, maintainable, and testable code.
• Optimize application performance, memory usage, responsiveness, and battery consumption.
• Troubleshoot, debug, and resolve application and production issues.
• Participate in architecture and technical design discussions.
• Perform code reviews and follow established coding standards and best practices.
• Collaborate with QA teams to develop and execute unit, integration, and UI testing.
• Work in an Agile/Scrum environment and participate in sprint planning, stand-ups, and retrospectives.
• Use Git and established branching/version-control practices.
• Support CI/CD processes and mobile application release activities.

Required Skills

• 5+ years of professional Android development experience.
• Strong hands-on experience with Kotlin.
• Strong knowledge of Android SDK and Android Studio.
• Experience with Jetpack Compose and modern Android development.
• Strong understanding of Android architecture patterns such as MVVM, MVP, or Clean Architecture.
• Experience with REST APIs, JSON, Retrofit/OkHttp, and backend integrations.
• Experience with Gradle and Android build systems.
• Strong experience with Git/source control.
• Experience with Android lifecycle, threading, coroutines, and asynchronous programming.
• Experience with dependency injection frameworks such as Dagger/Hilt.
• Experience with local data storage such as Room/SQLite.
• Strong debugging, troubleshooting, and performance optimization skills.
• Experience developing applications in an enterprise or large-scale environment.
• Excellent communication and collaboration skills.

Preferred Skills

• Experience with Java in addition to Kotlin.
• Experience with GraphQL.
• Experience with Firebase services.
• Experience with CI/CD tools and automated mobile application deployment.
• Experience with mobile application security and authentication.
• Experience integrating third-party SDKs.
• Experience with financial services, banking, or other regulated environments.
• Experience publishing and maintaining applications through the Google Play Store.
• Familiarity with cloud platforms such as AWS, Azure, or GCP.

Location: San Leandro, CA • Job Type: W2 Contract • Work Arrangement: Hybrid / Onsite • Duration: 12+ Months