Android Engineer

nano-sourcing•San Francisco, CA

1d•Onsite

About The Position

Our client is building a consumer finance app for emerging markets in partnership with major global distribution players. Our product combines virtual banking and cryptocurrency wallets, enabling users worldwide to move seamlessly within our financial ecosystem. We are a small, tenured team moving fast, well-funded, and led by proven founders with successful exits. Every hire shapes our product direction and contributes to our mission of global financial inclusion. Scope of Role You will be a key contributor to our flagship Android client, owning the end-to-end development lifecycle from design and architecture to implementation, testing, and deployment. As a technical leader, you'll establish best practices, mentor engineers, and ensure the delivery of clean, maintainable, and performant Kotlin code.

Requirements

7+ years of professional Android development
Expert proficiency in Kotlin (coroutines, flow, advanced constructs)
Deep knowledge of Android SDKs, APIs, and Material Design
Architectural expertise (MVVM, MVI, Clean Architecture, ViewModels)
Advanced Jetpack Compose experience (custom composables, navigation)
Networking & data handling (REST APIs, Retrofit/OkHttp, WebSockets, Room, secure storage)
Concurrency & performance optimization (coroutines, threading, profiling tools)
Testing (JUnit, Mockito, Espresso, Compose testing)
Dependency management (Gradle/Kotlin DSL)
CI/CD pipeline experience (Fastlane, Jenkins, GitHub Actions, GitLab CI)
Senior+ engineer level: autonomous yet collaborative

Nice To Haves

Experience in fintech (payments, crypto, on/off ramps)
Full-stack engineering capability
Familiarity with modern web stack (Postgres, Redis)

Responsibilities

Owning the end-to-end development lifecycle from design and architecture to implementation, testing, and deployment.
Establishing best practices.
Mentoring engineers.
Ensuring the delivery of clean, maintainable, and performant Kotlin code.