Senior Mobile Engineer (Android) at Earnin · LumiJobs
senior
$228k–$279k
H1B: no
Earnin Senior Mobile Engineer (Android) at Earnin responsible for developing new features and supporting Android applications. Collaborates with cross-functional teams to create seamless mobile experiences.
Responsibilities
Collaborate with the product and design team to develop innovative user experiences and features.
Design and implement new APIs with our server engineering team to communicate with the mobile applications
Develop a scalable mobile architecture that enables the organization to remain agile as it expands.
Drive decisions on the strategies and methodologies used in mobile app development and testing at EarnIn
Create Unit and Automation (user interface) Tests to ensure the new code does not break existing features and works as specified by the product requirements.
Create and monitor analytics to demonstrate the effectiveness of new and existing features in assisting customers.
Drive cross-platform ownership of feature development, ensuring fungibility across teams to maintain a consistent user experience.
Lead prototype-first and spec-driven development initiatives, partnering closely with PMs and EMs to define technical specifications and build early-stage prototypes.
Qualification
Bachelor’s (or higherFluency in KotlinFamiliarity with identity verificationDeep expertise in Android developmentAt EarnIn
Required
Bachelor’s (or higher, e.g., MS, or PhD) in Computer Science or a related technical field involving coding or equivalent technical experience
4+ years of industry experience with deep ownership and expertise in building, shipping, and maintaining Android applications at scale
Fluency in Kotlin, with a strong grasp of reactive & functional paradigms (Coroutines/Flow, RxJava)
Proven experience with modern Android app architectures (MVVM, MVI, MVP, Clean Architecture) and Jetpack components
Deep understanding of Android UI frameworks, including XML layouts and Jetpack Compose
Hands-on knowledge of software engineering best practices across the full SDLC: coding standards, code reviews, Git workflows, CI/CD pipelines, automated testing, and mobile release operations
Familiarity with identity verification, authentication, and authorization protocols
Deep expertise in Android development, with a strong commitment to cross-platform ownership and familiarity with other frontend platforms (e.g., iOS, web or Kotlin Multi-Platform) to facilitate seamless feature parity and fungibility.
Experience in AI-integrated mobile development, including leveraging AI tools for spec-driven development and prototyping.
Strong ability to collaborate with Product Managers and Engineering Managers early in the development lifecycle to define technical specifications and build functional prototypes.
Experience using AI-assisted development tools (e.g., GitHub Copilot, Cursor, ChatGPT, or similar tools) as part of your software development workflow
At EarnIn, we believe that the best way to build a financial system that works for everyday people is by hiring a team that represents our diverse community. Our team is diverse not only in background and experience but also in perspective. We celebrate our diversity and strive to create a culture of belonging. EarnIn does not unlawfully discriminate based on race, color, religion, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), gender identity, gender expression, national origin, ancestry, citizenship, age, physical or mental disability, legally protected medical condition, family care status, military or veteran status, marital status, registered domestic partner status, sexual orientation, genetic information, or any other basis protected by local, state, or federal laws. EarnIn is an E-Verify participant.
