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# Senior Android Developer

- **Company:** First Call Trading Corporation
- **Location:** St. Louis, MO, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Flutter, Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Android Software Development, Application Lifecycle Management, Application Performance Management, Unit Testing, Software Bug Management, Mobile Application Development, Continuous Integration, Software Debugging, Junit, Mockito, Xamarin, Kotlin, Build Management, Jetpack Compose, React Native, Asynchronous Programming, Restful APIs, Multiplatform, Software Version Control
- **Published:** October 18, 2026
- **Apply:** https://www.careerjet.com/jobad/us71dafb639c4dc17d2340e265183e81e4

## About the Role

* Hands on experience of working with Coroutines
 * Intermediate experience using Java / Spring / RESTful APIs
 * Intermediate experience conducting unit, component, integrated and functional tests (e.g. Junit, Mockito, Cocumber etc.)
 * Experience with LiveData and Flows
 * Architecture Pattern - Familiarity architecture patterns like Model-View-ViewModel, Model-View-Presenter, Model-View-Intent etc.
 * Good experience in writing unit test cases
 * Good exposure in debugging the apps. Working on bug fixes and improving of app performance
 * Good knowledge of Security guidelines applied in mobile app development
 * Knowledge of Version Control and CI-CD
 * Experience working in an Agile environment
 * Experience in implementing APIs and third-party SDK
 * You are a problem solver with good analytical skills
 * Soft spoken, team player and should be good in communication skills and negotiations
 * Proficient in native Android development using Kotlin or Java and frameworks like Jetpack Compose or the Android SDK, with a solid understanding of Android architecture. Also experienced in cross-platform mobile development using tools such as React Native, Flutter, or Xamarin

## Description

* Architect, design and build native and cross platform applications
 * Collaborate with cross-functional teams to define, design, and ship new features
 * Unit-test code for robustness, including edge cases, usability, and general reliability
 * Work on feature development, defect fixes and improving application performance
 * Continuously discover, evaluate, and implement new technologies to maximize development efficiency
 * Design and build libraries/frameworks/applications for the Android platform
 * Ensure the performance, quality, and responsiveness of applications
 * Supporting the entire application lifecycle from concept to design, testing, release, and support
 * Work with Agile methodologies