> Markdown version of [/jobs/ext/2638144-mobile-developer](https://www.wearedevelopers.com/jobs/ext/2638144-mobile-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mobile Developer - **Company:** Robert Half - **Location:** Jacksonville, FL, United States - **Experience:** Experienced - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Android Software Development, Android Studio, Mobile Application Development, Software Debugging, Mobile Application Software, Software Engineering, SQLite, Kotlin, Information Technology, Restful APIs, Software Library - **Published:** August 3, 2026 - **Apply:** https://dejobs.org/x/x/446660FFE5364849931F5069E20ED663/job/ ## About the Role * Contribute to timely delivery of high-quality software by supporting continuous improvement in performance and user experience. Requirements * At least 3 years of mobile or Android development experience, including hands-on work with Java and/or Kotlin. * Strong understanding of the Android SDK and proficiency with Android Studio for building, testing, and debugging applications. * Experience working with SQLite, REST APIs, and standard debugging techniques in mobile development environments. * Ability to integrate software with external hardware or device-level components in a production setting. * Familiarity with payment applications or payment device development is preferred. * Knowledge of industry payment or security standards is a plus. * Strong communication, collaboration, and problem-solving abilities. * Bachelor's degree in Computer Science, Software Engineering, or a related discipline, or equivalent practical experience. Technology Doesn't Change the World, People Do.® ## Description Description We are looking for an experienced Mobile Developer to create and support Android-based payment applications in Jacksonville, Florida. This position focuses on building dependable, secure mobile solutions that connect with payment devices and related hardware while delivering a strong user experience. The role works closely with cross-functional teams to develop production-ready software, resolve technical issues, and contribute to ongoing product improvement. Responsibilities: * Build, enhance, and maintain Android payment applications from initial development through testing, deployment, and ongoing support. * Develop application functionality using Java and Kotlin within the Android ecosystem, incorporating specialized payment software libraries as needed. * Connect mobile applications with payment-related hardware such as card readers, input devices, printers, scanners, and other supported peripherals. * Partner with product, quality assurance, design, and engineering teams to deliver well-designed features and reliable releases. * Investigate software issues, identify root causes, and implement effective fixes to improve stability and performance. * Prepare and update technical documentation to support development, troubleshooting, and long-term maintenance. * Apply best practices to ensure applications meet expectations for security, scalability, reliability, and maintainability. ## Related Videos - [Optimization of Mobile Development Strategies for Maximum Business Impact](https://www.wearedevelopers.com/videos/1182-optimization-of-mobile-development-strategies-for-maximum-business-impact) - [Introduction to TXT](https://www.wearedevelopers.com/videos/30-introduction-to-txt) - [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Build Delightful Mobile Experiences with Kotlin, Realm, and Atlas Device Sync](https://www.wearedevelopers.com/videos/694-build-delightful-mobile-experiences-with-kotlin-realm-and-atlas-device-sync) - [There's an app for that - on the role of cross platform development in the app development ecosystem](https://www.wearedevelopers.com/videos/278-there-s-an-app-for-that-on-the-role-of-cross-platform-development-in-the-app-development-ecosystem) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for)