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Click here or scroll down to respond to this candidateCandidate's Name , Delta AirlinesEmail: EMAIL AVAILABLE Phone: PHONE NUMBER AVAILABLE Location: New York City, NYSUMMARYLead-Senior Android Developer with nearly a decade of experience in building, integrating, testing, and supporting Android applications for mobile and tablet devices.Over 12 years of overall IT experience with successful publication of 7 apps to the Play Store.Proficient in Kotlin and Java for Android development.Expertise in Jetpack Compose, Android SDK, and Clean Architecture (MVVM).Experienced in using RESTful APIs, GraphQL, JSON, and SOAP for backend integration.Strong background in CI/CD processes using Jenkins, Bitrise, GitLab, Hudson, and Travis CI.Skilled in third-party libraries like Retrofit, Dagger, RxJava, Glide, and Picasso.Proven ability to collaborate effectively with cross-functional teams using Agile and Scrum methodologies.Adept at automated testing frameworks such as Espresso, Roboelectric, and JUnit.I developed RESTful APIs for communication between microservices and external clientsProficient in database management with SQLite, Room DB, and Firebase.Knowledgeable in material design principles, Jetpack components, and creating intuitive UI/UX.Experienced in cross-platform development using React Native and Flutter.Expertise in risk management and design verification and validation.Ability to mentor development teams and conduct extensive code reviews.Skilled in using Android Studio, Eclipse, and IntelliJ for development.Knowledgeable in Android Automotive OS and Bluetooth Low Energy.Familiar with ExoPlayer for streaming media content and Camera2 API for advanced camera functionalities.KEY ACHIEVEMENTSSuccessfully led a team of 10 developers at Delta Airlines, enhancing user experience and functionality, resulting in a 20% increase in user satisfaction scores.Implemented CI/CD pipelines at Delta Airlines and Walmart, reducing deployment time by 30% and increasing project delivery speed by 25%.Developed and launched features at Walmart that contributed to a 10% increase in app downloads and user retention.Migrated Citigroup's app from MVP to MVVM architecture, reducing technical debt and consolidating code.Led the development of the Genuine Honda Accessories app, increasing downloads by 15% through feature enhancements and optimized UI components.Enhanced backend integration at Pfizer by transitioning to Retrofit, improving data retrieval and app performance.Implemented Google Maps integration for location-based services at JCPenney and Target, enhancing user experience.KEY SKILLSAndroid Development: Kotlin, Java, Jetpack Compose, Jetpack Components, KMM, KMP, Coroutines, Flow API, Android SDKArchitectural Patterns: MVC, MVP, MVVM, Clean ArchitectureTesting Frameworks: Espresso, Robolectric, JUnit, MockitoCI/CD Tools: Jenkins, Bitrise, GitLab, Hudson, Travis CI, MicroservicesProject Management: Agile, Scrum, Jira, TrelloDatabase Management: SQLite, Room DB, FirebaseThird-Party Libraries: Retrofit, Dagger, RxJava, Glide, Picasso, Firebase, ExoPlayerTools and Technologies: Android Studio, Eclipse, IntelliJ, Git, SourceTree, BitBucketPerformance Optimization: LeakCanary, ProGuard, ART, Dalvik Memory MappingCross-Platform Development: React Native, FlutterUI/UX Design: Figma, Material Design, Custom ViewsSecurity Implementations: ProGuard, SSL Pinning, HTTPS, Encryption (AES-256, RSA), OAuthSecurity Audits and Compliance: Static Code Analysis (SonarQube), Security Best PracticesPROFESSIONAL EXPERIENCEDelta Airlines, Atlanta, GALead Android DeveloperDecember 2023 PresentDelta Mobile AppLed a team of 10 developers in the design, development, and deployment of the Delta Airlines mobile app, enhancing user experience and functionality.Employed Kotlin programming language within the Clean Architecture framework following the MVVM pattern, ensuring a well structured and maintainable codebase.Collaborated with the design team using Figma to create intuitive and user-friendly interfaces for Android applications, achieving a 20% increase in user satisfaction scores.Managed design assets efficiently in Figma, ensuring consistency across multiple screens and resolutions.I developed RESTful APIs for communication between microservices and external clientsI implemented CI/CD pipelines using tools like Jenkins or GitLab CI/CD to automate testing, building, and deployment of microservices.Implemented and maintained Jenkins CI pipelines for automated build, test, and deployment processes, reducing deployment time by 30%.Integrated automated testing frameworks such as Espresso and Robolectric into the Jenkins CI/CD pipeline, improving test coverage by 25%.Worked on UI/navigation using Jetpack Compose, particularly for the payment flow, increasing transaction success rates by 15%.Employed Mockito and JUnit for effective unit testing, including testing Jetpack Compose components.Adopted Flutter for expedited development, ensuring rapid feature updates.Mentored junior developers, providing guidance and code reviews to ensure adherence to best practices.Led daily stand-ups and sprint planning meetings, ensuring timely completion of tasks and resolution of blockers.Implemented ProGuard for code obfuscation and app security, reducing the risk of reverse engineering.Integrated SSL Pinning to enhance security of data transmission, ensuring that the app communicates only with trusted servers.Conducted static code analysis using SonarQube, identifying and mitigating potential security vulnerabilities.Walmart, CASenior Android DeveloperJanuary 2022 December 2023Walmart AppServed on an AGILE team practicing Scrums and Sprints, contributing to a 25% increase in project delivery speed.Reviewed and programmed source code in Java and Kotlin, improving code quality and reducing bugs by 20%.Utilized GIT for code repository management, maintaining current and historical versions of the Android app source code.Worked on MVVM architecture with clean architecture using Hilt Library, Coroutines, Flows API, NavGraph, and Jetpack Compose.Handled continuous integration (CI) with Jenkins, ensuring seamless integration and deployment.Made modifications to design schematics using Figma, enhancing user interface consistency.Integrated multiple third-party libraries like Retrofit, RxJava, and Dagger.Ensured data persistence with Room and encryption using AES-256, enhancing data security.Utilized Firebase push notifications for real-time updates, improving user engagement.Implemented Paging Library to handle large datasets efficiently.Performed code reviews and provided feedback to ensure best practices.Developed features that contributed to a 10% increase in app downloads and user retention.Applied ProGuard to obfuscate and minimize the code, enhancing security and performance.Configured SSL Pinning to protect against man-in-the-middle attacks, ensuring secure data exchanges.Performed security audits and implemented fixes to comply with industry best practices.Citigroup, New YorkSenior Android DeveloperSeptember 2021 January 2022Citi Mobile AppProgrammed code in Kotlin for Restful API calls, enhancing performance and efficiency.Refactored Android Support libraries to be compliant with Android 11 and Jetpack, reducing technical debt.Migrated from MVP to MVVM architecture, consolidating code and reducing redundancy.Implemented Retrofit Rest calls with AES-256 encryption, ensuring secure data transmission.Integrated multiple third-party libraries like Glide, Retrofit, and Dagger/Hilt.Migrated to MVVM architecture to reduce and consolidate code.Developed new features that improved user experience and engagement.Collaborated with backend teams to optimize API performance.Performed security audits and implemented fixes to ensure data protection.Utilized ProGuard to obfuscate the codebase, enhancing security and reducing the risk of reverse engineering.Implemented SSL Pinning to ensure secure communication with backend services.Upgraded security protocols to comply with the latest security standards, including HTTPS and TLS 1.2.Honda Motors, RemoteSenior Android DeveloperJanuary 2020 September 2021Genuine Honda AccessoriesDeveloped Android applications using MVVM architecture for scalability and modularity.Migrated code to Kotlin with coroutines, reducing boilerplate code and improving readability.Utilized JetPack components and Android KTX, enhancing app functionality.Applied RxJava, RxAndroid, and RxKotlin for reactive programming.Created testing suites with Espresso and Mockito, improving code reliability.Collaborated with Bluetooth LE under the Eddystone protocol, enhancing connectivity features.Implemented WorkManager for background tasks and periodic data synchronization.Developed features that increased app downloads by 15%.Enhanced user experience by optimizing UI components and interactions.Provided mentorship to junior developers, improving team performance.Pfizer, New York CityAndroid App DeveloperJanuary 2018 December 2019HemMobileDeveloped new features using Android Studio in Java and Kotlin, improving app performance.Implemented data persistence using Room database, ensuring secure data storage.Used MVVM architectural patterns, enhancing app modularity.Conducted automated UI testing using Espresso, ensuring app stability.Integrated 3rd-party libraries such as Firebase and Crashlytics.Participated in Agile Scrum methodology and two-week sprints, increasing development efficiency.Improved backend integration by transitioning to Retrofit, enhancing data retrieval.Organized code into submodules for better maintainability.Implemented Crashlytics to monitor and fix app crashes.Conducted code reviews to ensure adherence to coding standards.JCPenney, Plano, TXAndroid DeveloperNovember 2015 December 2017JCPenney AppWorked on all phases of the software development life cycle, improving project delivery times.Utilized RxJava and MVP architectural pattern, enhancing app performance.Incorporated Firebase Cloud Messaging for push notifications, increasing user engagement.Configured the continuous integration process with Jenkins, streamlining deployment.Used SQLite and Firebase for database management, ensuring data integrity.Implemented Google Maps for location search, enhancing user experience.Developed payment integration with SSL for secure transactions.Added encryption in SharedPreferences using AES 128, enhancing security.Implemented push notification features to improve user engagement.Collaborated with UI/UX designers to improve app design.Target, MNAndroid App DeveloperOctober 2013 November 2015Target AppConsumed web services with a Volley client, improving data retrieval efficiency.Configured app to search for local job openings, enhancing app functionality.Applied map search feature and Realm database, improving user experience.Modularized code using Dagger 2 dependency injection, reducing code complexity.Implemented Bolts Framework for complex error handling, improving app stability.Improved user interface with AndroidSlidingUpPanel component.Replaced old SQLite database with Realm, enhancing data sync and collaboration features.Configured private GitHub for code repository, improving version control.Implemented Google Maps for location-based search features.Worked closely with UI/UX designers to enhance app usability.Chick-fil-A, San Francisco, CASoftware EngineerJune 2012 October 2013Worked on internal applications and ran test automation scripts, improving software quality.Used Selenium for web browser testing and Appium for mobile testing, enhancing test coverage.Employed GIT (Bitbucket) for code repository management, improving version control.Used Jenkins for storing and scheduling tests, streamlining continuous integration.Developed and maintained automated test scripts for different platforms.Collaborated with cross-functional teams to ensure software quality.EDUCATIONBachelor of Science in Computer ScienceUniversity of North Georgia, Dahlonega, GAADDITIONAL INFORMATIONProficient in RxJava and Kotlin.Skilled in using Jetpack Compose for UI development.Experienced with CI/CD tools like Jenkins and Bitrise.Knowledgeable in cross-platform development using React Native and Flutter.Familiar with Android Automotive OS for car infotainment systems.Excellent communicator and leader, adept at cross-functional team collaboration. |
