SUMMARY

• 5 years of experience working in the Computers and Information Technology field
• 5 years of experience working with the Android environment with more than 5 deployed apps in the Play Store
• Worked with Product Management, Delivery teams and Project Management to translate requirements into tasks for deliverables.
• Collaborated with Software Engineers for the design and development of back - end services.
• Expertise of advanced software engineering concepts: object-oriented design, hypermedia, device management, semi-native & HTML5 technologies, and memory management.
• Experience with embedded local storage solutions such as SQLite.
• Monitored, triaged and assessed the Android app's performance, bugs, and defects.
• Familiarity with agile/iterative development methodologies (XP, SCRUM, etc.).
• Real-world experience is building very large scale, high availability applications.
• Experience prototyping mobile experiences., and creating user interfaces following specifications.
• Experience working on-site and off-site teams and management.
• Experience with image manipulation and animation, including techniques like alpha blending.
• Exceptional communication, project management, and organizational skills with the ability to build positive relationships with boards and stakeholders, senior executives, all levels of staff, and clients.
• Employed continuous integration using Jenkins, Travis, Hudson.
• Experienced in the development process for non-phone and tablet Android Frameworks: Android Wear, Smart TV developing and Android Auto testing.
• Worked in an Agile environment with strong SCRUM and pair programming fundamentals.
• Google Play Store certified publisher, building ASO campaigns and keyword lookups.
• Tested an early implementation of Firebase as a straightforward and real-time Mobile Backend.
• Created the initial setup of multiple continuous integration servers to help the build creation process (Travis, Jenkins, Circle-CI).
• Experienced with Android 4.0 (Wearables, Holo interface), 5.0 (Material design, ART), 6.0 (Runtime permissions, Standby mode). Currently previewing changes in Android N, like multi-window support and the drag and drop behavior.
• Conducted business and technical Knowledge Transfer sessions for new recruits.
• Coordinated efforts with different background professionals such as system analyst, graphic designers, developers and technical documenters.
• Used Fragments, diverse layouts, animations, Material Design components, Compound Views and Custom Views to fulfill user interface requirements.
• Have implemented customized HTTP clients to consume a Web Resource with Retrofit, Volley, OkHTTP and the native HttpURLConnection.
• Led various teams from early steps in the requirement gathering process to the designing of final builds.
• Skilled working with SOAP and RESTful web services using Retrofit, Volley, and OkHttp.
• Self-motivated, goal-oriented and able to work without supervision.

TECHNICAL SKILLS

Programming Languages: Java, C, C++, C#

IDEs: Android Studio, Eclipse, IntelliJ, Visual Studio

Version Control: Git, GitHub, BitBucket

Web Technologies: HTML/CSS, JavaScript, REST, JSON, GSON, SOAP, XML CMS, Joomla

Software Programs: MS Office: Word, Excel, PowerPoint

Design Patterns: MVC, MVP, MVVM, Singleton, Dependency InjectionBuilder, Factory, Façade, Proxy, Command, Observer

Methodologies: Material Design, Dependency Injection, Test Driven Development, Continuous Integration, Agile, Scrum

Native Java Frameworks: Java Swing, Ajax Swing, GWT

Issue Tracking: JIRA, Jenkins

Data Related Tools: NFC (Near field communication) technology.

Firebase: SQL, SQLite

Android Miscellaneous: FloatingActionButton, OkHTTP, JUnit, Spork, Google Analytics, SOAP, Android Auto, Retrofit, MVP, ProGuard, Glide, AndroidAnnotations, Libphonenumber, Broadcast Receivers, Cipher, ZXing, Chromecast, Robotium, JobScheduler, Eclipse, Android Wear, Firebase, EventBus, Cordova, JIRA, Content Resolvers, Push Notifications, Git, Lollipop, Ion, GSON, LeakCanary, Fragments, REST, AsyncTask, Volley, SmartTV, Maven, Espresso, Dependency Injection, Android Studio, Subversion, Facebook SDK, Certificate Pinning, animations, CoordinatorLayout, Protobuf, RxJava, Otto, Dagger, Hugo, Loaders, Answers, Sugar, Google Cloud Messaging, Runtime permissions, Kickflip, Parse, MonkeyRunner, GcmNetworkManager, ProgressBar, NFC, Fresco, ORMLite, Jenkins, IBM Mainframe, AIX OS, iOS, PovRay, JSON, Dojo, Python, C++, Mac OS, Windows, SharePoint, ArcGIS, Windows Server, C, Remedy, SQLite, AES Encryption, Java, SQL, Linux OS, CSS, Scheme, Pandas, GGPlot, HTML5, Bash, Linux, JavaScript.

PROFESSIONAL EXPERIENCE

Lead Android Developer

Confidential, Tampa, FL

Responsibilities:

• Participated in full software development lifecycle (SDLC), starting with gathering requirements and working with Product Manager to document accurate requirements, features, and end- product design.
• Worked with cross functional and diverse teams as well as stakeholders to ensure excellent service and accurate rendering of product.
• Ran a team of Android developers and worked with product manager to develop a project plan with stories, and to prioritize tasks.
• Worked closely with UI/UX designer and Product Managers, contributing ideas on UI/UX functionality and features with technology planned into the design for ready implementation.
• Developed features for the Android app which include the capability to view wait list in real time with progress, and make reservations in the mobile app.
• Integrated location based services using Google Maps, Google Places and Google Directions APIs to display nearby locations.
• Implemented specials display by creating custom RecyclerView Adapters.
• Managed JIRA for project management, and bug tracking as well as assigning tasks; following up on tasks, issues and backlog.
• Verified project progress and bug fixes including verifying data inputs are non-null, verifying Activities and Fragments are visible when returning from callbacks, using Intent flags such as SINGLETOP so that only one Activity in a task is created, and modifying RecyclerView Adapter classes to create custom LayoutManagers.
• Used static inner classes to avoid memory leaks.
• Implemented LoaderManagers to asynchronously load data and to integrate with an Activity’s or Fragment’s lifecycle.
• Developed a custom RecyclerView to provide a more fluid UX when being used with an AppToolbarLayout.
• Developed software using the Agile method, including engaging in bi-weekly Sprints and estimation of Story Points for backlog items.

Senior Android Developer

Confidential, Hoffman Estates, IL

Responsibilities:

• A login page that utilizes Cisco Single Sign On to authenticate users before accessing protected resources via web URLs.
• Utilized a custom class that extended from the WebView class that observed redirection of URLs when a resource required authentication prior to being accessed.
• Observed a SSO cookie that was set when authentication was established successfully.
• Utilized a class that implemented the @JavascriptInterface annotation to store retrieved JSON content via the custom WebView class.
• A customizable UI that was based upon the content of the retrieved JSON data that contained information about the state of Cisco application servers, including whether they were Up or Down.
• JSON data was hierarchical with several attributes, which could be customized by a separate JSON file to display specific attributes such the Up/Down status, Date & Time of the latest status, hostnames of the Application server hosts, etc.
• A background service that periodically pulled data from the web URL and sent refreshed data to the UI page appropriately via a bound connection.
• Implementation of Google Cloud Messaging with the app to register for and receive Push Notifications that contained similar hierarchical JSON data pertinent to a set of application servers with the Down, and a single Up status when a previously Down server had been restored.
• Registered to a specific topic to receive Push Notifications so that all devices with app could receive the same Push Notifications.
• Utilized the Android 3rd party libraries: RxJava, IcePick, Butterknife, and Retrofit.
• Utilized RecyclerViews and RecyclerView Adapters, SwipeRefreshLayouts, and background Services.
• Extended the InstanceIDListenerService and GCMListenerService to receive GCM Push Notifications.
• Used APIs from different SDK levels to support backward compatibility.
• Identification of issues during the test cycles.
• Unified designers and developers in the redesign of the UI screen with compound views.
• Added Push Notification features with Google Cloud Messaging and Firebase Cloud Messaging.
• Used the location API, Maps View, GoogleView and Google Maps for store locator feature.
• Used the SQLiteOpenHelper to connect with the local database and perform CRUD operations.
• Worked with the testing team and used developer testing tools like JUnit, Robolectric, Espresso.
• Included Retrofit with RxJava to make asynchronous HTTP requests in an anonymous callback.
• Utilized Git version control tool as the source control management system.
• Generated a custom behavior in multiple screens included in the Coordinator Layout to hide the Toolbar and the Floating Action Button on the user scroll.

Senior Android Developer

Confidential, Atlanta, GA

Responsibilities:

• Used Spongy Castle to encrypt sensible data.
• Served as a technical lead within the company to develop the technology stack.
• Used Loopj for asynchronous callbacks together with the Loading Everywhere library.
• Developed custom and compound views to match UI/UX specifications.
• Used SQLite to cache information to be used in no-network environments.
• Implemented List View using the view Holder pattern to improve the performance.
• Proficiency in Java. Worked with JDK (Collections, Generics, Networking, Core Java). Understands Java concurrency, memory management.
• Created a compact Content Provider implementation to handle caching between network connections in the final build.
• Coordinated the implementation of Volley in the HTTP requests inside the application.
• Responsible for the design, implementation and test phases of the application.
• Use of SQLite database schema to persistent data storage for every schedule
• Modified the navigation and replaced activities with Fragments.
• Generated documentation for detail design including wireframing Mockito.
• Documented the project with JavaDoc
• Solid understanding of Android app development life cycle including Google Play and Amazon App Store compliance policies and submissions requirements.
• Introduced the Push Notifications through Urban Airship.
• Extensive use of support libraries to ensure backward compatibility with older Android versions.
• Continuous integration with Jenkins and automated testing with Android Annotations framework.
• Created custom views to present data as it was needed.
• Designed tweaks to the look and feel using Model design.
• Used GitHub private repositories with standard Workflows as a Version Control Software.

Android Developer

Confidential, Dallas, TX

Responsibilities:

• Used persistent data on the device to store information already loaded for future use.
• Guide decisions on architecture and technical strategy.
• Implemented the Google YouTube API for playing videos.
• Used ListView and adapters to load data onto lists at runtime.
• Thrive working in a fast paced, agile environment constantly learning.
• Implemented RESTful call to receive JSON based response and parsed to display data to the user.
• Mentored Junior Android Developers during the development cycle and process.
• Utilized Git version control tool as source control management system
• Designed the UI/UX of the application using animations and transitions.
• Worked with SCRUM methodology to have a prototype to show every two weeks
• Experience in working with Video, Static content, and advertising.
• Enhanced the UI/UX to follow the guidelines provided by Google’s Material Design.
• Implemented ListViews for loading most of the catalogs.
• Setup jaCoCo to check my code coverage of new code.
• Tested the UI with Espresso and Beta Testing with Crashlytics.
• Independently developed and expanded native mobile applications for Android platforms according to specifications handled by a design team or the clients.
• Integrated Retrofit to consume RESTful web services (GET, POST, DELETE, PUT)
• Have participated in innovation, design, and architecture of the apps.
• Used Google GSON to parse JSON files.
• Designed and implemented user-facing features in our mobile applications.
• Performed peer reviews on colleague’s code to ensure consistent standards.
• Providing assistance to code merges, builds, deployments, and ensuring production stability.

Mobile App Developer

Confidential, San Francisco, CA

Responsibilities:

• Attended the meetings with the clients to know more about business and requirements.
• Helped to manage the versions of the application through subversion best practices.
• Experience using Source Control (Git, SVN, Mercurial).
• Utilized Git version control tool as source control management system
• Participated and conducted SCRUM meetings to review project progress.
• Use of SQLite database schema to persistent data
• Developed graphic interface and UI for some activities.
• Creates wireframes using Adobe Photoshop
• Ensure excellent form factor integration by creating multi-panel activities with Fragments.
• Used Pending Intents to handle database updates after a boot was completed.
• Worked with JUnit to complete all test cases.
• Created the SQLite helper for the local storage of the application.
• Reused some of the earlier versions of the application code.
• Experience building custom API solutions for external parties to tie into.
• Designed the application with an MVP approach, setting up all the interfaces and the decoupling of the classes.
• Use of Hudson as continuous integration tool, scheduling the application
• Developed Custom Views and Compound Views.
• Worked with AsyncTask for multithreading and services with AsyncTask for longer running asynchronous tasks.
• Solid background in OOP and knowledge of software design patterns/best practices.
• Considerable experience debugging and profiling Android applications.
• Designed the UI/UX of the application using Custom Views and List Views.
• Development of quality code using cutting-edge techniques, tools, and utilities.
• Designed Widgets for the purpose of keeping track of tasks and reporting object completed updating your stats.
• Integrated JUnit to complete all test cases.