SUMMARY

• 5 years of experience developing native android mobile apps and web applications
• 6 years total of professional experience working in IT with high end technologies
• 6 Applications published on Google Play with great reviews and many downloads
• Planned, designed, developed and implemented successful large - scale projects architectures
• Full cycle development planning and implementation skills
• Expert on requirement gathering activities producing high quality technical documentation
• Strong leadership and communication skills in an Agile environments Scrum and Kanban
• Efficiently coordinated and mentored new members of the development team
• Self-starter, fast learner, and easily adaptable to new technologies
• Created apps that works on most devices such as smart watches, tablets and phones
• Worked developing apps for Android platforms up to 6.0 Marshmallow
• Skilled working the majority of the social networking SDKs such as Twitter and Facebook
• Experienced integrating RESTful and SOAP web services with security features
• Development with popular design patterns such as MVC and Dependency Injection
• Successfully managed integrated data security algorithms to protect personal data
• Enthusiastic about following best practices in programming and pair reviews
• Industry experienced in user interface and user experience (UI/UX) implementations
• Worked with various wire framing and design tools and mobile graphic design patterns
• Solid exposure to Version Control tools such as SVN, Git, Perforce, Bitbucket and TFS
• Familiar with project tracking tools such as HP Quality Center and Jira
• Exposed to automated testing environment such as Robotium and Robolectric
• Successfully managed/coordinated international teams in different time zones

TECHNICAL SKILLS

IDE: Android Studio, Eclipse, NetBeans, Visual Studio

Android Libraries: GSON, Volley, Picasso, Universal Image Loader, Retrofit, SQLCrypt SQLCipher, Bouncy Castle, Spongy Castle, AutoValue, ButterKnife, Dagger, Retrofit, Crashlytics

APIs: Google Maps, Google Cloud Messaging, Google Charts, Google Analytics, Urban Airship, Parse

Devices: Phones, Tablets, Smart Watches

Web Servers: IIS, Glassfish, Apache, Tomcat

Databases: SQLite, MySQL, SQLServer

Project and Version Control Tools: Jira, HP Quality Center, SVN, Git, Bitbucket, Team Foundation Server, Jenkins

Languages: Android, Core Java, J2EE, XML, HTML, CSS, C#

Agile Methodologies: Kanban, Scrum

PROFESSIONAL EXPERIENCE

Confidential - San Francisco, CA

Lead Android Developer

Responsibilities:

• Managed a team of 4 android developers worked with 2 UI/UX professionals and 2 Backend engineers
• Conducted requirement gathering meetings with company management, stakeholders and developers
• Generated technical documentation for the app architecture design on the front and back end
• Participated on the decision making process for design and architectural changes for the application
• Trained junior members of the team to better handle product support
• Organized the team and task workflow based on Kanban methodology approach
• Introduced TestFairy constant beta testing distribution and crash findings on several devices
• Integrated Android Pay and PayPal in order to support alternative option payments
• Managed support for the Android Marshmallow permission system with backward compatibility support
• Introduced Urban Airship Push Notifications to improve the user engagement
• Advocated Android Wear remote control using voice and custom notifications
• Advocated material design to incorporate the latest trend in UI
• Used Jira for centralizing information management and bug tracking
• Unified designers and developers in re hauling the UI/UX screens to incorporate custom views and compound views
• Suggested and developed the inclusion of a custom drawer and tabs consolidate the navigation of the application.
• Lobbied external networking libraries such as Retrofit and Volley to efficiently consume RESTful web services.
• Standardized Picasso Image Loader API as the default image loader across the application
• Implemented AutoValue for Parcelable generation
• Detected all sorts of memory leaks using the LeakCanary library
• Enforced local broadcast messaging for asynchronous communication between application components
• Enhanced the usage of SQLite databases for caching and storing frequently used information

Confidential - San Francisco, CA

Lead Android Developer

Responsibilities:

• Managed a team of 2 android developers worked with 1 UI/UX professionals and 1 Backend engineer
• Rewired and restructured the base architecture of the application to meet the material design specification
• Guided developers in writing the product documentation for the new version of the app
• Influenced developers to align to a regular functional unit testing regime close to the end of every SCRUM cycle
• Presented the app progress on behalf of the development team to the upper management
• Conducted constant code reviews with all members of the team
• Researched, evaluated and tested the app integration with several third party libraries for multiple purposes
• Introduced Parse Push Notifications with Parse Channels Subscriptions based on groups
• Advocated the inclusion of Dependency Injection using ButterKnife and Dagger
• Distributed the app to beta testers, collected logs, analyzed device and user behavior with Crashlytics
• Analyzed existing multi-threading issues and rectified them
• Revamped the user interface introducing material design color, shapes and animations
• Re-structured list views to recycler views with lazy loading for improved usability and lower memory footprint
• Standardized Universal Image Loader API as the default image loader across the application
• Debugged issues and cleaned up the code that caused heap memory issues
• Revised the logging framework which logs touch and gesture data tailored to the new architecture
• Interconnected the app with the Lotus Notes API to retrieve content from the IBM servers
• Authored, updated and maintained the developers guide for smooth onboarding of new developers
• Involved in rigorous manual testing of the application
• Used Bitbucket to maintain code versioning
• Obfuscated code to encrypt source code and maintain code secrecy
• Used IBM Rational Portfolio to control the project
• Performed Test Driven Development with Robotium and Robolectric
• Used Jenkins to initiate automated test bed
• Introduced Android Wear compatibility as proof of concept for the next app release

Confidential - McLean, VA

Senior Android Developer

Responsibilities:

• Managed a team of 2 android developers and 1 Backend developer
• Headed weekly SCRUM meetings every week for brainstorming solutions and new plans
• Actively participated in the requirements gathering activities including interviews and documentation.
• Educated junior members of the team on design patterns and code best practices.
• Proposed a UI revamping by aligning the application with suggested branding specifications.
• Investigated errors and bugs that caused undesirable behaviors with Flurry.
• Implemented asymmetric encryption algorithms to secure the communication between the application and the server
• Included Bouncy Castle on the server side and Spongy Castle on the app side
• Used SVN tool for managing and versioning code repository
• Used Jira for bug tracking and monitoring timeline progresses of the project
• Worked with Timber library to write logs in different places and control it in a centralized way
• Presented application feature demonstration to an audience consisting of higher management and company directors
• Re-structured list views to recycler views with lazy loading for improved usability and lower memory footprint
• Consumed RESTful web services using Volley API for Android
• Emended part of the web service modules to acclimate to the android application
• Created Custom and Compound Views including animations for visually appealing user interfaces.
• Co-authored product documentation such as developers doc, and release guide
• Coordinated the formulation and validation of functional test cases using Robotium
• Performed beta testing of the application with TestFairy for Android

Confidential

Android Developer

Responsibilities:

• Led a team of 1 senior developer, 2 UI/UX and 2 back end developers and one front end
• Coached new full time employees to ramp up on the project
• Authored release notes and critiqued user documentation
• Worked closely with the Architect on the design mock up for the UI
• Designed the restful API in conjunction with the back end team
• Integrated with Facebook for alternate login and posting operations
• Introduced Localytics for app crash tracking and beta testing.
• Engineered the entire Google Maps implementations for turn by turn operations using the network and GPS
• Designed and implemented diverse Services and Broadcast receivers
• Introduced Parcelable for object transfers within activities and Data Persistency during device rotation
• Implemented several communication bridges between a variety of third party service providers and companies
• Resolved issues with screen sizes and orientations for phones and tablets
• Reviewed and re-orchestrated test beds for their validity and consistency
• Took part in application code auditing reviewing best code practices and enforcing routine code review
• Answered off hour calls as a part of product support to support teams located off shore
• Used SVN for code version control
• Used HP Quality center to track customer tickets, bugs and commits

Confidential

Android Developer

Responsibilities:

• Worked with a team of 2 Android Developer and 3 UI/UX expert
• Used JustInMind prototyper for the screen design and overall navigation.
• Followed the Agile software methodology to accommodate changing client needs
• Introduced data analytics with Google Analytics to measure the user activity
• Developed the user interface with the UI/UX team
• Participated on the Restful API design with the back end team
• Created ListView with Compound Views to display new content
• Introduced View Holder Pattern implementation on the ListView to improve the memory management
• Designed the SQLite database schema and designed a synchronization service with the server database
• Revamped the UI following the company's new brand specifications
• Used GPS to know the location of the user to prioritize store content
• Worked with SVN for source code versioning
• Assisted in writing JUnit test cases and actively involved in manual testing
• Diagnosed and fixed bugs that caused unintended product behavior
• Spearheaded the product documentation process
• Better utilized the Android notification framework to deliver notifications at scheduled intervals of time
• Proactively provided product support after completion of the project
• Integrated Google Analytics SDK to analyze common user navigation flow.

Confidential

Android Developer

Responsibilities:

• Worked with a team of 2 Android Developer and 3 UI/UX expert
• Used JustInMind prototyper for the screen design and overall navigation.
• Conducted weekly and daily Scrum meetings to review project status.
• Co-authored product documentation such as developers doc, and release guide
• Implemented google maps API to show in a map the location of the closest store and directions to get there.
• Developed and implemented Facebook SDK and Twitter SDK to connect to the social medias the user experience
• Implemented AsyncTask to perform background operations and UI update without having to manipulate threads and/or handlers.
• Used JSON to exchange data via Restful web services.
• Implemented SQLite and server side database synchronization
• Diagnosed and fixed bugs that caused unintended product behavior.
• Used Subversion to manage repositories versioning control.
• Developed and used SQLite to add user’s favorite’s locations.
• Developed a simple ListView to display the closest gas station, point of interest, restaurant, etc.
• Used Google Maps API to display in map the places to go and instruction to get there.
• Developed grid views, adapters, and fragments to get a linear UI and easier to interact with.
• Used of HttpUrlConnection class and JSON to send and receive data over the web.
• Used ActionBarSherlock to have a compatibility action bar among devices and to set the tabs and options for user interaction.