SUMMARY:

• 5 years’ experience in software application development, proficient at Object Oriented Programming
• 3 years’ experience in developing mobile applications with Android SDK, and popular APIs like Google Map API V2, Facebook SDK
• 2 years’ experience of dealing with database using SQL, SQLite
• Expertise in Android UI design with XML and sub Classes, implementing Style, Theme and Animations handle hierarchy viewer and layout manager.
• Solid experience on the lifecycle of Activity, Fragment, Service, Broadcast Receivers. And implemented Intent, Bundle to transfer data between them.
• Expertise knowledge in Location Based Service, Notification Service, Async Task, Bind Service
• Experience in using Flags to control the execution of threads, good understanding of multithreading
• Strong knowledge on software design pattern (Singleton).
• Experience in using Wi - Fi and Bluetooth on real Android Device.
• Experience in building source code with ADT and debugging with DDMS, good understand of Strict Mode
• Experience in building connections between device and server (Web Service) using REST and SOAP
• Solid understanding of analysis of XML and HTML using SAX and DOM method
• Experience in Front-end technologies like JavaScript, HTML
• Solid understanding of Algorithm and Data Structure, having a habit of solving problems on Leetcode, Career Up and Cracking the code.
• Ability to develop unique, cutting edge applications for different handset and user requirements Good team player, problem solver and quick learner
• Self-starter, highly motivated, technically sound training and mentoring skills in driving development teams to successful solution.
• Strong analytical, communication, problem-solving, interpersonal, organizational and team monitoring skills.

TECHNICAL SKILLS:

Programming Languages: Java (Good knowledge on OOP), C++, HTML5, SQL, PERL, JavaScript, XML, VHDL, Verilog.

IDE: Eclipse, Visual Studio 2010.

Mobile Technologies: Content Providers, Alarm Manager, Broadcast Receiver & Services, RESTful, Web service, HTTP, JSON, XML, AsyncTask, Fragments and ActionBar, Android SDK 2.2 +, Emulator, ADB, DDMS, Oauth.

Database: SQL, SQLite DB, MySQL.

Defect/Bug Tracking: DDMS, Logcat.

Operation System: Windows, Linux (Ubuntu), Solaris.

Other Skills: Cadence Virtuoso, Synopsis Design Vision, ModelSim, SPICE.

PROFESSIONAL EXPERIENCE:

Confidential, Sunnyvale, CA

Android Mobile Applications Developer

Responsibilities:

• Integrated Android Google Maps V2 to locate current location and lookup a specific address on map
• Using both GPS and Networking method to connect to Internet, with a custom method to show a dialog indicating which one is used currently.
• Customized MSG UI and Used speech-to-text for composing MSG and text-to-speech to read MSG
• Customized calendar, add support to reminder setting and status bar notification using pending intent and alarm manager
• Other features: Open phone dialer, open default browser, browse contacts, browser incoming SMS MSG
• Utilized Fragment to construct different layout for Cellphones with different screen sizes.
• Customized List View for displaying the inbox messages, sender and sender’s telephone number
• Using Async Task for processing HTTP request, implement org.json to translate format between JSON Object and JavaBean.
• Achieved Multi-Language by building different value folder such as values-en, values-fr, values-es…
• Worked on debugging the application using Logcat, DDMS
• Created an constantly updating activity to refresh the UI and keep on creating new threads
• Nested Fragment programming while clicking a category of products, a Fragment Dialog as a container of View Pager, and each page of View Pager is also a fragment.
• Tested the app across different versions of Android and different android phones to assure quality and performance.
• Discussed the requirements with the client and documented the requirements

Environment: Java 1.7, Android SDK, Eclipse, XML, JSON, Text ToS peech, API, DDMS, Android Cell Phone.

Confidential, Sunnyvale, CA

Software Developer

Responsibilities:

• Manually laid out the layout of a smart calculator and designed the functionality of each button, with an action bar helping to manipulate.
• Built a custom SQLite database to store index and value data type, used a spinner to show the value base on selection of index
• Created an Fragment activity with two fragments, replacing each other with the status of screen dimension
• Made a set of 9 buttons changing background color constantly using handler
• Achieved to post messages and pictures to Facebook using Facebook SDK, and made the post button visibility bind to login status
• Enforced security by using custom permissions, so that component without permission cannot access to it.
• Exercised the Broadcast Receiver, the receiver would send a dialog notification when reboot completed
• Bind a service to make sure interfaces in service could be used by client and server, mBinder object in service class and could be used in user class
• Used built in Content Provider of phone app to directly fire an intent to call a number, created one custom Content Provider for my own database
• Used Parcelable interface and Serializable interface to transfer objects between activities
• Controlled the execution of activities by assigning different Flags to each activity
• Using the unique of creating a child class and replacing the codes to achieve the goal of minimum main thread run time, so that ANR is prevented.
• Debug the program to prevent the ANR(Android Not Responding) error happening by using Strict Mode.
• Applied break point and debug mode to step over each procedure making sure no bug exists.

Environment: Java, Android SDK, Eclipse, Broadcast Receiver, Preference, Oauth, API, DDMS, ActionBar, Spinner, SQLite, Handler, Bind Service, Content Provider.

Confidential, Syracuse, NY

Software Developer

Responsibilities:

• Designed a CAD tool which takes a logic expression as an input, and automatically generates layout
• Produced a program that generate netlist and layout based on the given Boolean expression with magic and C++
• Optimizations are performed to minimize overall area on design level
• Arranged the silicon sequence to minimize the diffusion gaps among transistors
• Minimized horizontal tracks for laying metals
• Friendly UI and Virtuoso-like layout area
• Besides, this tool could generate ASCII file that could be translated into industry standard GDSII file, which could be read into Cadence Virtuoso for direct use
• Used pSpice to simulate the delays of the whole layout, making sure it is noise tolerable.

Environment: C++, Visual Studio 2010, Win 7, Solaris, SPICE, Gordian.

Confidential, Syracuse, NY

Application Developer

Responsibilities:

• Implemented functionality based on result come up from discussion between client and techniques group.
• Developed UI in the XML file of the layout.
• Integrated Google Maps into the application using Google Android location-based APIs to display addresses and locations.
• Used GPS provider and Network Location based provider to access location data, automatically choose the best provider.
• When the GPS location is available, and the app passively use satellite status. If no satellite signal is received after a certain number of seconds, the app temporarily turns to Network Location based provider until the GPS starts properly. This process is done automatically.
• Involved in developing Integration and system test cases based on the business requirements.
• Experienced in JSON parsers to transfer to Lat Lng then use Geo coder class to transfer to real address.
• Experience with REST and SOAP Web services.
• Provided regular statistics and made presentations updated to maintenance team in weekly meetings
• Debugged the application using Logcat, DDMS.
• Check the collection use to prevent memory leak problems like out-of memory exception.

Environment: Android SDK 2.3, Java SDK 1.6, XML, Eclipse IDE, ADT Plugin, SQLite, REST.

Confidential, Syracuse, NY

Android Developer

Responsibilities:

• Find the SHA1 Hash Code using keytool in Java and Eclipse in both ways, in the command line window find the Debug. keystore.
• Installed Google Play Service with Android SDK, imported the google play service.lib into workspace, and added the library to application.
• Installed Intel x86 Emulator Accelerator and Intel x86 Atom System Image with Android SDK, making the emulator run smoother by installing com.android.vending-4.4.22.apk and Prebuilt Gms Core. apk
• Turned on Google Maps Android API v2 on Google Developer Site and applied the Android Google Map API Key with SHA1 Hash Code and package name.
• Using Location based Service to find the last known address and set on Location Changed call back to get the current location.
• Transferred the real address to Lat Lng and reverse using Geo coder class
• Applied the direction API in Google to send request then get JSON response, transferred the JSON data to Lat and Lng
• Deployed it to Android device and testing.

Environment: Java 1.7, Eclipse, Android SDK, XML, Google API, Direction API, DDMS, Android Cellphone.

Confidential

Software Developer

Responsibilities:

• Implemented functions for dynamic search based on user needs with procedures and triggers
• Produced views, forms and reports by Access and SQL Server and provided data backup and recovery strategy
• Wrote SQL queries for verifying accuracy and format of statistics in SAP Crystal Reports
• Performed unit and regression testing based on test plans and participated in the ETL development process
• Provided regular statistics and made presentations updated to project management team in weekly meetings

Environment: SQL Developer, MATLAB, Photoshop, JAVA, MS Visio.