Gyuri Grell Email & Phone Number

Waltham, Ma, Us

Re-architected the main Constant Contact iOS app to patterns used in Android app, including clean architecture, RxSwift, MVVM via ReactorKit, Moya for REST APIs and SQLDelight for database layer. Sync engine code on both platforms implemented almost exactly the same due to use of Rx.Moving most of Android codebase to Kotlin (currently around 55%) on an as-needed basis. Ported common library functionality to use Kotlin extension functions instead of “Utils” classes.Architected complex cross platform rich text editor for iOS & Android with hierachical JSON data containing template and document data. Editor follows MVVM pattern using ReactorKit/RxReactor. Moved API wrappers to use Retrofit 2, and Moshi for JSON conversion.Built an Actions on Google app which lets the user log in to their Constant Contact account and make queries about their latest campaign stats, as well as receive some email marketing tips. Built as an AWS Lambda in Kotlin, deployed via CloudFormation scripts. Natural Language Processing uses Dialogflow to turn speech into intents, which are then process by the lambda.Built out and maintain a large Confluence wiki with information for product, software development (including architecture and feature design documentation), quality assurance, and day-to-day tasks.

Waltham, Ma, Us

Architected the main Constant Contact app that enabled features for mobile users using clean architecture, MVP (and later MVVM), all tied together via RxJava. Built an Rx-based sync engine that handles caching data locally in SQLite database via SQLDelight library.Architected the MyLibrary Android app for helping users maintain their library of images and files in their Constant Contact account, as well as having a multiple file upload feature.Built an internal common code library used across several apps, which is regularly versioned and published to an internal Artifactory repo.

Waltham, Ma, Us

Continued to maintain CardStar Android with several new features shipped. Created a full parser and renderer of Apple’s Passbook passes (including instant updates via push notifications) on Android. Participated in short 3 month internal MVP launches to test mobile app ideas. Won several company innovation jams with team projects.

Editor of premier weekly newsletter for Android developers with over 57,000 subscribers. Operates as a team of three, with two members in Germany. Work closely with mobile conferences around the world.

Many freelancer and contractors work remotely, so I started this group with Charles Westcott to meet weekly at local coffee shops to get some work done, chat and watch the synergies emerge. Serving Southern Rhode Island, including Wakefield, Narragansett, South Kingstown, Charlestown, North Kingstown, Jamestown, Point Judith, and More.https://www.facebook.com/groups/sricw/

Founded a mobile developer community for Rhode Island and beyond to provide a productive forum for technical and business expertise in order to successfully navigate the world of apps and the mobile web.

Founded #AndroidDev Weekly, a weekly newsletter for Android developers around the world. Grew the newsletter to over 2000 subscribes with a much higher than industry average open and click rates. Worked with sponsors to help defray the cost of sending emails to subscribers. Merged newsletter in June with similar Android Weekly newsletter to make one great newsletter to even more readers.

Designing several games for the Android platform using Java and Eclipse. The first application, Grandma Jong, is available, free and paid, on both the Android Market and Barnes & Noble nook market. The applications effectively use animation and sound provided by the Android UI framework. Additionally, created original graphics in Photoshop and audio from licensed sound effects libraries. Maintaining codebase in various Mercurial repositories. Investigating use of Maven and Hudson to automate Android builds and testing.Authored an Android article for well-known and high traffic tutorials site Mobile Tuts+ and writing several more for personal site. Presented an "Introduction to Android" at the local Smartphone Developers meetup in front of more than 50 members, as well as BarCamp DC in 2009.Actively participated in the inception and continued growth of MoDevDC, an incredible meetup group and resource for mobile developers in the DC, MD & VA area. Founded MoDevRI, a similar group in Rhode Island.Released new Windows Phone 7 game, Bravo 21, to Microsoft's Windows Phone 7 Marketplace. The game makes extensive use of Silverlight and all its animation capabilities. User interface laid out in Microsoft Blend, including animation timelines. Currently porting game to Android using open source, OpenGL-based game engine AndEngine.

Lead architect of mobile platform for innovative new approach to location based and communication services. Developing multiple Android applications that take advantage of the Android platform's flexibility to offer this service. Packaged up Android SDK for communicating with MessageRadius servers, which included compiling to a .jar container and obfuscating contained code.Also developed a Windows client for the same LBS leveraging C# and the .Net platform. The application is a simple tab-based UI with customized rendering of tabs to match client's needs. Application delivered with installer for automated end user install and uninstall capabilities.

Boston, Ma, Us

Re-architected and re-designed CardStar's Android application to remove proprietary third-party libraries and created a faster and more stable version that closely followed the Holo design guidelines. Used open source RoboGuice dependency injection framework to streamline implementation. Used and contributed back to open source implementation of Android ActionBar. Application makes calls to web services for up-to-date deals, merchant information and backup/restore/sync functionality, parsed from XML.

Lead architect of large-scope implementation of Control4® MyHome for Android, a home automation application compatible with Control4 hardware. Designed application UI to supply universal look & feel across hundreds of device screens. Screens were implemented to work across a wide range of devices including medium and high density phones, 5" phones & tablets, 7" tablets and 10" tablets. Designed multithreaded architecture to allow XML requests and responses to and from server to happen in the background. Used open source RoboGuice dependency injection framework to simplify complex object interactions and testing. Had to creatively solve memory issues due to extensive bitmap imagery used in the UI, as well as having much of the device information in memory. Project used GitHub along with Tower for SCM. Used Pivotal Tracker for agile project planning and defect tracking. Scope: 1124 classes, 153 interfaces, 99171 LOC, 672 XML files.

Herndon, Virginia, Us

Responsible for full port of iPhone app to Android. Gained a complete understanding of Objective-C code base in order to duplicate equivalent functionality. Integrated Mozilla Rhino to implement JavaScript scripting environment. Customized the user interface to keep it recognizable, yet leverage the existing look-and-feel guidelines for the Android platform. Transformed iOS MVC pattern usage to counterpart on Android.

Redesigning and developing two personnel management systems for the Army/National Guard. Implemented innovative user interfaces to simplify the complexity of managing inflows and outflows of personnel and models of future changes based on historical data. Developed a modular dashboard interface, including the use of the Flash-based ESRI mapping control communicating with an ArcGIS server. Utilized ASP.NET web services backed by LINQ to supply data to dynamic pages using JavaScript. Managing updates and releases of an important code library used company-wide. Participating in Flash/Flex training.

Armonk, New York, Ny, Us

Completed full life cycle development (design, implementation, support) of an extensible application framework which is an important part of the IBM Information Server. Designed and implemented a skinned look and feel in C#. Developed parts of continuous integration system using CruiseControl.NET and NAnt, including automated tests using NUnit and NUnitForms, FxCop, and Clover coverage reporting. Used agile/iterative methodologies to deal with constantly changing requirements. Developed several custom controls for Eclipse. Collaborated with a User Experience team of 6 on requirements. Managed offshore team of 4 to 10 people writing requirements for new development and mentoring for design and implementation tasks. Participated in code review process of entire codebase. Developed a Yahoo! Desktop Widget for showing current status of the builds.

Us

Ascential Software was acquired by IBM; see IBM description above.

Us

Developed a windows service paired with a Winforms application in C# to automatically import/export accounts payable data to & from a cost management system that automatically processes, validates, and manages telecom access bills. Used interop to call into a legacy DLL to do the processing. Developed two web services to wrap functionality of legacy DLLs for the ongoing port of BillTamer to a web application. Provided additional MFC/C++ development experience for both new development and existing code base support.

Provided day to day coordination between developers and senior management using Microsoft Project and company-wide intranet based on Microsoft Share Point Team Services. Helped create Software Development Standards and Procedures. Maintained communications with clients about requirements, implementation and demonstrations. Designed and developed a query front-end to TraQ Enterprise as well as a web data entry application for police officers using ASP.NET, which included reporting via Crystal Reports 9. Designed and developed a .NET service application for Pocket PC based handheld devices to securely query and update SQL server databases on a wireless network. Designed and developed a Compact Framework WinForms data entry application and signature capture control for Symbol 8100 Pocket PC using .NET Compact Framework. Implemented several COM+ object for company's TraQ Enterprise scalable generic database management system using ATL. Created several databases using TraQ Enterprise, including asset and evidence tracking systems. Did extensive enhancement of MFC based screen editor and client application. Developed an ad-hoc reporting add-on using Crystal Reports.

Designed and developed Iconoclast Software's proprietary cross-platform game library and complementary tools for editing library related binary data (extensive use of STL). Game editor utilised COM technology to enable a simple, extensible plug-in architecture.* 2001: SiteSafe, Arlington, VA. Redesigned communication engineering tool, including: changed from an SDI to an MDI application, user interface changes to reflect current Microsoft standards using Xtreme Toolkit, report creation through COM automation calls into Microsoft Word and Excel. Used ADO to communicate with Microsoft SQL Server database. * 1999-2001: PE Biosystems, Foster City, CA. Designed and developed COM object wrappers for bioengineering calculations. Created new COM objects using ATL and STL.* 1999-2000: Coastal Amusements, Lakewood, NJ. Ported Iconoclast’s game library to Coastal Amusements' new touch-screen game console using the Watcom compiler and Causeway DOS extender. Supervised subcontractor in the creation of several games for platform.* 1997-1998: Fox Interactive, Los Angeles, CA. Managed the development of the Windows version of Fox Arcade: Sci-Fi Pinball and ported game to Macintosh platform.* 1997: Cinegram Media, Inc, Summit, NJ. Designed and developed a screen saver application for the Mac OS. using C++ and the PowerPlant GUI classes provided with Metrowerks CodeWarrior.

Arlington, Va, Us

Designed and implemented a charting ActiveX control in MFC which received data from a remote server via TCP/IP. The control implemented wizards to guide users through display settings. Ported networking transfer tool from Macintosh to Windows by implemented a large part of the MacApp framework on Windows using MFC. Ported telephony device front-end to the Macintosh platform using MFC. Access database storage was implemented on c-tree. MFC database hierarchy was rewritten to work with c-tree.

Developed PathPro, a Cellular and PCS telephone system engineering tool.

Bs, Computer Science

Education record