Kral Ferch Email & Phone Number

Aurora, CO, US

Durham, NC, US

Seoul, Seoul, KR

As an engineer within the Coupang Media Group, I was part of standing up the company's first Ad Engine. It was very exciting going from generating no dollars for our company to generating millions of dollars a day. The lessons that I learned about big data and all the processing involved were invaluable and broadened my horizons greatly from my.

Seoul, Seoul, KR

• Settlements ServiceTech: JavaScript/TypeScript, AWS Lambda, React, Postgres, bash scripting, jq, TerraformI initially started as one of two developers creating the Settlement Service. The job of Settlements was to add.
• Our first version was a local JavaScript app that would sum the large amounts of data in Redshift and populate tables in a local docker instance of Postgres and then use the data from Postgres to create a monthly.
• An improved next version was written entirely by myself using AWS Lambda functions written in JavaScript that would nightly aggregate data from the previous day and refresh materialized views in an AWS Postgres.
• When our JavaScript/Node team was disbanded and absorbed into other Java teams I wrote the UI for the Java version of Settlements using React. The app had navigation by month, edit-in-place fields, and drag-and-drop of.

Redmond, Washington, US

• Mixer mobile appTech: React Native, TypeScript, RxJS, and Redux, targeting both iOS and Android.Heroes: Dan Abramov, Jay Phelps
• 6-months from start to launch. Wrote the Chat feature, a key component of the app.
• Wrote the socket handling and the protocol for the message traffic.
• Processed and displayed chat messages composed of text, links, direct mentions, and emoticons. In React Native this is achieved using nested Text elements in TypeScript which get translated to the native rich text.
• Implemented auto suggestions for emoticons, users, and commands. This feature uses regex matching to know when to show a popup list above the input element. ':', '@', and '/' followed by text results in searches of the.
• Complex UI to bring up the OS keyboard for normal text and emojis but toggled the same area for a custom emoticon picker.

Redmond, Washington, US

• Xbox Clubs, LFG, and Tournaments initiativeTech: C# and XAML on Windows 10Lead developer on the Clubs area.Read and understood the Unicode Emoji spec and wrote code to parse the various emoji characters data files and.
• Detect emojis in a message to increase their font size,
• Auto-suggestion for emojis to allow keyboard users to use colon ':' syntax in the chat message and tab/arrow complete the emoji they are looking for without needing the mouse.
• A visual emoji picker with tabs grouped by category for use with mouse and keyboard.
• For accessibility, the name of the emoji can be spoken on focus change.
• A family composer that allowed for customizing the user's notion of their family by choosing the number of family members, the combinations of man/woman/boy/girl, and altering the skin tone of each family.

Redmond, Washington, US

• Xbox app on Windows 10, Initial launchTech: C# and XAML on Windows 10Wrote many large pieces of the app. Notable contributions include:
• Implemented a heterogeneous list solution for our app. Many of our entities had the same visual presentation, like an image on the left with 3 lines of text on the right. Wrote XboxListItem and XboxGridItem custom.
• Implemented the real-time activity (RTA) feature in our app. Used a long-running thread for sending and receiving updates. All the People lists receive updates through pub/sub about rich presence changes such as online.
• Took on the Party Chat feature when a team member suddenly left. Led the v-team, mentoring 2 developers and holding the quality high while establishing strong cross-team collaboration with the platform team. A favorite.
• Implemented a trie search to speed up the user's experience when searching through large friend graphs.
• Wrote AttachedProperty implementations to provide a better architecture for MVVM patterns for ListView, ItemClick, and RightTapped.

Redmond, Washington, US

• Xbox One Console launchTech: JavaScript, HTML5, and CSS (WinJS) for Xbox OneHeroes: Doug Crockford
• Worked on many parts of the People app. Implemented innovative activity feed that would animate new information into the feed in real-time. Wrote the ‘block user’ feature allowing a user to block, unblock and show the.
• Created the common code area for our social apps and implemented wrappers for many of the services. Created a shared logger used by all of the social apps. It had a simple powerful API that could log to the debugger.
• Extended our build system to automatically detect the presence of an event tracing manifest in any of our social apps in order to generate the source code necessary to send those events to the cloud. The design allowed.

Redmond, Washington, US

• Zune Video and Music Marketplace on Xbox 360Tech: C++ and XUI for Xbox 360Patent US8819043: "Combining song and music video playback using playlists"
• Developed the NowPlaying and SmartVJ features for the 2012 Zune Pass release.
• Primary developer for the Music Marketplace app on Xbox in 2010. Came up with an idea for having music videos mixed in with audio tracks in a now-playing experience that was initially rejected because it was thought to.
• Responsible for the Library feature for the Video Marketplace app on Xbox in 2009, which presented the user with video content based on integrating purchase history information with metadata from downloaded content.
• Took ownership of the crucial purchase flow and details page feature when it had slipped near code complete. Wrote 180 unit tests for the feature using Test Driven Development. Put in 143 hours in a two week period on.
• Through involvement in the Unit Test distribution list at Microsoft, identified a xUnit framework (CppUnit) created by the Forza team several years ago. Re-engineered it to work with VS2008 and published it on CodeBox..

Redmond, Washington, US

• Xbox 360 DLNA player (PlayTo)Tech: C++ and XML for Xbox 360
• Technical lead on the project. Designed the initial architecture and stood up a working implementation of the Zune layers with keyboard input that fully simulated the API of the XAM code that hadn’t been written yet..
• Designed and implemented a PlayToManager singleton to manage the state of our Xbox Digital Media Renderer (DMR). PlayToManager provided the XAM with details about the exact state we are in from a DLNA perspective as.
• The DMC for our golden path scenario was the Windows 8 OS which provides an API for app developers to stream content from Win8 to our Xbox DMR. The Windows 8 DMC provided several resources to choose from for streaming.
• Strong cross-team collaboration with Xbox 360 platform team and the Windows Media team.

Redmond, Washington, US

• Microsoft AutomotiveTech: C++ for Windows Embedded CE
• Solely responsible for the design and development of the Media Player application for the Ford SYNC project.
• The Media Player application provided a consistent look and feel for 7 different car head units including 4 different textual displays and 3 different form based displays.
• The Media Player application provided rich speech functionality using SAPI 5.1. Dynamic grammar rules were constructed to allow the user to ask for their music by the metadata fields associated with the music in their.
• Test Driven Development was used where possible. The Tux test harness provided by Platform Builder was used to house the tests and custom mock objects were created to represent entities external to the Media Player.

Dublin, OH, US

• Tech: C# and FitNesseHeroes: Kent Beck, Ward Cunningham, Uncle Bob Martin, Gang of Four, Eric Evans
• Architect and primary developer on the Guardrails Editor (GRE), a single-user desktop application with a rich object API and a file format relying on.NET serialization. Validation and UI objects work in concert with.
• Architect and primary developer on the System Management Server application, a multi-threaded Windows Service designed to initiate and throttle the upload of a GRE file to a network of wireless-enabled infusion devices.
• Designer and developer of portions of the Communications Kernel application, a Web Service that uses.NET Remoting to communicate with a Windows Service which in turn talks with embedded devices via wireless 802.11b..

US

Tech: C#, C++, COM, ASP.NET, ADO.NET, SQLDesigned and developed the integration of a proprietary application and Microsoft’s Encarta Class Server application. The project was a multi-tiered.NET application making use of ASP.NET for the presentation layer, C# assemblies containing the business logic, and ADO.NET to access Microsoft SQL Server 2000. Also.

Cork, IE

Tech: C++, ATL, COM, XMLHttpRequestDesigned and implemented the communication modules for a healthcare application which allowed nurses to chart patients with a portable handheld device. The data was sent and received using XML over HTTP.

Irvine, CA, US

• Tech: C++, XML, COM, ATL
• First Software Developer IV hired when corporate headquarters moved to La Jolla, CA.
• Team lead on a prototype scalable web application to be used by new web projects at Gateway. Created a framework that was reviewed by Microsoft Consulting Services and deemed creative and innovative. The framework used.
• Designed and implemented business layer Microsoft Transaction Server (MTS) objects for Gateway’s largest eCommerce project.

Tech: C++, COM, DCOMAnalyzed memory leaks, maintained existing DCOM code base, and designed and implemented a RAS connectivity solution for a DCOM product.

Reston, VA, US

• Tech: C++, COM, DCOM, ATL, MFCHeroes: Martin Fowler, Don Box, Charlie Kindel, Bjarne Stroustrup
• Designed and developed several key applications of the PacMedNet (PMN) 3.0 project including the Master Subject Index using MTS and MSMQ which was implemented as several DCOM, NT Service, and DLL components created.
• Designed and developed an HL7 Interface Engine using Visual C++, asynchronous socket communication, multithreading, ODBC to an Oracle database, and DCOM.
• Designed and implemented an expert system for the Office of the Secretary of Defense, written in Visual C++, MFC, and Win32 and cross-compiled to the Macintosh.
• Designed and developed several other projects written in C and Motif/X11R4 for the UNIX platform.

Reston, Virginia, US

Tech: C, Sun ViewWorked on Top Secret project which included designing and modifying new sections of an application component to allow users to manipulate resources on remote machines. Created and edited Sun View frames and subwindows and their associations with the Sun View Notifier using the C programming language.

Dallas, TX, US

Tech: C, XwindowsHeroes: Kernighan, RitchieWorked on a Top Secret project which included designing and implementing a complex graphical editor suing XI IR3, the Athena widget set, and Xlib calls. Completed and upgrade for a PC-based application producing a 10-fold speed increase over the original application. Both programs were written in C. A second Top.