David Eršil Email & Phone Number

Prague, The Capital, Czech Republic

# Implementor of patent-protected solution for secure signing certificate storing (European Patent 2874094) - Signer BlueTooth Token for Android Wearable @ https://play.google.com/store/apps/details?id=cz.software602.signertoken# Passed Microsoft's 70-483 (Programming in C#) exam in late 2018 to become an MCP (Microsoft Certified Professional)# Author of a signing extension for Microsoft Edge browser# Implementor of custom Windows Crypto Services Provider (CSP) for HSM certificates - company's server-signing solution# Designer and implementor of authoring server application 602®Key used for server-signing authorization on mobile devices (ASP.Net, MS SQL Server, web services, Firebase Cloud Messaging). Maintainer of associated mobile application for Android# Member of Sofa development team since July 2023 (certificate management section maintainer)# Implementor of internal SmsProxy web application since March 2024 which serves as a proxy for SMS sending from various company's applications to an SMS provider.

Prague, The Capital, Czech Republic

# Started as a coworker on C++ PDF processing library and WinForms application, continued with XPS printer driver development for our products.# Author of a PDF viewer application for CzechPoint sites.# One of company's main mobile applications developers, responsible for Android, Windows Store and Windows Phone 8 cloud enabled PDF and web forms processing applications.# Being a member of the Long-Term Docs division since November 2014, I have developed 3 brand new client applications, bringing the LTD web service features to PC, Android and Windows Phone 8.1.