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Dmitry Poznyak, C# Developer in Hong Kong, Hong Kong
Dmitry Poznyak

C# Developer in Hong Kong, Hong Kong

Member since March 11, 2016
Dmitry is an expert in .NET/C#/Windows development with 13 plus years of experience in IT and finance. He builds software that is designed to last and evolve, and does it quickly. He uses automated testing and an Agile approach.
Dmitry is now available for hire

Portfolio

Experience

  • C#, 13 years
  • .NET, 13 years
  • Test-driven Development (TDD), 10 years
  • Design Patterns, 8 years
  • Requirements & Specifications, 8 years
  • WPF, 6 years
  • Windows API, 5 years
Hong Kong, Hong Kong

Availability

Part-time

Preferred Environment

Windows 10, VS2015+ReSharper, PowerShell, Git

The most amazing...

...project I ever delivered helped earn millions of dollars and is in the #1 position in the credit derivatives market.

Employment

  • Development Lead | Manager, Client Apps Development

    2014 - 2016
    ExpressVPN
    • Designed and developed a Windows app and cross-platform shared modules (using .NET, Golang, C++).
    • Built networking and privacy features for Windows using C++ and Golang.
    • Built and lead a team of 5 senior developers responsible for all ExpressVPN client apps: coached and mentored on design, did automated testing, did code reviews, and collaborated with developers. Planned and managed work.
    • Promoted holistic architecture thinking, structured approach to decision-making, and technical risk management.
    Technologies: .NET (C# WPF), Golang, Win32, C++, TCPIP
  • AVP | Lead Developer

    2013 - 2014
    CITIBANK (HONG KONG)
    • Led the development efforts on strategic global integrated GUI for High-touch/Delta One FO for APAC BoW.
    • Built business-critical features front-to-back across whole software stack (WPF, Java, KDB+, TIBCO EMS, proprietary frameworks).
    • Coached and mentored junior developers.
    • Evaluated technological and architectural options and propose solutions for global and regional Equity derivatives traders.
    Technologies: .NET (C# WPF), KDB, Java
  • Technical Lead | PM | Lead Developer

    2007 - 2013
    Deutsche Bank
    • Led on-site and vendor developers on global multifunctional user-facing trading application used by traders globally.
    • Built pioneering systems for a credit derivatives electronic trading bank that placed the bank as #1 in the global derivatives market.
    Technologies: C#, WPF, WinForms, Java. Tibco EMS, SOAP, XML/XSLT, 29West, KDB; C++.
  • Lead Developer

    2009 - 2012
    PS LLC
    • Developed and performed project management on subcontracted government and corporate projects.
    • Carried out business analysis, designed solution architecture, and implemented core parts.
    Technologies: .NET (C#, ASP.NET, WinForms), Java
  • Development Lead | Solution Architect

    2005 - 2007
    PHARMANET LLC
    • Led an IB solution for pharmacy networks.
    • Built POS and BO automation for pharmacy networks in .NET.
    Technologies: C#, WinForms, ASP.NET, Java, C++
  • Software Developer

    2005 - 2005
    PIXELSOFT LLC
    • Peformed analysis, design, and development within outsourced projects for large-scale government and international corporate clients.
    • Built applications using .NET, SharePoint, and VC++.
    Technologies: C#, C++
  • Software Developer

    2003 - 2005
    COMPUTING FORCES LLC
    • Developed a number of auxiliary B2B and B2C services for electronic cash (WebMoney) operator, including an exchange platform and online retail services portal.
    Technologies: C#, ASP.NET

Experience

  • Citibank -- Strategic Trading Applications (Development)

    High-volume, next-generation trading applications built in C#, KDB, and Java.

  • Deutsche Bank -- Trading Desktop (Development)

    A trading system used by traders globally in Deutsche Bank (Credit Derivatives). Built with C#, WinForms/WPF, Infragistics, Telerik, SOAP, and Tibco.

  • ExpressVPN Client App (Development)
    https://www.expressvpn.com/

    Used by 100k+ users, has VPN connectivity, client-side algorithms, privacy, network security. Built with C#, WPF, and Golang.

  • Federal Agency for Financial Markets -- B2B Reporting Portal (Development)

    A web portal and ERP for Russia's Federal Agency for Financial Markets. Built with ASP.NET MVC, MSSQL, and SOAP/WCF.

  • Helicopter Route Logging Application for HeliTeam (Development)
    http://heliteam.no/en/

    A GPS-enabled application to help pilots track their route tasks. Built with Windows/WPF and OSM.

Skills

  • Languages

    XML, C#, T-SQL, Go, UML, C++, SQL, AutoIt, HTML/CSS, TypeScript, JavaScript
  • Frameworks

    ASP.NET MVC 6, Caliburn.Micro, Rx, .NET, NUnit, WPF, ASP.NET MVC, ASP.NET MVC 5, ASP.NET, Entity Core, Angular, Bootstrap, SpecFlow, ADO.NET
  • Libraries/APIs

    Reactive Extensions, Windows API, Win32 API, jQuery, Infragistics, TIBCO, ZeroMQ, WinForms, Xamarin.Android, Xamarin.iOS, RxJS
  • Tools

    Jira, MSTest, Microsoft Excel, Autofac, StarUML, Balsamiq Mockups, Fiddler, CC.NET, RSpec, AWS SQS, AutoHotkey, Prism
  • Paradigms

    Model View Viewmodel (MVVM), Test-driven Development (TDD), Design Patterns, OOO, Functional Reactive Programming, Continuous Integration (CI), Scrum, Agile, Behavior-driven Development (BDD)
  • Platforms

    Windows 7, Windows 8, Windows UI, Windows, Windows 10, Win32, Google Cloud Engine, Heroku, Azure, MvvmCross, Xamarin
  • Other

    Order Management, Trading, Requirements & Specifications, Architecture, User Requirements, Business Analysis, Banking & Finance, Network Programming, APIs, Network Protocols, Linear Algebra, Math (Geometry/Trigonometry), Math, Integration Testing, Windows10 Touchscreen, Xamarin.Mac, TCP/IP, User Experience (UX), Quantitative Calculus, Risk Analysis, Windows kernel drivers
  • Storage

    Microsoft SQL Server, JSON, AWS S3, Azure Queues, Azure Blobs

Education

  • Engineer’s Degree in Computer Software and IT
    2001 - 2007
    Bauman Moscow State Technical University - Moscow, Russia
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