Arthur Stankevich, Algorithmic Trading Developer in Ljubljana, Slovenia
Arthur Stankevich

Algorithmic Trading Developer in Ljubljana, Slovenia

Member since February 18, 2016
Arthur has 15 years of professional software development experience, mostly with .NET and SQL Server. He started with desktop database applications, moved to client-server application development and project management for real-time systems with clients and servers distributed over four continents.
Arthur is now available for hire




Ljubljana, Slovenia



Preferred Environment

Git, Visual Studio, Test-driven Development (TDD), Agile

The most amazing...

...project I've developed is a high-frequency trading system that uses data from the US and UK, exploiting the Russian exchange core's lag during high load hours.


  • Freelance Full-stack Developer

    2017 - PRESENT
    Axle Web and Hosting (via Toptal)
    • Implemented a website for customer management and financial reporting.
    • Implemented a back-end for Android and iOS apps.
    Technologies: PostCSS, Angular, Webpack, Microsoft SQL Server, ASP.NET Web API
  • .NET Developer

    2018 - 2018
    LGT Capital Partners
    • Implemented order routing for an in-house trading system via FIX protocol to Goldman Sachs' FIX server.
    • Developed an order execution simulator to mimic Goldman Sachs' FIX server behavior.
    • Developed automated end-to-end tests for LGT in-house trading systems.
    • Negotiated FIX engine configuration, testing process and schedule, and certification steps with GS on behalf of the client.
    • Implemented a web application to monitor application components' states.
    Technologies: Vue.js, MSTest, QuickFIX, Microsoft SQL Server, Dapper, C#
  • Smart Contract Developer

    2018 - 2018
    Cryzen (via Toptal)
    • Developed a set of smart contracts for dividend payout according to the client's requirements.
    • Created automated tests using Truffle to verify contract logic.
    • Created shell scripts for contract deployment.
    Technologies: Truffle, Solidity
  • Software Developer

    2017 - 2017
    Savernake Capital/Savernake Technology (via Toptal)
    • Implemented quote subscription and parsing from Ctrader FIX API service.
    • Implemented trading connection (orders and positions) for Ctrader FIX API service.
    Technologies: C#, MSMQ, FIX Protocol
  • Smart Contract Developer

    2017 - 2017
    Axle Web and Hosting
    • Implemented a set of Ethereum smart contracts and libraries in Solidity for Raffle distributed app.
    • Implemented automated tests for Ethereum contracts using Truffle framework.
    • Implemented a front-end for the distributed app using Webpack, Angular, and PostCSS.
    Technologies: Webpack, Angular, Solidity, Ethereum
  • Freelance Retail Reporting Developer

    2017 - 2017
    Savernake Capital/Savernake Technology (via Toptal)
    • Optimized memory and performance for an existing reporting system.
    • Added new order routing and quote integrations to the existing trading system via FIX protocol.
    • Added automated testing tools for the existing trading system.
    Technologies: FIX Protocol, MSMQ, MySQL, C#
  • CTO

    2016 - 2017
    Company 73
    • Developed and deployed infrastructure for continuous integration.
    • Developed a custom application-specific mechanism for data synchronization between multiple locations with support for version validation.
    • Created a code generator for API controller wrappers for faster integration test development and easier maintenance.
    • Implemented custom authentication scheme with session verification, and both cookies and header token authentication.
    • Developed automatic website self updates for a farm of sites in customers' locations connected to a single cloud site.
    Technologies: Entity Framework Core, ASP.NET Core, C#
  • Freelance PayPal/.NET Developer

    2016 - 2016
    DecoratorsBest (via Toptal)
    • Upgraded existing ASP.NET customer websites with an extensive set of custom controls and forms from .NET 2.0 to .NET 4.5 and to the new PayPal API.
    Technologies: .NET, ASP.NET, PayPal
  • Freelance Quickbooks Online and Xero to SQL Integration Specialist

    2016 - 2016
    Axle Web and Hosting (via Toptal)
    • Implemented data replication from Xero and QuickBooks online from multiple customers to a single centralized storage.
    Technologies: Microsoft SQL Server, Xero, Intuit QuickBooks, C#
  • CTO

    2014 - 2016
    • Developed scalable architecture for a multi-tenant web application.
    • Implemented a universal reporting framework for Entity Framework with Entity SQL.
    • Implemented TeamCity build configurations with automated pull request deployment.
    • Created a testing framework that supports verification of the entire back-end logic from user authentication to generated email content verification and log validation.
    • Developed a membership-based user access control configuration and verification system with per-action and per-object granularity.
    • Created an automated deployment system for a web application.
    • Implemented integration with Payture and Yandex payment systems with automated integration testing.
    Technologies: Microsoft SQL Server, Entity Framework, ASP.NET
  • Requirements Owner, Main Developer, QA, and Sysadmin

    2011 - 2014
    • Developed integration with the Plaza2 interface of Moscow Exchange (i.e., Russian Trading System exchange) using .NET COM Interop.
    • Developed integration with CQG .NET data provider.
    • Implemented proprietary high-performance market data and order routing protocols over TCP/IP.
    • Deployed and managed a distributed trading system on Windows and Linux platforms.
    • Architected and implemented a fully automated high-frequency trading system that operated across several exchanges 24/7 for several years with minimum required maintenance.
    Technologies: Protobuf, TCP/IP, COM, .NET
  • Project Manager

    2010 - 2013
    • Managed 25+ software development projects from inception to completion with average size of one man-year.
    • Created and maintained detailed project plans.
    • Organized regular project status reporting and managed issue escalation in both bottom-up and top-down directions.
    • Ensured streamlined risk and scope change management on a day-to-day basis.
    • Worked on resource allocation and project task assignments with globally distributed teams.
    • Assisted development teams with issues related to software processes.
    Technologies: Scrum, Microsoft Project
  • Senior Software Developer and Process Coach

    2006 - 2009
    • Integrated performance-critical order routing controls into a futures trading .NET application.
    • Created instant messenger for a CQG client and customized Coversant IM Server.
    • Implemented a high-performance guaranteed message delivery library in C++ for CQG order routing server.
    • Consulted development teams on the subject of software development processes.
    • Maintained performance critical real-time data servers providing low latency market data for thousands of clients.
    Technologies: C++, C#


  • Keepteam

    As a system architect, developed the back-end architecture for the HRM system, API, integration with third-party services, continuous integration processes, and tools.

  • CQG Trader

    Implemented order routing controls integration using COM Interop in a real-time market data and order management client.

  • Vkcalendar

    Developed a service that provides integration of VK social network events and iPhone calendar.

  • High-frequency Trading System

    Architected, implemented, and deployed a distributed high-frequency futures trading system for MoEx (e.g., RTS exchange) that used a CQG data feed from CME and ICE exchanges and routed orders on RTS exchange.


    A service for sharing files from Telegram with the rest of the web.

  • Rafflechain Distributed App

    Distributed application for running Raffles implemented using Ethereum smart contracts.

  • Amazon Alexa Integration for Case.One

    Developed requirements, implemented, and deployed an Amazon Alexa integration for the Case.One web service.

  • NinjaTrader Indicator Development

    Developed NinjaTrader indicator for manual trade entry that supports:
    • Manual logging of trades using charts
    • Review of logged trades in a separate window in the NT app
    • Assigning of custom user-defined flags for each trade
    • Exporting of trade data to CSV file


  • Languages

    SQL, C#.NET, T-SQL, C#, Solidity, HTML, CSS, XML, HTML5, JavaScript, C++, Visual Basic
  • Frameworks

    Entity, ASP.NET Web API, Entity Framework Core, ASP.NET Core, Newtonsoft JSON, Entity 6, .NET, Truffle, .NET Core, AngularJS, ASP.NET, ADO.NET, Angular, Razor, Angular Material, Windows PowerShell, ASP.NET Core 2
  • Libraries/APIs

    REST APIs, NinjaScript, Web API, AngularUI, Log4Net, Protobuf, Entity Framework, Vue.js, PayPal API, Web3.js, QuickBooks API, jQuery
  • Tools

    Visual Studio 2015, Microsoft Visual Studio, NinjaTrader, Visual Studio 2013, NPM, TeamCity, GitLab, GitHub, NuGet, Microsoft Project, Git, Visual Studio, PostCSS, Dapper, MSTest, Webpack, CVS, Wireshark, Xero
  • Paradigms

    Test-driven Development (TDD), Object-oriented Programming (OOP), Model View Controller (MVC), Agile, Kanban, REST, Financial Information Exchange (FIX) Protocol, Concurrent Programming, Agile Software Development, Scrum
  • Platforms

    Windows, Amazon Alexa, MetaTrader, Ethereum, Visual Studio Code, NLog, Windows Server, Linux, Telegram Bot Platform, WordPress, Azure, Blockchain
  • Storage

    SQL Server 2008 R2, SQL Server 2014, Microsoft SQL Server, SQL Server Management Studio, MySQL
  • Other

    Automated Trading Software, IIS, TCP/IP, Trading, Financial Products, Full-stack, TCP, Futures, Microsoft 365, Back-end, Systematic Trading, Options Trading, Trading Applications, Ethereum Smart Contracts, Telegram Bots, IIS 7, IIS 8, FTP, UDP, Client/Server Networking, Windows Services, Caching, FIX Protocol, Linear Regression, Linear Algebra, Proxies, Currency Exchange, Algorithmic Trading, Network Programming, Image Processing, HTTP, Outlook, HTTPS, Architecture, Front-end, COM, QuickFIX, Intuit QuickBooks, MSMQ, PayPal
  • Industry Expertise

    Trading Systems, Project Management, High-frequency Trading (HFT)


  • Engineer's Degree in Information Technology
    2000 - 2006
    Samara State Aerospace University - Samara

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