Arthur Stankevich
Verified Expert in Engineering
Algorithmic Trading Developer
Ljubljana, Slovenia
Toptal member since March 29, 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.
Portfolio
Experience
- C# - 15 years
- Microsoft SQL Server - 14 years
- Test-driven Development (TDD) - 12 years
- Agile Software Development - 10 years
- Algorithmic Trading - 5 years
- Ethereum Smart Contracts - 1 year
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.
Work Experience
Freelance Full-stack Developer
Axle Web and Hosting (via Toptal)
- Implemented a website for customer management and financial reporting.
- Implemented a back-end for Android and iOS apps.
.NET Developer
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.
Smart Contract Developer
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.
Software Developer
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.
Smart Contract Developer
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.
Freelance Retail Reporting Developer
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.
CTO
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.
Freelance PayPal/.NET Developer
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.
Freelance Quickbooks Online and Xero to SQL Integration Specialist
Axle Web and Hosting (via Toptal)
- Implemented data replication from Xero and QuickBooks online from multiple customers to a single centralized storage.
CTO
Keepteam
- 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.
Requirements Owner, Main Developer, QA, and Sysadmin
Self-employed
- 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.
Project Manager
CQG
- 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.
Senior Software Developer and Process Coach
CQG
- 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.
Experience
Keepteam
CQG Trader
Vkcalendar
High-frequency Trading System
Tlgur.com
Rafflechain Distributed App
Amazon Alexa Integration for Case.One
NinjaTrader Indicator Development
• 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
Education
Engineer's Degree in Information Technology
Samara State Aerospace University - Samara
Skills
Libraries/APIs
REST APIs, NinjaScript, Web API, AngularUI, Log4Net, Protobuf, Entity Framework, Vue, 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
Languages
SQL, C#.NET, Transact-SQL (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
Paradigms
Test-driven Development (TDD), Object-oriented Programming (OOP), Model View Controller (MVC), Agile, Kanban, REST, Concurrent Programming, Agile Software Development, Scrum
Platforms
Windows, Amazon Alexa, MetaTrader, Ethereum, Visual Studio Code (VS 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 (SSMS), MySQL
Industry Expertise
Trading Systems, Project Management, High-frequency Trading (HFT)
Other
Automated Trading Software, IIS, TCP/IP, Trading, Financial Products, Full-stack, Transmission Control Protocol (TCP), Futures, Microsoft 365, Back-end, CTO, API Integration, 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
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