Andrey Zak

Designing and refactoring complex financial calculations for stress prediction. Implementing RESTful APIs for business features. Contributing to the development of web-UI features. Developing unit and integration tests using xUnit and Specflow. Modifying CI/CD pipeline to support GitFlow branching. Tech stack: .NET 7, ASP.NET MVC, Windsor, Dapper, LINQ, MSSQL, GraphQL, NSwag, Specflow, Angular, TypeScript, Team City, Octopus, Jenkins, Git, Jira, SCRUM methodology

Designed architecture of a distributed containerized backend service for the US market. Coordinated implementation in the team of 3 developers, hands-on. Performed tasks decomposition and planning. The product reached the first phase of completion and deployed to production.

Implemented 5 new trading algorithms for market-making product. Refactored market-making service to use event-sourcing. Developed multiple business-features for portfolio synchronization service. Implemented multiple RESTful APIs for internal and external integrations. Optimized build process, reduced build-time by 50%. Created internal web-based user consoles from scratch with React Admin framework. Worked extensively with CI\CD pipeline, Docker Compose.

Led a team of 3 developers and QA engineer. Implemented business-features for a desktop client application and server-side. Performed tasks decomposition and planning. Performed as the SCRUM master in the work process.

Developed modules for GUI desktop application Implemented multiple high-load services: mailing lists, geo-location matching and report service. Tech stack: Windows, C#, .NET 4.5, C++, WCF, WPF, DevExpress, WinForms, MSSQL, TFS, SCRUM methodology

Developed game server for multiplayer online role-playing game. Tech stack: Windows, C++, Managed C++, IOCP, C#, .NET 3.5, MSSQL, SVN

Developed client desktop console for concrete panels production line automation system. Tech stack: Windows, C++, OpenGL, Delphi