Development and support of a new ticketing system for the "Moscow Metro":— Active participation in designing the overall solution architecture for running several dozens of distributed applications;— Adoption of industry standards and best practices to solve typical problems in distributed applications;— Design and implementation of internal application infrastructure used throughout the project;— Establishing and enforcing development agreements and standards for development teams;— Designing dozens of REST APIs, both internal and for integration with services from partners;— Working with multiple teams, including contractors and partners.

Development and support of a new ticketing system for the "Moscow Metro":— Active participation in designing the overall solution architecture for running several dozens of distributed applications;— Adoption of industry standards and best practices to solve typical problems in distributed applications;— Design and implementation of internal application infrastructure used throughout the project;— Establishing and enforcing development agreements and standards for development teams;— Designing dozens of REST APIs, both internal and for integration with services from partners;— Working with multiple teams, including contractors and partners.Design and development of a module for booking tickets with seats in suburban trains for the "Central PPK":— Designing the database schema;— Designing a constructor for visualization of seat layouts in the train;— Designing REST API for interaction with user terminals: booking, passenger registration and ticket validation;— Task decomposition for the development team and code review;— Development of critical business processes such as X509 certificate authentication and concurrency aware seat booking.

Development and support of the federal electronic trading platform for government, municipal and corporate purchases (rts-tender.ru).— Participation in the architectural and infrastructure solutions;— Formulating high-level tasks and their decomposition;— Management of load testing project (Azure);— Development REST API for interacting with external applications: mobile apps iOS / Android, integrating the search procurement in 1C, services for loans and bank guarantees;— Support for OAuth 2.0 authentication protocol and its implementation into existing applications (OWIN, Katana);— Using of the Application Insights for the collection and analysis of telemetry applications (Azure);— Implementation of centralized log collection and analysis (Elastic Stack);— Application Development: ASP.NET (WebForms, MVC, Web API), Windows Forms, Web Services (WCF), Windows Service;— Code review;— Taking part in the hiring process, interviewing prospective candidates.

Development and support of the federal electronic trading platform for government, municipal and corporate purchases (rts-tender.ru, otc.ru).— Work with multiple teams of outsourcers; — Implementation of continuous integration (an automated build and deploy applications: MSBuild + PowerShell + TeamCity); — Improving the quality of code: Review, formulation of requirements for registration code (Crucible,. NET Framework Design Guidelines); — Application Development: ASP.NET (WebForms, MVC, Web API), Windows Forms, Web Services (WCF), Windows Service.

Social network DRIVE2.RU (https://www.drive2.ru/)— Direct participation in design and improvement of the project;— Work with partners to provide paid services to users of the site (http://vasbilling.ru/, https://robokassa.com/);— Organization of work and development of tools for moderation team and for support service.Technologies: .NET, ASP.NET (WebForms, MVC), Windows Forms, WCF, PostgeSQL, Berkley DB, MongoDB.Ad system RORER (http://www.rorer.ru/)Creating and launching first Russian contextual advertising system based on the technology of automatic context pages:— End-to-end implementation of the project;— Development of auxiliary managment and setup tools;— Web interface for partner websites and advertising agencies.Development of an internal CRM system to automate the work of sales and accounting departments:— History of interactions with customers;— Advertising campaign management and media planning;— Task management;— Electronic documentation processing (contracts, invoices, statements).Technologies: .NET, ASP.NET WebForms, Windows Forms, .NET Remoting, PostgeSQL.

Progression Group is the market leader in marketing services and one of the largest independent groups on the Russian advertising market.As a freelance developer, I helped the agency with data processing automation.1. Bosch— Development of a website for online testing of Bosch consultants as part of a campaign aimed at increasing motivation (Google App Engine, Java).— Development of software for generating salary details subject to all bonuses and fines (.NET, Windows Forms, Microsoft Excel).Over 300 consultants from all region of Russia participate in monthly testing.2. BeelineDevelopment of software for generation of complex consolidated reports with varying levels of details as part of a campaign aimed in increasing motivation of store salesman (.NET, Windows Forms, Microsoft Excel).