Roman Stepanov

Develop and maintain a high-load Sports Book Platform-Online Gaming (Backoffice, Payments, CRM) utilizing .NET 8, C#, and Python.
Implement CI/CD pipelines using AWS, Kubernetes, Docker, and Azure DevOps.
Design and optimize MS SQL databases, including stored procedures, views, T-SQL queries, and caching with Redis.
Experience with monitoring/logging tools such as Grafana, Elastic, Datadog, LogsIO.
Deploy Telemetry .NET Aspire to write and monitoring logs, traces, and metrics.
Ability to deploy and maintain monitoring systems from scratch.
Experience with multi-site or distributed network environments.
Collaborate with cross-functional teams to ensure network security, high performance, and system reliability.
Designed and built microservices architecture, enabling better scalability and flexibility within the application ecosystem.
Improved performance and reliability of databases, web services and other integrations.

Developed an application server side using .Net Core 6, Asp.Net Core WEB API, TPL, Entity Framework, PostgreSQL.
Microservices using Docker, Web API, .Net Framework 4.7.2, EF Core 7.0, Dot Net Core 6, AWS, Azure.
Unit Tests and Integration Tests using VS2022, MOQ Mocking Framework, xUnit.net.
Continue Integration (CI/CD) on Kubernetes, Docker, Azure DevOps, Azure TFS.
Designed and managed PostgreSQL, Redis, SQL, Stored Procedures, Views, CRUD commands.
Development audit and logging infrastructure using C#, Log4net, Elastic Search, Kibana, MSMQ, AWS SQS.
Development of “Authentication and Authorization” of users using Identity Server and JWT token, OAuth 2.0.
Developed and Application client side using React, Angular 15, TypeScript, HTML5, CSS3

Developed an application server side using .Net Core 3.1, Asp.Net Core WEB API, TPL, Entity framework 6.4, PostgreSQL.
Development of Microservices Systems using Web API running on Docker, AWS, AZURE.
Developed and Application client side using React, Angular, TypeScript, HTML5, CSS3.
Unit Tests and Integration Tests using VS2019 Unit Testing Framework & MOQ Mocking Framework With xUnit.net.
Continue Integration (CI/CD) on Kubernetes with Source Control on Azure TFS, AWS SAAS.
Development audit and logging infrastructure using C#, Log4net, RabbitMQ, MSMQ, AWS SQS.
Designed and managed PostgreSQL GUI Client and SQL Management Tools, Stored Procedures, CRUD commands.
Development of “Authentication and Authorization” of users using Identity Server and JWT token, OAuth 2.0

Developed an application using .NET 4.6, Asp.NET, MVC4, WEB API, Angular
Designed and develop integration platform (SOA based) using .Net 4.6 (WCF Services, TPL),
Entity framework 6, MS SQL 2014, Oracle DB, MongoDB.
Designed and develop unit and integration tests using Visual Studio Unit Testing Framework.
Designed and managed MS SQL 2014 DB for projects, including T-SQL: SP, Triggers, Functions and Views.
Development audit and logging infrastructure using C#, Log4net, Elastic Search, Kibana, RabbitMQ, MSMQ, AWS SQS.
Integration with Amazon CloudFront, AWS S3, AWS EC2, Azure SaaS.
Integration and configuration DataPower to response for difference types of Applications.

Designed and developed Web Application https://portals.radware.com (client and server side) using
.NET 4.5 (Asp.Net, Rest API, MVC 5), HTML5, CSS 3, Bootstrap, JavaScript, AngularJS, Kentico CMS.
Designed and develop integration platform (SOA based) using .Net 4.5 (WCF Services, TPL), Entity framework ,
MS SQL 2012/2014, Oracle DB, Oracle Sales Cloud.
Designed and develop unit and integration tests using Visual Studio Unit Testing Framework.
Designed and managed MS SQL 2012 DB for projects, including T-SQL: SP, Triggers, Functions and Views.
Integration with Amazon CloudFront, Amazon CloudFront, AWS EC2, Azure TFS, AWS SQS

Designed and developed Web Application (Jobniks, Meba, Join Me - client and server side) using ASP.NET 4.0, ASP.NET MVC 3, WEB
API, HTML 4/5, CSS 2/3, JavaScript, jQuery and jQuery UI latest version
Designed and developed Android Application (2net, Jobniks - client and server side) using Java, Asp.Net WEB API.
Designed and developed Android Application with Unity3D.
Designed and developed Facebook Application (Insight Pages, Afikoman) using ASP.NET 4.0, FQL.
Designed and developed WCF services for internal and external applications.
Designed and managed MS SQL 2005/2008/2012 DB for projects, including T-SQL: SP, Triggers, Functions and Views.
Designed and managed Raven DB (NoSQL) databases for projects.
Design and development last application "90 seconds" using MVC 3, Amazon services AWS, Raven DB (NoSQL)