Sergei Buday Email & Phone Number

Minsk, By

Minsk, Belarus

Project:Lucky Day Blackjack Royale. Play card games, win cash! (https://apps.apple.com/us/app/lucky-day-blackjack-royale/id1483731117)Responsibilities: Develop backend components of application: design and implementation DB structure, API and business logic,implementation serverless solutions and Lambda jobs, developing Nuget packages with common tools. Investigation and fixing issues.Integration with third part services via API and WebhooksTools & Technologies:AWS Infrastructure, .NET Framework 4.7, .NET Core 3.1, EF Core, MS SQL Server, DynamoDB(NoSQL), Redis cache, Jenkins

Minsk, Belarus

Project:Lucky Day free online scratchers, lottos, and raffle games for a chance to win real money and prizes (https://play.google.com/store/apps/details?id=com.luckyday.app).Responsibilities: As a Lead Backend C# Developer, I spearhead the development of robust backend components for our applications.Crafting and implementing scalable and efficient database structures.Designing and executing APIs along with the core business logic.Implementing serverless solutions and Lambda functions for enhanced efficiency.Developing reusable NuGet packages with essential tools to streamline development.Investigating and resolving technical issues to ensure smooth operation.Identifying and addressing performance bottlenecks to enhance system performance.Seamlessly integrating with third-party services via APIs and webhooks.Leveraging AWS as the backbone of our infrastructure for scalability and reliability.With a focus on innovation and efficiency, I ensure our backend systems are robust, scalable, and performant.Tools & Technologies:AWS Infrastructure, .NET Framework 4.7, .NET Core 3.1, EF Core, MS SQL Server, DynamoDB(NoSQL), Redis cache, Jenkins

Minsk, Belarus

Project:P97 PetroZone. A Powerful Mobile Commerce and Digital Marketing Platform for Retail FuelingResponsibilities:Design and development of back-end software, database structure, web API, integrations with third party servicesTools & Technologies: .NET, Entity Framework, Web API, REST, Git, Microsoft Azure SQL, Azure Cosmos DB, Application Insights, Azure Search, Azure Active Directory, Redis Cache, Azure Service Bus, Unity (DI), Fiddler, Postman, JIRA, Swagger

Minsk, Belarus

Project:Facilities Management System (https://servicechannel.info)Automation platform for collaboration contractors and clients who needs some issues to be fixed at their store places. Responsibilities:Develop backend components of Web API app for different consumers - mobile apps, web-based apps; review, refactor and fix issue code for better quality and performance.Tools & Technologies:MS Visual Studio, C#, .NET Framework 4.6, MS SQL, Entity Framework, ASP.NET MVC, Web API, AWS

Minsk

Project:Submission Management System (https://www.versaic.com/)The system includes wide tools and features: Grant Management, Collecting Funds, Administrative and Process Management, Budget Management and Organization History.Responsibilities:Develop backend components, modules, services; review, refactor and fix issue code for better quality and performanceTools & Technologies:MS Visual Studio, C#, .NET Framework 4.6, MS SQL, Git, MS SQL Reporting Service , ASP.NET WebForms, MVC, HTML, CSS, JavaScript

Moscow, Russian Federation

Project:The system of studying foreign languages based on CMS OrchardOnline system for providing services and manage relations between teaching organizations and students, who wants to study foreign languagesResponsibilities:Develop backend components, modules, services; review, refactor and fix issue code for better quality and performanceTools & Technologies:MS Visual Studio, C# .NET, MS SQL, Git, ASP.NET, HTML, CSS, JavaScript

Minsk, Belarus

Various projects related with implementation desktop Apps, which use own speech SDKResponsibilities:Implementing C# wrappers for C++ libraries, designed GUI using C#, WinForm, WPFTools & Technologies:MS Visual Studio, C# .NET, SVN, WinForms, WPF, WCF, C++