Andrei I. Email & Phone Number

Berkeley, California, United States

- Engineered complex backend logic and user interfaces for a multi-step web application wizard, significantly improving client onboarding processes.- Created a customizable interface for the application wizard, enhancing the user experience for financial institutions.- Tailored user interfaces for document uploads, including the generation of QR codes and mobile page redirection logic, enhancing the cross-platform user journey.- Integrated the Plaid service to facilitate secure… Show more - Engineered complex backend logic and user interfaces for a multi-step web application wizard, significantly improving client onboarding processes.- Created a customizable interface for the application wizard, enhancing the user experience for financial institutions.- Tailored user interfaces for document uploads, including the generation of QR codes and mobile page redirection logic, enhancing the cross-platform user journey.- Integrated the Plaid service to facilitate secure, automated retrieval of user banking details, thereby reducing manual data entry errors.- Designed and deployed an analytics dashboard within the administration portal, empowering financial institution employees to create and customize data visualizations for business intelligence.Backend: .Net 6.0, WebApi, Nlog, Entity Framework, Sql Server, RabbitMQ, SQL Server, AWS (Quicksight, DMS, S3, Athena, RDS, Lambda), Docker, Swagger (API), Redis, RazorFrontend: Javascript ES6, Typescript, Jest, React, Webpack, SignalR, Tailwind, LESS, Lodash, WebSocket (SignalR), jQueryOther: Rider, VS Code, Octopus, Jira, Docker, Git, Playwright, NUnit, xUnit, NSubstitute, Scrum, PowerShell, ELK Stack (Elasticsearch, Logstash, Kibana), Grafana, GitLab, Agile/Scrum, CI/CD, Jira, SOLID principles, Confluence, Bitbucket, .NET 6, .NET 7 Show less

St Petersburg, St Petersburg City, Russia

- Developing the document processing ETL system, increasing efficiency and user productivity.- Designed a user-friendly, no-code platform for customizing file-processing workflows.- Developed versatile processing nodes with RabbitMQ integration for efficient document management.- Automated file naming analysis for smart processing, using Entity Framework and Dapper for database operations.- Wrote complex SQL for robust data migrations and designed unit tests to ensure system… Show more - Developing the document processing ETL system, increasing efficiency and user productivity.- Designed a user-friendly, no-code platform for customizing file-processing workflows.- Developed versatile processing nodes with RabbitMQ integration for efficient document management.- Automated file naming analysis for smart processing, using Entity Framework and Dapper for database operations.- Wrote complex SQL for robust data migrations and designed unit tests to ensure system reliability.- Built intuitive UI with Angular and Kendo UI, and specialized nodes for file encryption and decompression.- Enhanced data processing performance using advanced C# features and optimized memory usage.Backend: .NET 5.0, WebApi, Entity Framework, Dapper, Hangfire, Quartz, SQL Server, TPL/PLINQFrontend: TypeScript, Angular, Kendo UI, REST API, Webpack, HTML/CSS, JWT, NuGetOther: Rider, NUnit, Octopus, Azure Devops, Kanban, Git, SpecFlow, DotMemory, DotPerformance, SOLID principles, Linq, Multi-threading Show less

Moscow, Moscow City, Russia

- Developed an internal wrapper over electronic document providers’ APIs, enabling seamless document management and exchange.- Engineered UI components for a robust document management system, enhancing user experience for document handling, including creation, signing, and sending functionalities.- Implemented a warehouse item tracking system with QR code functionality, aligning with new government regulations for product information accessibility.- Constructed and maintained a… Show more - Developed an internal wrapper over electronic document providers’ APIs, enabling seamless document management and exchange.- Engineered UI components for a robust document management system, enhancing user experience for document handling, including creation, signing, and sending functionalities.- Implemented a warehouse item tracking system with QR code functionality, aligning with new government regulations for product information accessibility.- Constructed and maintained a secure authentication system for document processing, utilizing SMS verification to ensure document security and integrity.- Executed complex SQL migrations and crafted efficient SQL queries to support business operations and new feature integrations.- Refactored a global facade class into discrete, maintainable services and repositories, substantially improving code maintainability and testing capabilities.- Served as a 3-d level support line, addressing and resolving critical bugs in the production environment, ensuring stable and reliable application performance.Backend: .NET 3.0, .NET Framework,Web API, NHibernate, Dapper, Sql Server, PostgreSQL, RabbitMQ, Kafka, Swagger, Redis, TPL (Task Parallel Library)Frontend: ES6 Javascript, React, Backbone, MOBX, StoryBook, Jest, WebSocketOther: Moq, Rider, Visual Studio, WebStorm, Nunit, YouTrack, Kanban, Git, Docker, Show less

Moscow, Moscow City, Russia

- Created advanced, user-friendly search interfaces for airplane tickets and hotel rooms, integrating Google Maps for geospatial search capabilities and implementing dynamic, front-end filtering mechanisms to enhance the user experience.- Engineered and maintained a Data Aggregation Background service for a B2B travel agency management system, streamlining the data collection process for hotel and flight availability from various partners’ APIs.- Devised strategies to overcome… Show more - Created advanced, user-friendly search interfaces for airplane tickets and hotel rooms, integrating Google Maps for geospatial search capabilities and implementing dynamic, front-end filtering mechanisms to enhance the user experience.- Engineered and maintained a Data Aggregation Background service for a B2B travel agency management system, streamlining the data collection process for hotel and flight availability from various partners’ APIs.- Devised strategies to overcome third-party service instability by implementing robust error handling and multiple data retrieval attempts to ensure consistency and reliability.- Led the development of a data standardization module to harmonize disparate data formats from different partner services, ensuring uniformity in the system’s database.- Played a pivotal role in developing both the administrative and end-user modules of the main web application, enhancing travel agency operations and user satisfaction.Backend: .NET Framework,Web API, Sql Server, RabbitMQ, RedisFrontend: Jquery, Knockout JS, Vue JS, Javascript, Bootstrap, HTML/CSSOther: Visual Studio, Resharper, Jenkins, SVN Show less

Moscow, Moscow City, Russia

I was responsible for the creation and upkeep of a B2B management system for a travel agency, which comprised of a background service and a web API application. The role of the background service was to amass data from various API providers, resolving issues like instability of third-party services and inconsistency in information. The web application incorporated an admin segment for managing static data and a primary segment for travel bookings and reservations. My responsibilities included… Show more I was responsible for the creation and upkeep of a B2B management system for a travel agency, which comprised of a background service and a web API application. The role of the background service was to amass data from various API providers, resolving issues like instability of third-party services and inconsistency in information. The web application incorporated an admin segment for managing static data and a primary segment for travel bookings and reservations. My responsibilities included crafting the data aggregation background service and the web application, taking care of both its admin and user-facing sections. We gradually enhanced our frontend, transitioning from jQuery to Knockout.js, and ultimately adopting Vue.js. Show less

Moscow, Moscow City, Russia

I held the responsibility of developing and maintaining the product management system for a tourism company. This complex task involved the utilization of technologies such as WinForms and DevExpress. This role required not only technical proficiency but also a clear understanding of the company's product portfolio to effectively align system capabilities with business needs.

Moscow, Moscow City, Russia

Senior FullStack C#/Javascript Developer- Spearheaded the development of a multifunctional agile board extension for TFS web access, enhancing the project management capabilities within the team.- Designed and implemented a user-friendly interface for task and bug management that supported drag-and-drop functionality and detailed task views.- Developed the multi-layered architecture of the plugin, ensuring clear separation of concerns and maintainability of the codebase.-… Show more Senior FullStack C#/Javascript Developer- Spearheaded the development of a multifunctional agile board extension for TFS web access, enhancing the project management capabilities within the team.- Designed and implemented a user-friendly interface for task and bug management that supported drag-and-drop functionality and detailed task views.- Developed the multi-layered architecture of the plugin, ensuring clear separation of concerns and maintainability of the codebase.- Contributed to various projects, including migration tools across TestTrack, TFS, SharePoint, an SVN access system, and a Confluence integration systemBackend: .Net Framework, Web Api, MVC, TFS API, NLogFrontend: Javascript, Jquery, Knockout, HTML/CSSOther: Visual Studio, Resharper, Kanban, SVN, TFS, Confluence Show less

Krasnodar, Russia

- Led the development of an interactive multi-step wizard website for users to create and submit individual enterprise registration applications to government agencies, enhancing the digital interaction between the public and government.- Designed and implemented a robust backend with ASP.NET MVC and SQL Server, while managing a seamless frontend integration with jQuery to optimize user experience and application flow.- Developed and maintained additional web applications, demonstrating… Show more - Led the development of an interactive multi-step wizard website for users to create and submit individual enterprise registration applications to government agencies, enhancing the digital interaction between the public and government.- Designed and implemented a robust backend with ASP.NET MVC and SQL Server, while managing a seamless frontend integration with jQuery to optimize user experience and application flow.- Developed and maintained additional web applications, demonstrating a high level of expertise in ASP.NET MVC 2-3, and integrating complex design elements to meet diverse user needs.- Played a pivotal role in the development of responsive and functional desktop applications using WinForms and WPF, ensuring high performance and reliability.- Expanded the company’s web presence by building dynamic websites using PHP and customizing Bitrix CMS, showcasing adaptability and full-stack development capabilities.Backend: .Net Framework, MVC, WebForms, WPF, Bitrix, PHP, MySQLFrontend: Javascript, Jquery, HTML/CSS Show less

Bachelor'S Degree, Computer Software Engineering

Bachelor'S Degree, Economics