Sergey Kolchin
Ведущий Fullstack Разработчик at BeFit
Yaroslavl Oblast, Russia
Summary
👤
Senior🎓
Top SchoolSergey Kolchin is a seasoned fullstack developer with over 10 years of experience building business-critical web systems, currently leading development of a web-based CRM/ERP for BeFit covering orders, deliveries, payments, kitchen/menu management, couriers and analytics. He combines deep backend expertise in C#, .NET (including .NET 8+), MS SQL and integrations with broad third-party APIs (iiko, Tinkoff, CloudPayments, Mindbox, Firebase, WhatsApp/SMS gateways) with modern front-end work in Angular 17+, Angular Material and Ag-Grid. Sergey has delivered mobile clients (Xamarin/MvvmCross and later migrated to Flutter) and built complex features like a personalized menu constructor and reporting/notification pipelines. Earlier roles span e-commerce, Bitcoin-related services and Oracle E-Business Suite customization, giving him strong domain breadth from fintech to ERP and intranet tools. Based in Yaroslavl Oblast, he pairs hands-on implementation with system design for end-to-end solutions and a pragmatic focus on integrations that unlock operational automation. An uncommon strength is his long history of migrating and modernizing legacy enterprise systems into contemporary web and mobile stacks.
10 years of coding experience
Бакалавр технических наук, Информатика, Бакалавр технических наук, Информатика at Ярославский Государственный Университет им. П.Г. Демидова (ЯрГУ)
Русский, Английский
Stackoverflow
362reputation
15kreached
1answer
0questions
Github Skills (18)
database8
orm8
entity-framework8
dotnet-core8
poco8
mapper8
csharp8
linq7
change-tracking7
schema-migrations7
dotnet7
angular-material6
angular6
sql6
drag-and-drop6
Programming languages (1)
Github contributions (5)
Contributions:14 commits, 11 pushes, 2 branches in 20 days
sergekolchin/ParrotWings
Sep 2016 - Sep 2016
Contributions:12 pushes, 2 branches in 3 days
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