CYRYL, SENIOR FULL-STACK .NET DEVELOPER
C1 (Advanced) English
Senior (5-10 years)
Khmelnytskyi,
Ukraine
UTC+02:00
Summary
With over 9 years of experience, this Senior Full-Stack .NET Developer offers a robust technical portfolio with proficiency in C#, ASP.NET Core, Entity Framework Core, and a variety of frontend technologies including ReactJS and AngularJS. This professional has a track record of delivering scalable, fault-tolerant enterprise solutions, demonstrating extensive expertise in microservices architecture, cloud services (Azure, AWS), and DevOps practices (CI/CD pipelines). Their education includes a Master's degree in Informational Technologies of Design from Khmelnytskyi National University, reinforcing a strong foundation in computer science principles. An accomplished engineer with tangible contributions to FinTech, EdTech, and eCommerce - they have played a pivotal role in building CRM platforms, optimizing data management, and implementing advanced features that improve operational efficiency and user experience.
Main Skills
C/C++/C# 9 yr.
ASP.NET Core Framework 5 yr.
Azure
Vue.js
Scala Libraries and Tools
JavaScript Frameworks
.NET Platform
UI Frameworks, Libraries, and Browsers
C++ Libraries and Tools
Mobile Frameworks and Libraries
JavaScript Libraries and Tools
Databases & Management Systems / ORM
Cloud Platforms, Services & Computing
Amazon Web Services
Azure Cloud Services
Version Control
Deployment, CI/CD & Administration
iOS Libraries and Tools
Virtualization, Containers and Orchestration
SDK / API and Integrations
Third Party Tools / IDEs / SDK / Services
QA, Test Automation, Security
Mail / Network Protocols / Data transfer
Other Technical Skills
Work Experience
Senior Full-Stack .NET Developer, KYC Platform
Duration: July 2025 – August 2025
Summary: Developed a secure KYC platform with enterprise-grade compliance and authentication, leveraging Azure cloud services.
Responsibilities: Requirements analysis, architecture planning, secure data handling, API design, and production deployment automation.
Technologies: C#, .NET Core, Entity Framework Core, Azure, MariaDB, Docker, FluentValidation, Mapster, Swagger, OpenAPI, Azure DevOps
Senior Full-Stack .NET Developer, Learning Platform Development
Duration: August 2023 – June 2025
Summary: Developed and optimized features for an EdTech learning platform, integrating Optimizely for improved SEO and localization support.
Responsibilities: Database optimization with Dapper ORM, subscription management, shopping cart upgrade, legacy system migration, automated reporting, social networking module, payment processes, notification services, cron jobs, data validation, database migration with Flyway, subscription-based rewards, and A/B testing.
Technologies: C#, ASP.NET MVC, Blazor, Dapper, MariaDB, Flyway, Optimizely CMS
Senior Full-Stack .NET Developer, Integration and Document Management Systems
Duration: September 2024 – December 2024
Summary: Built integration and document management systems, automating certificate and report creation, and enabling AI-driven analytics.
Responsibilities: Complex integration pipelines, document generation, multi-tenant authorization mechanisms, payment gateway integration, and certificate store management.
Technologies: C#, ASP.NET Core, Angular, TypeScript, Microsoft Power Apps, Microsoft Dataverse, Azure AD, AI Consultant API, Syncfusion Libraries
Senior Full-Stack .NET Developer, Automotive Dealer Platform
Duration: August 2023 – January 2024
Summary: Delivered an automotive dealer platform for improved parts management and customer service workflows.
Responsibilities: Dealer catalog platform development, spare-parts management, categorization modules, data-intensive module engineering, and front-end user experiences.
Technologies: C#, ASP.NET Core, AngularJS, Entity Framework Core, DevExpress, MS SQL Server
Senior Full-Stack .NET Developer, CRM Platform for Aviation
Duration: December 2022 – August 2023
Summary: Engineered a CRM platform for aviation teams, optimizing aircraft procurement and logistical coordination.
Responsibilities: Backend enhancements, fault-tolerant logic, advanced caching, real-time notification services, and system integrations.
Technologies: C#, ASP.NET Core, Blazor, AngularJS, MS SQL Server, Entity Framework Core, Redis Cache, MediatR, Fluent Validation, Hangfire, NUnit, Azure AD, OAuth, SignalR
Senior Full-Stack .NET Developer, Automated Email Processing and Analytics System
Duration: December 2022 – March 2023
Summary: Automated email processing and improved organizational communication with an analytics system.
Responsibilities: OAuth authentication flows, email parsing, labeling, automated dispatch systems, dynamic email templates, concurrency control strategies, data optimization, and front-end development.
Technologies: C#, ASP.NET Core, React, Redux, Tailwind, Dapper, Entity Framework Core, OAuth
Senior Full-Stack .NET Developer, HR Management System Enhancement
Duration: March 2022 – December 2022
Summary: Streamlined HR processes with role-specific access controls, vacation scheduling, and training tracking.
Responsibilities: Training and vacation management modules, data handling functionalities, permission management logic, cross-platform integration, code optimization, unit testing, and documentation.
Technologies: C#, ASP.NET Core, ReactJS, Redux, RxJS, TypeScript, Material UI, Entity Framework Core, MariaDB, T-SQL, Visual Studio 2019, VS Code
Full-Stack .NET Developer, Predictive Analytics and Testing Modules
Duration: September 2021 – February 2022
Summary: Built predictive analytics and test modules for enhanced business reviews, improving strategic decision-making.
Responsibilities: Interactive analytics modules, assessment tools, authentication systems, data hierarchies, permissions configuration, analysis logic, and cross-platform integration.
Technologies: C#, ASP.NET Core, ReactJS, Redux, RxJS, TypeScript, MS SQL Server, Entity Framework Core, Chart.js, Visual Studio Code
Full-Stack .NET Developer, Healthcare and Fitness Platform
Duration: January 2020 – September 2021
Summary: Developed a healthcare and fitness platform with real-time video communication and robust scheduling systems.
Responsibilities: Migration to .NET 5, architectural optimization, real-time video feature development, scheduling and billing system integration, and platform interconnectivity.
Technologies: C#, ASP.NET Core Web API, Vue.js, Vuex, TypeScript, Entity Framework Core, Dapper, PostgreSQL, AWS
Senior ASP.NET Developer, Asset and Data Management Tool
Duration: July 2019 – January 2020
Summary: Created a scalable asset and data management tool for infrastructure projects, optimizing performance and user interaction.
Responsibilities: REST API creation, microservices architecture, database and query optimization, asset management module design, and client integration.
Technologies: C#, ASP.NET Core, Akka.NET, WPF, MS SQL Server, Entity Framework Core, Dapper, PostgreSQL, AWS DynamoDB, SignalR
Full Stack Developer, Partner B2B CRM
Duration: March 2016 – October 2019
Summary: Developed a CRM with dynamic promotional tools and analytics, enhancing engagement and streamlining business processes.
Responsibilities: Secure partner system, server architecture, stock management, order wizard, partner dashboard, client database, UI/UX enhancement, system integration, and customer support.
Technologies: C#, ASP.NET Core Web API, ReactJS, Redux, TypeScript, MS SQL, Entity Framework, Dapper
Full Stack Developer, SaaS for Custom Phone Cases
Duration: November 2017 – September 2019
Summary: Engineered SaaS for custom phone case creation, integrating payment processing and design capabilities.
Responsibilities: User, product, design module development, front-end and server-side solutions, phone case design tool, platform and CRM integration, logistics API integration, order builder, database performance optimization.
Technologies: C#, ASP.NET Core Web API, AngularJS v1, TypeScript, T-SQL, Entity Framework, Dapper, Azure DevOps
Full Stack Developer, Enterprise CRM
Duration: April 2016 – November 2019
Summary: Enhanced CRM capabilities with improved productivity and customer satisfaction through advanced workflow and database management.
Responsibilities: Server architecture design, .NET integration, UI/UX development, stock management, call center capabilities, order builder implementation, mailing system, pricing strategies, software testing, RBAC frameworks, CRM integration.
Technologies: ASP.NET Core Web API, ReactJS, TypeScript, T-SQL, Entity Framework, Dapper
Education
- Master’s degree in Informational Technologies of Design
- September 2009 – June 2014