Cyril R., Senior Full-Stack .NET Developer
No English at all
Senior (5-10 years)
Ukraine
Summary
With over 9 years of experience, the engineer is adept in full-stack .NET development, specializing in enterprise solutions using cutting-edge technologies like ASP.NET Core, Akka.NET, and microservices. An expert in front-end and back-end frameworks, their portfolio includes high-performance CRM systems, e-commerce platforms, and health and education tech applications. Noteworthy achievements include optimizing database performance with advanced ORM techniques, crafting resilient authentication systems, and automating deployments with CI/CD pipelines. With a Master's degree in Informational Technologies of Design, the engineer harmonizes rigorous academic training with hands-on technical proficiency in languages and tools like C#, Entity Framework, React, and Azure. They champion efficient SDLC practices, as evidenced by designing fault-tolerant architectures and streamlining workflows that significantly improve system responsiveness and user engagement.
Main Skills
C/C++/C# 9 yr.
ASP.NET Core Framework
React
Vue.js
Programming Languages
.NET Platform
UI Frameworks, Libraries, and Browsers
C++ Libraries and Tools
JavaScript Frameworks
Mobile Frameworks and Libraries
JavaScript Libraries and Tools
Data Analysis and Visualization Technologies
Databases & Management Systems / ORM
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 advanced Azure cloud services for Fintech industry.
Responsibilities: Requirements analysis, dual-tenant authentication, comprehensive token validation, EF Core migrations, Azure Key Vault integration, RESTful API, Swagger/OpenAPI integration.
Technologies: C#, .NET Core, Entity Framework Core, Azure Entra ID, Azure Key Vault, MariaDB, Docker, FluentValidation, Mapster, Swagger, OpenAPI, Azure DevOps
Senior Full-Stack .NET Developer, Learning Platform
Duration: August 2023 – June 2025
Summary: Enhanced an EdTech learning platform with features improving user engagement and SEO, while implementing localization and experimentation capabilities.
Responsibilities: Database solutions using Dapper ORM, subscription management modules, shopping cart upgrade, legacy system migration, reporting systems optimization, social networking module, payment processes enhancement, Firebase notifications, cron job integration in Azure, robust validation mechanisms, database migration with Flyway, rewards system revamp, multi-site and localization in Optimizely DXP.
Technologies: C#, ASP.NET MVC, Blazor, Dapper, MariaDB, Flyway, Optimizely CMS, Azure DevOps
Senior Full-Stack .NET Developer, Document Management Systems
Duration: September 2024 – December 2024
Summary: Built enterprise-level document management and integration systems, driving automation and enhancing decision-making.
Responsibilities: Integration pipelines with Microsoft Dataverse and Power Apps, document generation processes, multi-tenant authorization, AI consulting API, payment gateway integration.
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: Developed an automotive dealer platform to streamline processes related to parts management and customer service workflows.
Responsibilities: Dealer catalog platform, spare-parts management, broken parts categorization, refurbished parts management, data-intensive module optimization.
Technologies: C#, ASP.NET Core, AngularJS, Entity Framework Core, DevExpress, MS SQL Server
Senior Full-Stack .NET Developer, CRM Platform
Duration: December 2022 – August 2023
Summary: Engineered a CRM platform tailored for aviation teams, focusing on procurement and logistical coordination.
Responsibilities: Backend processing optimization, fault-tolerant backend logic, advanced caching with Redis, SignalR real-time notifications, email systems with Hangfire, system integration.
Technologies: C#, ASP.NET Core, Blazor, AngularJS, MS SQL Server, Entity Framework Core, T-SQL, Redis Cache, MediatR, Fluent Validation, Hangfire, NUnit, Azure AD, OAuth, SignalR
Senior Full-Stack .NET Developer, Email Processing System
Duration: December 2022 – March 2023
Summary: Automated email processing and analytics for a communication technology company, enhancing communication efficiency.
Responsibilities: OAuth authentication flows, email parsing, labeling and automated dispatch systems, data access optimization, unit and integration tests.
Technologies: C#, ASP.NET Core, React, Redux, Tailwind, Dapper, Entity Framework Core, OAuth
Senior Full-Stack .NET Developer, HR Management Tools
Duration: March 2022 – December 2022
Summary: Streamlined HR processes with efficient tools for role-specific access, vacation scheduling, employee training tracking, and secure documentation management.
Responsibilities: Training and vacation module development, Excel and PDF data handling, permission management, cross-platform integration, code optimization.
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
Duration: September 2021 – February 2022
Summary: Built predictive analytics and business review testing modules to enhance data-driven strategic decision-making.
Responsibilities: Predictive analytics module development, dynamic testing systems with Chart.js integration, secure hierarchical authentication, data hierarchies and permission configurations.
Technologies: C#, ASP.NET Core, ReactJS, Redux, RxJS, TypeScript, MS SQL Server, T-SQL, Entity Framework Core, Chart.js, Visual Studio Code
Full-Stack .NET Developer, Healthcare and Fitness Platform
Duration: January 2020 – September 2021
Summary: Developed a health tech platform incorporating real-time video capabilities and reliable scheduling and billing systems.
Responsibilities: Architecture upgrades, real-time video application development, scheduling and billing integration, backend optimization, platform workflow simplification.
Technologies: C#, ASP.NET Core, Vue.js, Vuex, TypeScript, Entity Framework Core, Dapper, Postgres, T-SQL, AWS
Senior ASP.NET Developer, Asset and Data Management Tool
Duration: July 2019 – January 2020
Summary: Advanced scalable asset and data management tool for infrastructure projects, focusing on performance and modular extensions.
Responsibilities: High-performance REST API creation, Akka.NET and SignalR integration, microservices architectures, query optimization, asset management modules.
Technologies: C#, ASP.NET Core 2.1, Akka.NET, WPF, MS SQL Server, T-SQL, Entity Framework Core, Dapper, PostgreSQL, AWS DynamoDB, SignalR
Full Stack Developer, Advanced CRM Functionalities
Duration: March 2016 – October 2019
Summary: Enhanced CRM functionalities in an e-commerce setting with promotional tools, analytics, and improved processes.
Responsibilities: Secure authorization, scalable server architecture, call center integration, order management, stock management module, partner dashboard, UI enhancements with ReactJS, cross-platform integration.
Technologies: C#, ASP.NET Core Web API, ReactJS, Redux, TypeScript, MS SQL, T-SQL, Entity Framework, Dapper
Full Stack Developer, SaaS for Custom Phone Cases
Duration: November 2017 – September 2019
Summary: Developed SaaS solutions for e-commerce, enabling custom phone case designs with secure payment integration and order management.
Responsibilities: Custom design modules, scalable solutions, dynamic phone case design tool, CRM and logistics API integration, web architecture and API design.
Technologies: C#, ASP.NET Core Web API, AngularJS v1, TypeScript, T-SQL, Entity Framework, Dapper, Azure DevOps
Full Stack Developer, CRM Capabilities Enhancement
Duration: April 2016 – November 2019
Summary: Revamped CRM capabilities in e-commerce, improving workflow efficiency and user experience with robust, responsive interfaces.
Responsibilities: Server architecture with T-SQL, ASP.NET Core and Akka.NET integration, user interface with ReactJS, advanced stock management, real-time order builder, integrated mailing system, CRM integrations.
Technologies: ASP.NET Core Web API, ReactJS, TypeScript, T-SQL, Entity Framework, Dapper
Education
- Khmelnytskyi National University
- Master’s degree in Informational Technologies of Design.
- September 2009 – June 2014