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Viacheslav Shymkovych

Phone: [открыть контакты](см. выше в блоке «контактная информация») | Email: [открыть контакты](см. выше в блоке «контактная информация») | LinkedIn: Viacheslav Shymkovych

With over 12 years of experience in .NET and SQL development. Specialize in designing, maintaining, and improving software solutions with a strong focus on high performance, modular architecture, and scalability.

SKILLS

• Programming Languages: C#, T-SQL/SQL, JavaScript.
• Frameworks & Tools: .NET, .NET Core, ASP.NET (MVC/Web API), Entity Framework, WCF, WPF, Silverlight, WinForms, Docker, Git.
• Messaging & Background Processing: RabbitMQ, Redis, SignalR, Hangfire, Quartz.NET.
• Testing: xUnit, Moq.
• Frontend: Vue.js, Knockout.js, jQuery, HTML, CSS.
• Project Management & Collaboration: Jira.
• Familiar with: Jenkins, MySQL, Firebird, TypeScript, Node.js, Umbraco CMS, C++, Linux.

PROFESSIONAL EXPERIENCE

Senior .NET Developer | Code Genius LLC | May 2021 – May 2025

• Worked on a trading integration service, back-office system, customer portal, and CRM built on a hybrid architecture combining macroservices and microservices.
• Developed and maintained distributed services using .NET Core, Entity Framework Core, SQL Server, RabbitMQ, Redis, SignalR, Hangfire, and Quartz.NET.
• Improved performance and maintainability by refactoring key modules, optimizing business logic and data access layers in line with domain requirements.
• Designed and developed a new high-load trading integration service, as well as a client trading service, both optimized for reliability and real-time data processing.
• Migrated the CRM system from Node.js and MySQL to C#, ASP.NET Web API, and SQL Server.
• Established unit testing practices across multiple services using xUnit and Moq, significantly improving test coverage and code reliability.
• Containerized services using Docker to ensure consistent development and deployment workflows.
• Worked closely with a third-party team to coordinate integration efforts and ensure seamless communication between systems.
• Logged and analyzed production issues using Elasticsearch and Kibana, improving system reliability.
• Developed software solutions with Vue.js to meet client needs.
• Provided technical mentorship and supported team members.
• Created technical documentation to support system architecture, APIs, and development workflows.

Senior .NET Developer | AVRA Technology | June 2019 – May 2021

• Worked on a trading integration service, back-office and customer portal system built on a hybrid architecture combining macroservices and microservices.
• Developed and maintained distributed services using .NET Core, Entity Framework Core, SQL Server, RabbitMQ, Redis, SignalR, Hangfire, and Quartz.NET.
• Improved performance and maintainability by refactoring key modules, optimizing business logic and data access layers in line with domain requirements.
• Implemented claim-based Role-Based Access Control with fine-grained role/permission separation.
• Introduced distributed coordination via leader election for background workers.
• Containerized services using Docker to ensure consistent development and deployment workflows.
• Collaborated with a parallel team maintaining the CRM system and provided secured external API access for third-party partners.
• Logged and analyzed production issues using Elasticsearch and Kibana, improving system reliability.

.NET Developer | Edsson | October 2016 – May 2019

• Maintained and extended a back-office system and customer self-service portal using C#, ASP.NET MVC, Web API, and SQL Server, with a strong focus on performance optimization across backend, frontend and SQL queries.
• Built RESTful APIs used by both the web application and external mobile clients.
• Implemented front-end features using Razor, jQuery, Knockout.js, and Vue.js in collaboration with UI designers.
• Set up CI/CD pipelines via Jenkins and Octopus Deploy, automating build and release processes.
• Logged and analyzed production issues using Elasticsearch and Kibana, improving system reliability.

.NET Developer | Crédit Agricole | August 2015 – September 2016

• Developed CRM modules for enterprise-level banking applications, focusing on reliability, maintainability, and integration with internal systems.
• Designed, implemented, and maintained backend services using C# and WCF, supporting business-critical operations.
• Designed and developed internal application using Silverlight.
• Provided mentorship and technical guidance to junior developers, contributing to team skill growth and code quality.

Junior .NET Developer | SteelArm | March 2014 – July 2015

• Designed and developed desktop applications for a parking management system using C#, WinForms and Firebird. Enabling seamless interaction between PC terminals and parking equipment.
• Implemented a console application in C++ on Linux for a smart parking rack powered by a single-board computer.
• Created technical documentation.

Junior Engineer | SJSC ARTEM | July 2013 – March 2014

• Developed desktop applications in C#.
• Developed applications for microcontroller AVR ATmega in C.
• Worked with circuitry.
• Created technical documentation.

EDUCATION

NTUU “Kyiv Polytechnic Institute” | Radio engineering of devices and systems
Master degree | 2008 – 2014

ADDITIONAL INFORMATION

• Languages: English (upper-intermediate), Ukrainian (native).
• Personal Qualities: responsible, goal-focused, fast learning, communicative.