Personal information hidden

Denis Myroshnykov [open contact info](look above in the "contact info" section)

[open contact info](look above in the "contact info" section)
.NET Backend Developer

P R O F I L E E D U C A T I O N

.NET Backend Developer with 5+ years of commercial experience in 2016 - 2020
fintech, insurance, and enterprise applications. Strong background in Physical-Technical Lyceum
C#, ASP.NET Core Web API, SQL Server, Entity Framework, ADO.NET,
REST APIs, background processing, and service-oriented systems. 2020 - 2024
Experienced in developing business-critical financial workflows, National Aviation University
refactoring long-lived systems, and improving code maintainability Bachelor of Computer Science

W O R K E X P E R I E N C E S K I L L S

May 2025 - PRESENT Backend:
Fintech Company C#,
.NET Backend Developer .NET / .NET Core
ASP.NET Core Web API
Developing backend functionality for a fintech lending
ASP.NET MVC
platform in a large monolith and service-oriented
Entity Framework
environment (70+ microservices)
ADO.NET
Build and support background jobs and event-driven flows
LINQ
with Hangfire and RabbitMQ
REST APIs
Contribute to Angular frontend functionality integrated with
Refit
ASP.NET Core APIs and internal admin workflows
Hangfire
Work with Dockerized services deployed to Kubernetes; use
Argo CD to inspect application status, pods, and logs while
Databases:
debugging application and cross-service issues
Microsoft SQL Server
Use GitHub Copilot, Claude Code, and Codex for
MongoDB
implementation, code review, refactoring, debugging, and
development workflow automation
Messaging:
RabbitMQ
June 2022 - May 2025
Siscon l Danish company AI Tools:
.NET Developer / Full Stack Developer GitHub Copilot (VS)
Developed and evolved an enterprise risk and compliance Claude Code
management system using C#/.NET, REST APIs, Microsoft Codex
SQL Server, complex SQL queries, and ADO.NET
Refactored modules and improved maintainability of a large Frontend:
long-lived codebase, including migration of legacy ASP.NET Vue.js
WebForms functionality to Vue.js Angular
Collaborated with international stakeholders in English JavaScript (jQuery)
through calls, task discussions, and code reviews HTML / CSS

Tools & Workflow:
December 2020 - June 2022 Git / Bitbucket
InCore l Kiev City Jira / Azure DevOps
Full Stack Developer NuGet
Docker
Developed and maintained insurance web applications
using C#/.NET, Entity Framework, REST APIs, JavaScript,
Analytics:
HTML/CSS, and Azure DevOps.
Power BI (DAX, data modeling,
custom visual development)