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Denis Yurchenko
Backend Software Engineer

Experienced Software Engineer specialized in .NET development with a solid background in
Computer Science. Demonstrated ability in problem-solving, teamwork, and delivering
high-quality, maintainable code

Domain Experience: Fintech; E-commerce

CONTACTS
Phone: [open contact info](look above in the "contact info" section) ; Email: [open contact info](look above in the "contact info" section); Messenger: https://t.me/YurDenchik

PROFESSIONAL SKILLS

Operating Systems Windows

Programming Languages C#

Scripting Languages PowerShell (limited use for migrations or other
simple tasks, basic skills)

Frameworks Net Framework, Net Core, .Net 5-8

Libraries Entity Framework (Core), AutoMapper,
Newtonsoft.Json

Development Tools Visual Studio, JetBrains Rider, Git (SourceTree, Visual
Studio)

Data Management & Databases Postgres, MS SQL, SQLite

Web servers IIS

Software Development Approaches Scrum, TDD, DDD
& Methodologies

Software Design & Architecture REST API, Monolithic Architecture, CQRS

Testing Frameworks and Tools: xUnit, NUnit, Moq

Cloud Providers & Services Azure (Log Monitoring)

DevOps and CI/CD Tools Jenkins (basic tasks, such as configuring jobs or
pipelines)
WORK EXPERIENCE

SEOBROTHERS | Remote
08/2024 – 1/2025 | 5 months

Project: Digitex[Domain: iGaming]

Duration: 5 months
Role: Backend developer

A data storage system for player information, designed for further processing, statistics, and data
analytics. The project focused on reliable data storage.

Technologies & Methodologies Used:
C# .NET Core, Entity Framework, Kafka, Aspire, Microservices Architecture, NUnit

Responsibilities & Achievements:

● Worked on a microservices architecture using the Aspire framework;
● Configured and integrated communication between services utilizing Kafka for message
exchange;
● Implemented efficient storage solutions for player data to support processing and analytics;
● Ensured seamless service communication via REST API;
● Participated in optimizing data handling processes to ensure reliability and accessibility.

Elite Finance Group | Chernihiv, Ukraine [Remote] - .net developer
09/2023 - 08/2024 | 11 months

Project: Groshik [Domain: Fintech]

Duration: 11 months
Role: Backend developer
A backend solution tailored for a microcredit organization, focused on loan issuance and
management. The project streamlined operations for providing microloans while integrating
advanced payment systems and ensuring robust testing coverage.

Technologies & Methodologies Used:
C# .NET Core, Entity Framework, CQRS, NUnit, Postman, M-Pesa API, LINQ, RESTful
Responsibilities & Achievements:

● Implemented and maintained CQRS pattern with Entity Framework for efficient
database operations;
● Designed and performed CRUD operations to manage core business entities;
● Created and maintained Postman collections to facilitate testing and integration for
QA and frontend developers;
● Integrated M-Pesa, a widely used payment system in Africa, to handle loan
disbursements and repayments;
● Collaborated with Kenyan engineers to debug and optimize M-Pesa integration;
● Achieved 90% unit test coverage for the entire project using NUnit to ensure system
reliability;
● Actively participated in team discussions to improve workflows and resolve
challenges.

Flynk | Kyiv, Ukraine [On site] - .net developer
06/2019 - 09/2023 | 4 years 4 months

Project 1: StockShare [Domain: E-commerce]
Duration: 4 year 4 months
Role: Backend developer
A trading platform that enables retail networks to efficiently share inventory. This innovative
system facilitates seamless stock management among different retail entities, enhancing
supply chain dynamics.

Technologies & Methodologies Used:
C# NET Core, Entity Framework, Stripe API, Sendle API, RESTful, LINQ, NUnit, Integration Testing.

Responsibilities & Achievements:

● Managed integration of payment (Stripe) and shipping services (Sendle);
● Working with REST API;
● Collaborating effectively with other development team members;
● Participation in meetings;
Project 2: Engyn

Duration: 1 year
Role: Backend developer
Developed as an internal tool to automate and streamline release processes, Engyn tracks
the completion of tasks, alongside developer and tester contributions. The platform evolved
to include functionality for creating tables and block-like diagrams for data visualization and
project management.

Technologies & Methodologies Used:
C# NET Core, Entity Framework, Stripe API, RESTful, LINQ, Integration Testing

Responsibilities & Achievements:
● Working with REST API;
● Collaborating effectively with other development team members;
● Working with CRUD operations;

Kobi | Chernihiv, Ukraine [On site] - .net developer
2015 - 2018 | 3 years
Project: CaMaP [Domain: CCTV]
Duration: 3 years
Role: Software engineer
An expandable desktop application tailored for the management and operation of
multi-brand CCTV systems. Notably features extensibility to accommodate modules such as
face and license plate recognition, facilitating a comprehensive surveillance solution.

Technologies & Methodologies Used:
C#, OpenCV, WinForms

Responsibilities & Achievements:

● Developed a face detection and recognition module;
● Managed cross-brand camera integration;
● Performed system testing and quality assurance;
EDUCATION

CHERNIHIV POLYTECHNIC NATIONAL UNIVERSITY - Bachelor Studies in COMPUTER SYSTEMS AND
NETWORKS
2007 – 2011

CHERNIHIV POLYTECHNIC NATIONAL UNIVERSITY - Masters Studies in COMPUTER SYSTEMS AND
NETWORKS
2011 – 2012

LANGUAGES
● Russian - Native
● Ukrainian - Native
● English - Upper-Intermediate