Денис

Denys Zagorodnii
.Net Developer

Have practical experience with C# and databases, including PostgreSQL, Microsoft SQL Server, and MySQL.
Interested in new technologies, capable of solving problems, and approach tasks with an analytical and logical
mindset.

EDUCATION
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Computer Engineering
Vinnytsia National Technical University
[open contact info](look above in the "contact info" section)/2019 - 06/2023, Ukraine Vinnytsia
Courses
Computer Engineering (123)
Vinnytsia, Ukraine

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WORK EXPERIENCE
s
C# Developer
Five Systems Development
github.com/Ghostyshka 01/2024 - Present, Vinnytsia
Worked on three projects

SKILLS Social Media /File Manager/VetClinic Management
Social Media App is a platform for user interactions via posts, comments, likes, and direct messaging. As
a full-stack developer, I added features, fixed bugs, and maintained functionality across both the backend
С# ASP.NET and frontend to ensure a smooth user experience.
File Manager is a web-based app that mimics operating system explorers. It allows users to browse,
Stripe SignalR manage, upload, download, and organize files and directories with an intuitive interface. The app
supports file and folder creation, renaming, deletion, and movement.
RESTful API VetClinic Management App is a scalable server-side application for managing a veterinary clinic. It
handles user registration, appointment scheduling, animal records, vaccination tracking, and email
AWS SES, SNS, RDS, EC2, notifications. Using Onion Architecture, it ensures a clean separation of concerns, enhancing
ECR maintainability and testability.
Event Simply is a project for auctions in the USA. I set up CI/CD pipelines, optimized AWS tasks to stay
Entity Framework within the free tier limits, and led the migration of the database from MS SQL to PostgreSQL. I also
deployed the frontend, addressed issues like domain setup and SSL certificates, and ensured
functionality support across the project.
SQL Dapper

Java Developer
Html&Css JavaScript
Pet-project
08/2023 - 10/2023, Khmil’nyk
Trello/Jira Git
Achievements/Tasks
Involved in backend development for a Veterinary Clinic application, focusing on database integration to
React create a robust system tailored to veterinary needs. This includes managing seamless database
connections and efficient data display.

Frontend Developer
LANGUAGES Freelance
06/2022 - 09/2022, Ukraine
Ukraine
Native or Bilingual Proficiency Achievements/Tasks
Collaborated on developing web applications, problem-solving, maintaining code, creating landing
English pages, and refactoring. Skills include Web Development, Code Refactoring, Landing Pages, HTML5,
Professional Working Proficiency Bootstrap, CSS, and JavaScript.

INTERESTS CERTIFICATES
Front End Development Libraries (06/2022)
Classic Music Travel
https://www.freecodecamp.org/ukrainian/certification/ghostyshka/front-end-development-libraries

Driving Engineering Career Essentials in GitHub Professional Certificate (11/2024)
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Computer Programming
Amazon Exam Prep Standard Course: AWS Certified Developer - Associate (DVA-C02) (03/2025)
https://www.credly.com/badges/48645ea5-ed06-482b-ab2a-ecd41d1f2bea/linked_in_profile

Amazon Web Services AWS Educate Introduction to Cloud 101 (03/2025)
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profileId=ACoAADoLN2QBqtlUE0aq8h9rFLEBN9Mt4uzbKzU