Андрій

Andrii Makar
.NET Developer
Location: Ternopil, UA​
Phone: [open contact info](look above in the "contact info" section)​
Email: [open contact info](look above in the "contact info" section)​
GitHub: github.com/mak27arr ​
LinkedIn: [open contact info](look above in the "contact info" section)

SUMMARY
.NET Developer with 5+ years of commercial experience in building and maintaining backend and
desktop applications. Strong background in C#, .NET Core / .NET 8, ASP.NET Core, REST APIs,
and relational databases. Experienced in distributed systems, containerized environments, and
CI/CD pipelines. Proven ability to support production systems, troubleshoot complex issues, and
gradually modernize legacy solutions. A highly hands-on and reliable developer focused on clean
architecture, performance, maintainability, and code quality through unit and UI testing.

SKILLS SUMMARY
Languages & Platforms: C#, .NET 8, ASP.NET Core, REST API, WPF, WinForms.
Frameworks & Libraries: Entity Framework, Dapper, SignalR, Nevron, WCF, Serilog, NLog.
Databases: MS SQL Server, SQLite, MySQL.
Version Control: GitLab, Git.
Architecture & Concepts: OOP, Design Patterns, Multithreading, Data Structures & Algorithms,
Microservices.
DevOps & Tools: Docker, Git, GitLab CI/CD, GitHub Actions.
Cloud & AWS: S3, ECR, ECS, CloudWatch, EC2/VPC, SQS, RDS, Lambda.
Frontend (working knowledge): React.
Testing & QA: Unit testing (xUnit); UI automation with Selenium (WinAppDriver); integration
testing; CI/CD automation.​
Process Improvement & Collaboration: Process and workflow optimization, documentation,
upgrade lifecycle planning, collaboration with Infrastructure teams, internal application support, and
cross-team communication.
Soft Skills: Analytical problem solving, attention to detail, ability to work independently,
multitasking, user-oriented mindset, and effective communication.
Languages: Ukrainian (Native), English (Fluent)

Experience
Company: UST (CP)
Location: Remote(USA)
Duration: April 2025 – Present
Role: .NET Developer
●​ Maintained and enhanced a distributed medical document management system.
●​ Developed new backend modules and improved workflow automation.
●​ Diagnosed and resolved container crashes under high load, improving system stability.
●​ Designed new features and modules independently and collaboratively.
●​ Implemented an automated data import system, streamlining the processing of incoming medical
records and reducing manual entry errors.
●​ Modernized legacy modules by migrating core functionality to a decoupled architecture using
AWS SQS and AWS Lambda, significantly improving system scalability and responsiveness.
●​ Conducted regular code reviews to ensure code quality and best practices.
●​ Provided guidance and support to colleagues on technical issues.
●​ Optimized performance, including database queries and backend processes.
●​ Worked with containerized services deployed in AWS ECS.
●​ Occasionally contributed to frontend tasks (React) to support end-to-end delivery.
Technologies: .NET 8, ASP.NET Core, Docker, AWS (ECS, SQS, Lambda, S3), MS SQL Server,
React, GitLab

Company: Yards, Inc.
Location: Remote (Austria)
Duration: March 2021 – March 2025
Role: .NET Developer
●​ Developed and maintained a fintech client-server application (AgenaTrader).
●​ Built desktop client applications using WinForms and .NET Framework.
●​ Implemented inter-service communication using WCF.
●​ Worked with SQLite on the client side and MySQL on the server side.
●​ Fixed critical bugs, optimized performance, and delivered new features.
●​ Added monitoring indicators to assess trading datafeed quality and provider performance.
●​ Developed REST APIs (ASP.NET Core) and broker services using ASP.NET Core and SignalR.
●​ Set up CI pipelines in GitLab for automated testing and builds.
●​ Worked in a Scrum environment, actively participating in sprint planning and reviews.
Technologies: C#, .NET Framework 4.8, .NET Core, WinForms, WCF, ASP.NET Core, SignalR,
SQLite, MySQL, GitLab CI/CD

Company: Freelance (Part-time)
Location: Remote
Duration: August 2019 – March 2021
Role: .NET Developer
●​ Developed a desktop application for creating and managing product catalogs for online shops.
●​ Implemented Excel import/export functionality.
●​ Developed custom ERP integration modules using C# and WPF.
●​ Built REST services and web scraping tools.
Technologies: C#, WPF, .NET Core, REST API

Company: Spetsavtoinvest
Location: Ternopil, Ukraine
Duration: March 2019 – March 2021
Role: .NET Developer / 1C developer
●​ Developed a system for automatic photo capture and vehicle recognition by license plate.
●​ Implemented REST APIs to integrate with the main ERP system (1C).
●​ Generated reports and printed forms (with and without SDK).
●​ Participated in business process automation initiatives.
●​ Worked with configuration refinement and document flow optimization.
Technologies: C#, .NET Core, REST API, SQL, ERP integration

Education
Ternopil Ivan Puluj National Technical University
Computer Engineering (Master’s degree)
Technical College of Ternopil Ivan Puluj National Technical University
Serving Computer and Intelligent Systems and Networks