Остап

Ostap Haivanovych
Lviv, Ukraine [відкрити контакти](див. вище в блоці «контактна інформація») 9uyone guy0n3 9uyone

Junior .NET Developer with hands-on experience building backend services, RESTful APIs, and microservices.
Practical background in C# / ASP.NET Core, asynchronous programming, Docker, and relational/NoSQL databases.
Focused on writing clean, testable code and eager to contribute to commercial projects within a collaborative team.

SKILLS
Languages / Core concepts Frameworks / ORM
C# (LINQ, TPL), SQL, C++, Python, Javascript / .NET 10, ASP.NET Core (Web API, MVC), .NET
Typescript Framework 4.8 (WinForms), EF Core, React (MUI)

Databases DevOps / Networking / Infrastructure
PostgreSQL, MySQL, MS SQL Server, Redis, MongoDB Git, Docker, Docker Compose, OpenWrt/Networking,
GitHub Actions, Azure, Nginx
Tools / Testing
RabbitMQ, REST API, Swagger/OpenAPI, Postman,
xUnit

PROJECTS
FlowAggregate , distributed data ingestion & analytics platform 12.2025 – 06.2026
Engineered a distributed platform for real-time data ingestion, time-series analytics, and
automated reporting with an interactive dashboard.
Architected microservices using C#, .NET 8, and Clean Architecture, exposing
•

endpoints via REST and an Ocelot API Gateway.
Designed event-driven pipelines using RabbitMQ (MassTransit) for async
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messaging, alongside Hangfire for scheduled background processing.
Implemented data persistence & caching leveraging MongoDB for time-series
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documents and Redis for fast in-memory caching.
Engineered analytical modules, integrating OpenAI API for predictive insights and
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developing a dynamic C# Reflection plugin system.
Containerized the entire infrastructure with Docker / Docker Compose and
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ensured code reliability with xUnit tests.
Built a responsive React/MUI dashboard to visualize streaming metrics, status
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updates, and reporting charts.
Environment / Tech Stack: C#, .NET 8, ASP.NET Core, RabbitMQ (MassTransit), Redis,
MongoDB, Docker Compose, xUnit, Azure (App Services / Storage).

EDUCATION
Bachelor of Computer Science, Ukrainian National Forestry University 09.2022 – 06.2026

LANGUAGES
Ukrainian — Native English — B1

ADDITIONAL EXPERIENCE
Musixmatch , Ukrainian Lyrics Curator Specialist 05.2022 – Present
Curate, transcribe, and sync Ukrainian song lyrics for major streaming platforms,
• Contributor
ensuring top-tier accuracy and official verification status.
Review community contributions, tag song structures, and mentor contributors via
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Slack according to platform guidelines.