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Oleh
.Net developer
- City of residence:
- Odesa
- Ready to work:
- Odesa, Remote
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Oleh Dumanskyi
.NET/C# Backend Developer
[open contact info ](look above in the "contact info" section) [open contact info ](look above in the "contact info" section) LinkedIn Telegram Ukraine, Odesa
Summary
I am a backend C#/.NET developer with 2 years of experience in .NET development, API design, and high-
load system optimization.
Skills
C#, .NET, ASP.NET, SQL/T-SQL, MS SQL Server,
WebAPI/MVC, REST API, Azure (Blobs, Queues, AF,
Azure DevOps), Redis, OOP, SOLID, Clean
Architecture, xUnit, Git
Experience
ABP 2023 – 2025
Avto.pro
High-traffic automotive parts marketplace with complex search, pricing, and
integration systems.
Optimized the price list import service, reducing average processing time
•
from 5 minutes to 2 minutes.
Migrated and optimized 30+ modules from .NET Framework to .NET 8,
•
reducing local startup time from 15 to 5 minutes.
Implemented a loyalty program feature, increasing one of the key conversion
•
metrics by more than threefold.
Integrated the Binotel telephony service, which increased the conversion rate
•
of confirmed orders by 7%.
Developed a public API for uploading price lists and managing stock,
•
increasing the product catalog by over 5 million items, and gathered
requirements and presented functionality directly to customers.
ABP 2023 – 2024
NDA
Complex social platform
Collaborated directly with the client (CEO) to define product concept,
•
formalize requirements, and prioritize features.
Designed the overall system architecture including video processing services,
•
data storage, CDN, real-time communication (SignalR), and microservice
components.
Produced a detailed, data-driven cost model for operational support and
•
scaling (compute, storage, CDN, bandwidth) from 1 to 1 million users,
enabling executive decision-making on budget and go-to-market strategy.
Education
Master's Degree — Software Engineering 2023 – 2025
Odesa National Polytechnic University
Bachelor's Degree — Software Engineering 2019 – 2023
Odesa National Polytechnic University
Languages
English — Intermediate (B1)
Polish — Elementary (A2)
Ukrainian — Native
.NET/C# Backend Developer
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Summary
I am a backend C#/.NET developer with 2 years of experience in .NET development, API design, and high-
load system optimization.
Skills
C#, .NET, ASP.NET, SQL/T-SQL, MS SQL Server,
WebAPI/MVC, REST API, Azure (Blobs, Queues, AF,
Azure DevOps), Redis, OOP, SOLID, Clean
Architecture, xUnit, Git
Experience
ABP 2023 – 2025
Avto.pro
High-traffic automotive parts marketplace with complex search, pricing, and
integration systems.
Optimized the price list import service, reducing average processing time
•
from 5 minutes to 2 minutes.
Migrated and optimized 30+ modules from .NET Framework to .NET 8,
•
reducing local startup time from 15 to 5 minutes.
Implemented a loyalty program feature, increasing one of the key conversion
•
metrics by more than threefold.
Integrated the Binotel telephony service, which increased the conversion rate
•
of confirmed orders by 7%.
Developed a public API for uploading price lists and managing stock,
•
increasing the product catalog by over 5 million items, and gathered
requirements and presented functionality directly to customers.
ABP 2023 – 2024
NDA
Complex social platform
Collaborated directly with the client (CEO) to define product concept,
•
formalize requirements, and prioritize features.
Designed the overall system architecture including video processing services,
•
data storage, CDN, real-time communication (SignalR), and microservice
components.
Produced a detailed, data-driven cost model for operational support and
•
scaling (compute, storage, CDN, bandwidth) from 1 to 1 million users,
enabling executive decision-making on budget and go-to-market strategy.
Education
Master's Degree — Software Engineering 2023 – 2025
Odesa National Polytechnic University
Bachelor's Degree — Software Engineering 2019 – 2023
Odesa National Polytechnic University
Languages
English — Intermediate (B1)
Polish — Elementary (A2)
Ukrainian — Native
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The candidate's resume is posted at https://www.work.ua/resumes/15750943/