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Achievement: Pull Shark

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Achievement: Pull Shark

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PADOALEX/README.md

Oleksandr Durmanenko

.NET / Full-Stack Developer

C# and .NET PostgreSQL React

LinkedIn  ·  All repositories

I build .NET APIs and full-stack applications, focusing on data integrity, reliable workflows and automated tests. Systems Analysis student at Ivan Franko National University of Lviv.

Featured projects

EventFlow · React / ASP.NET Core / PostgreSQL
Event management with server-side filtering, validation and API/browser tests.

BankCore · ASP.NET Core / EF Core / PostgreSQL
Educational banking API with atomic transfers, idempotency and consistent ledger reconciliation.

StudioOps · .NET / JavaScript / PostgreSQL
Studio management and Kanban with role-based access, project membership and optimistic task revisions.

ShopCore · ASP.NET Core / PostgreSQL / JWT
E-commerce API with transactional checkout, stock protection and validated order transitions.

ContactFlow · ASP.NET Core MVC / Dapper / SQL Server
Contact management with validated atomic CSV imports and SQL-backed repository tests.

GamePulse · C# / Avalonia / MVVM
Steam profile explorer with cancellation, retries, caching and clear unavailable-data states.

View application screenshots

EventFlow

EventFlow event workspace

StudioOps

StudioOps Kanban board

Captured from the running applications with synthetic demonstration data.

Technology stack

Backend: C# · .NET · ASP.NET Core · Entity Framework Core · Dapper
Frontend: React · JavaScript · HTML · CSS
Databases: PostgreSQL · SQL Server
Desktop: Avalonia · MVVM
Engineering: Git · GitHub Actions · Docker Compose · OpenAPI · xUnit · Jest · Playwright

Fundamentals, learning and how I work

C# AlgorithmLab covers data structures and sorting; NumericalLab covers numerical methods and reproducible reports.

I am learning Java and Spring through Java AlgorithmLab and Java EventFlow.

I use AI coding tools for implementation assistance, debugging and exploring designs. I verify changes with builds and tests, and document setup steps and design decisions in each repository.

Personal and academic projects. Banking and payment flows are educational simulations.

Popular repositories Loading

  1. PADO-GamePulse PADO-GamePulse Public

    Explore any Steam profile, compare libraries and discover gaming insights. C# / .NET 10 / Avalonia.

    C# 1

  2. PADO-Cryptology PADO-Cryptology Public

    A cross-platform C#/.NET cryptography and cryptanalysis toolkit featuring classical ciphers, number theory, RSA, digital signatures, Shamir's Secret Sharing, and Avalonia UI.

    C# 1

  3. GAME_DEV_PADO GAME_DEV_PADO Public

    in this repository, I will add my projects and all kinds of cool things about game development

    C#

  4. Theatre Theatre Public

    Historical C++ theatre management console app with text-file storage, seat integrity fixes and CTest regression checks.

    C++

  5. THEATRE_Final_Code THEATRE_Final_Code Public

    Historical C++ theatre exercise with validated file loading, ticket integrity fixes and executable CTest regressions.

    C++

  6. Task_Manager_by_PADO Task_Manager_by_PADO Public

    A simple console-based Task Manager written in C++. Manage tasks with priorities, save/load them from a file, and execute tasks based on their importance.

    C++