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denis-peshkov/README.md
Denis Peshkov

Software Architect · Architect Consultant · .NET ecosystem

Website NuGet Chocolatey Company

About

I design and ship production-grade .NET platforms: CQRS pipelines, identity, caching, messaging, observability, and the glue that keeps microservices honest.

  • Architecting systems end-to-end — from domain boundaries to CI/CD and NuGet packaging
  • Building reusable libraries used across products (the Cross.* ecosystem)
  • Consulting on architecture, performance, and maintainable delivery
  • Prefer code that is typed, testable, and boring in production

📍 Kyiv, UA · Timis, RO

Stack

.NET C# ASP.NET Core EF Core MediatR CQRS JWT Redis PostgreSQL MongoDB Azure Docker GitHub Actions Serilog OpenTelemetry TypeScript Rust

Featured open source

Libraries I maintain and publish on NuGet:

Package Role Downloads
Serilog.Enrichers.HttpContext HTTP / correlation / memory enrichers for Serilog nuget
Cross.CQRS MediatR CQRS: Query, Command, CommandEvent, filters, validation nuget
Cross.CQRS.EF EF Core transactional behaviors for Cross.CQRS nuget
Cross.Identity Identity flows: JWT, Argon2, OTP, OAuth nuget
Cross.Cache In-memory + Redis cache with OpenTelemetry nuget
Cross.ErrorHandlers Unified ASP.NET Core exception → JSON responses nuget
Cross.Headers Correlation, CSP, user context middleware nuget
Cross.Messaging Email / SMS / Telegram messaging helpers nuget
Cross.DataFilter Filtering, sorting, pagination for EF Core nuget
update-nuspec-action CLI + GitHub Action + Azure DevOps: sync .nuspec / package.json from .csproj stars
video-downloader Desktop / tooling for downloading videos private
duplicate-finder Desktop app: find and remove duplicate files stars
More from the Cross.* family

Focus right now

→ Cross.* libraries & NuGet packaging
→ Identity / CQRS / observability for .NET services
→ Architecture consulting @ GURU SOLUTIONS
→ Tooling that removes friction (CI, nuspec, DX)

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Website NuGet Chocolatey Company

Architecting systems · shipping libraries · consulting on what lasts

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  1. Cross.CQRS Cross.CQRS Public

    .NET MediatR CQRS: Query, Command, CommandEvent (+ queue), Validation, Request/Result filters. Optional JWT licensing (ILicenseProductInfo). Published on Nuget at https://www.nuget.org/packages/Cro…

    C#

  2. Cross.CQRS.EF Cross.CQRS.EF Public

    EF Core transactional behaviors for MediatR/Cross.CQRS — DI config, isolation levels, per-handler ExactTransaction. Published on Nuget at https://www.nuget.org/packages/Cross.CQRS.EF

    C#

  3. Serilog.Enrichers.HttpContext Serilog.Enrichers.HttpContext Public

    Enriches Serilog events with client IP, Correlation Id, RequestBody, RequestQuery, HTTP request headers and information of the memory usage.

    C# 1

  4. Cross.EdiEngine Cross.EdiEngine Public

    Forked from olmelabs/EdiEngine

    Simple .NET EDI X12 Reader, Writer and Validator. EDI JSON XML Serialization and Deserialization.

    C#

  5. Cross.Identity Cross.Identity Public

    .NET identity library: JSON process flows (register, login, forgot password, tokens), JWT, Argon2, email/SMS OTP, OAuth. Published on Nuget at https://www.nuget.org/packages/Cross.Identity

    C# 1

  6. duplicate-finder duplicate-finder Public

    Python 1