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Achievement: QuickdrawAchievement: Arctic Code Vault ContributorAchievement: Pull Shark

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foresightyj/README.md

Jian Yuan

Senior software engineer and architect. I build high-performance, business-critical systems — mostly in C#/.NET, Go and TypeScript — with a focus on domain modelling, distributed systems and audit-grade reliability.

What I work on

  • High-performance .NET — allocation-aware code, expression trees, Roslyn, compiler/DSL work
  • Distributed systems — microservices, event-driven architecture, gRPC, identity & access
  • Domain-heavy platforms — rule engines and DSLs for complex business logic
  • Full stack when needed — React / Angular / Next.js, Node.js

Selected projects

  • ValueOf.Extensions — JSON / ASP.NET Core / Dapper adapters for the ValueOf library (C#)
  • lisp-in-fsharp — a small Lisp interpreter in F#, plus a dozen more experimentations
  • gitignorer — interactive .gitignore generator (Rust)
  • photo-butler — toy media tooling (Go)

Reach me

LinkedIn · imyuanjian@gmail.com

Pinned Loading

  1. ValueOf.Extensions ValueOf.Extensions Public

    A set of adapters/utilities you'll need when using the popular ValueOf library with System.Text.JSON, ASP.NET Core, Dapper, EF.Core

    C# 2

  2. tinyrpc tinyrpc Public

    minimalistic trpc like rpc for next.js page router without requiring `"strict": true` in tsconfig.json like trpc

    TypeScript

  3. FHT.Nullify FHT.Nullify Public

    C# 2

  4. tick tick Public

    An express task/alert manager, similar experience to using Alfred, Launchy, Wox & Listary

    TypeScript 5

  5. lisp-in-fsharp lisp-in-fsharp Public

    F# 1

  6. utube-go utube-go Public

    submit urls to utube-download

    F#