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Meetme

· 3 min read
Sif Winter
Full-Stack AI and Blockchain Developer

Hi, I'm Sif

A software engineer interested in systems, agents, and protocols.

I work across the stack, from operating systems and virtualization to distributed services, AI agents, and smart contracts.

I am particularly interested in multi-agent coordination, memory and context management, event-driven systems, cryptography, and the boundary between software and physical devices.

I mostly write Rust, Java, Python, TypeScript, and C. I do not regard languages and frameworks as identities; they are agreements between programmers and machines. What matters is understanding the abstraction, and knowing when to look below it.

I value simple interfaces, explicit state, observable failures, and software that respects its users.

I am always glad to talk about systems programming, distributed systems, agent infrastructure, cryptography, or smart contracts.

You can reach me at qingyuehanxi@foxmail.com.

Languages and Tools​

Linux Rust Java C C++ Golang Python Javascript Typescript WASM Bash Electron Tauri HTML CSS Node.js Deno Bun React Vue Bootstrap Tailwind CSS Spring Maven Gradle Kubernetes Docker MySQL PostgreSQL MongoDB SQLite Redis Kafka Nginx FastAPI Git Jenkins Google Cloud Platform Firebase Cloudflare GitHub GitLab Bevy Godot