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yan2441/README.md
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I build Go services, TypeScript frontends, and production AI (RAG, orchestration, voice)

Software engineer specializing in Go, TypeScript, Python, and AI/ML.
I build production RAG pipelines, LLM orchestration, voice AI agents,
and full-stack web applications with React, Next.js, and gRPC microservices.
Experienced with LangChain, pgvector, Pinecone, Kubernetes, and Terraform.

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🧠 AI/ML & GenAI stack

Python PyTorch TensorFlow scikit-learn OpenAI Hugging Face LangChain LlamaIndex pgvector Pinecone OpenTelemetry

Focus areas

  • RAG: chunking, embeddings, re-ranking, evaluation.
  • LLM apps: tools/agents, function calling, safety/guardrails.
  • Voice AI: real-time pipelines with Asterisk/WebRTC.

🧰 Back-end stack

Go gRPC Protocol Buffers PostgreSQL MySQL Redis NATS Kafka GraphQL OpenAPI MongoDB SQLite

🎛️ Front-end stack

TypeScript React Next.js Tailwind CSS Vite

📞 Voice & realtime

Asterisk WebRTC SIP.js LiveKit

🧪 Quality, Ops & Infra

GitHub Actions Docker Kubernetes Helm Grafana Prometheus Terraform APISIX NGINX S3

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