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Focusing
🎯
Focusing
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Achievement: Arctic Code Vault ContributorAchievement: Pull Shark

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a4abs/README.md

Hi 👋, Everybody~

👨‍💻 AI Engineer & Full-Stack Developer | AI-Powered Hiring Tech

I build autonomous agentic workflows and scalable AI systems. Currently focused on orchestration with LangGraph and high-speed inference using Gemini 2.5/3 Flash, Claude OpenAI.

🛠️ My stack 👨‍💻

Languages & Frameworks

Backend

  • Nestjs, FastAPI, Node.js, Express, Koa
  • REST APIs, Async workers, Socket and SSE

Data & Search

  • PostgreSQL, pgvector
  • Semantic search, cosine similarity
  • Hybrid ranking (RRF, weighted scoring)

AI / ML

  • LLMs (OpenAI, Gemini)
  • Embeddings & vector search
  • Prompt engineering & evaluation

Infra

  • Docker, Linux, AWS, Object storage
  • Background jobs & schedulers

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