Hannu Varjoranta
Founding Engineer @ Avrea | AI-native builder, Data & Developer Infrastructure Systems
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About
Hannu Varjoranta works in AI engineering, based in Helsinki, Finland (Avrea). Founding Engineer @ Avrea | AI-native builder, Data & Developer Infrastructure Systems. Public projects on GitHub include Turboquant Vllm (TurboQuant+ KV cache compression for vLLM. 3.8x smaller KV cache, same conversation quality), Patterns Starter (A single pattern, an MCP server, and a method for building your own living corpus of architectural patterns…) and Etchdb (Minimal async DB layer for Python. Typed CRUD over Pydantic. Raw SQL when you need it), mostly written in Python.
Projects 3
- github.com
Turboquant Vllm
TurboQuant+ KV cache compression for vLLM. 3.8x smaller KV cache, same conversation quality. Fused CUDA kernels with automatic PyTorch fallback.
Patterns Starter
A single pattern, an MCP server, and a method for building your own living corpus of architectural patterns — co-authored with your AI agents.
github.comEtchdb
Minimal async DB layer for Python. Typed CRUD over Pydantic. Raw SQL when you need it.
github.com