AI Engineer

Agents · RAG · Evaluation

I build AI applications and the backend systems around them.

Selected work

StudyAgent

A self-hosted RAG assistant for private documents. Ask questions with source metadata, generate quizzes and flashcards, and return to saved conversations.

Asynchronous ingestion, pgvector retrieval, five validated tools, user-scoped access controls and a local MCP server.

_{TypeScript · Python · PostgreSQL · pgvector}

Architecture · Setup

Layeh's Market

An independent software project for an ARK gaming community. I develop and maintain its Python automation and TypeScript web application.

Ticketing, community operations, authentication, order management and payment integrations.

_{Python · TypeScript · Next.js · PostgreSQL}

_{StudyAgent includes TypeScript/Python evaluation harnesses. A public evaluation corpus and measured quality baseline are still planned. Explore the evaluation tooling.}

Activity

Opened pull requests

Fix crash when removing parentheses would merge two type-ignore comments in psf/black
BUG: chunk scalar DataArray and Dataset data in pydata/xarray
fix(stream): preserve Twitch messages across socket reads in online-ml/river
fix(stream): close reader-owned files on early exit in online-ml/river

Merged pull requests

Rust parser: align BigQuery recovery at mixed terminators in sqlfluff/sqlfluff
DOC: clarify object inputs in isna and notna in pandas-dev/pandas
TYP: Accept object inputs in isna and notna in pandas-dev/pandas-stubs
BUG: propagate C-API import failures with SWIG 4.4 in numpy/numpy

Own projects

Toolkit

Python TypeScript PostgreSQL Google Cloud Terraform

Agent tools · RAG · Evaluation · Google ADK · MCP · CI/CD

GeezerVison

layeh hector2394

Achievements