Leyla Mehtiyeva

Available to hire

I'm Leyla Mehtiyeva, an ML/AI Engineer with 3+ years of experience building production ML and AI systems, including recommendation systems, conversational AI, retrieval pipelines, LLM-powered applications, embeddings…

About

I’m Leyla Mehtiyeva, an ML/AI Engineer with 3+ years of experience building production ML and AI systems, including recommendation systems, conversational AI, retrieval pipelines, LLM-powered applications, embeddings and ranking models.

Recently I focused on building reliable AI systems for production with an emphasis on evaluation, monitoring and controllable LLM behavior.

  • Joined September 2025

Languages

  • EnglishAdvanced
  • RussianFluent

Industry experience

  • Software & Internet
  • Retail
  • Government

Projects · 1

Overview

Designed and built an end-to-end AI-powered hotel search assistant from scratch.

The system understands natural language requests, extracts user constraints, retrieves relevant hotels, and generates grounded responses based on real search results.

Key Features

  • Natural language understanding
  • Retrieval-Augmented Generation (RAG)
  • Vector search using embeddings
  • Constraint matching and filtering
  • Structured hotel retrieval pipeline
  • Production-oriented architecture
  • End2end evaluation framework

Technologies

  • Python
  • FastAPI
  • OpenAI API
  • Elasticsearch
  • Vector Search
  • Pydantic
  • AsyncIO

My Responsibilities

  • Designed the overall system architecture
  • Implemented retrieval and ranking pipeline
  • Built hotel embedding pipeline
  • Developed structured data schemas
  • Implemented evaluation framework for retrieval and end2end quality
  • Integrated LLM reasoning with deterministic retrieval
  • Built API and backend logic

GitHub:
https://www.twine.net/signin

Work experience

ML Engineer · Birmarket (Azerbaijan’s largest e-commerce)Aug 2023 – Feb 2026 · 2 yrs 7 mos

Developed a production AI shopping assistant using LLMs and vector search powered by Elasticsearch. Designed and deployed a personalized ranking system (CatBoost), improving recommendation relevance and key ranking metrics, validated via A/B testing. Designed and built a production similar items recommendation system using Siamese Network embeddings and FAISS for scalable nearest-neighbor retrieval. Built and maintained production ML pipelines using Azure ML.

Education

MSc Mathematics & Computer Science · Moscow State University (Baku branch)2030 – 2026

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