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K

Kira Espinoza

Senior Domain Expert – Buyers and Purchasing Agents | Occupational Reviewer | Mercor Intelligence

USA flagAltadena, Usa
IntermediateMercor

Key Skills

Software

MercorMercor

Top Subject Matter

E-commerce Product Data & Taxonomy
Buying and Purchasing
Retail Workflows

Top Data Types

TextText
DocumentDocument

Top Task Types

No task types listed

Freelancer Overview

Senior Domain Expert – Buyers and Purchasing Agents | Occupational Reviewer | Mercor Intelligence. Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Mercor. Education includes Bachelor of Science, Arizona State University - FIDM (2021) and Associate of Arts, Arizona State University - FIDM (2015). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Intermediate

Labeling Experience

Mercor

Senior Domain Expert – Buyers and Purchasing Agents | Occupational Reviewer | Mercor Intelligence

MercorText
As a Senior Domain Expert and Occupational Reviewer for Mercor Intelligence, I designed and executed AI evaluation and benchmarking tasks within shopping and buyer agent workflows. I created structured prompts, rubrics, and quality assurance checks aimed at performance testing of large language models. My work focused on generating and validating expert-level data to train, test, and differentiate advanced AI systems. • Developed and refined complex evaluation rubrics for occupational workflow scenarios • Authored and rated model outputs, including prompt/response pairs for LLM training data • Performed multi-stage QA, peer review, and validation of annotated AI training samples • Specialized in RLHF and test set creation for model capability and boundary assessment.

As a Senior Domain Expert and Occupational Reviewer for Mercor Intelligence, I designed and executed AI evaluation and benchmarking tasks within shopping and buyer agent workflows. I created structured prompts, rubrics, and quality assurance checks aimed at performance testing of large language models. My work focused on generating and validating expert-level data to train, test, and differentiate advanced AI systems. • Developed and refined complex evaluation rubrics for occupational workflow scenarios • Authored and rated model outputs, including prompt/response pairs for LLM training data • Performed multi-stage QA, peer review, and validation of annotated AI training samples • Specialized in RLHF and test set creation for model capability and boundary assessment.

2025 - Present

Education

A

Arizona State University - FIDM

Bachelor of Science, Business Management

Bachelor of Science
2019 - 2021
A

Arizona State University - FIDM

Associate of Arts, Merchandise Marketing

Associate of Arts
2012 - 2015

Work History

R

Regal Rosette Awards

Assistant Buyer

Altadena
2023 - Present
D

DB Buying Services

Retail Buyer

Los Angeles
2022 - 2023