Christian Kalu

Key Skills

Software

Mercor

Top Subject Matter

General AI/LLM Training and Evaluation

E-Commerce - Customer Support, Sales & Retail

E-Commerce - Inventory, Invoicing & Order Fulfillment

Top Data Types

Text

Document

Top Task Types

Question Answering

Classification

Evaluation/Rating

Freelancer Overview

AI Trainer and Evaluator Generalist Expert. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mercor. Education includes Bachelor of Science, University of Uyo (2019) and National Diploma, University of Uyo (2015). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Trainer and Evaluator Generalist Expert

MercorText

As an AI Trainer and Evaluator Generalist Expert at Mercor, I write realistic prompts, annotate and categorize data, and evaluate AI model responses for accuracy, reasoning, and user intent. My duties include rubric-based grading of AI outputs, application of predefined taxonomies, and consistently flagging dataset inconsistencies. I contribute to the overall reliability, safety, and performance improvement of AI systems through structured annotation work. • Write prompts and responses covering general topics for text-based AI training • Evaluate and compare AI-generated outputs using rubrics and guidelines • Annotate large volumes of text and other data types according to detailed instructions • Identify ambiguities and errors, ensuring quality and consistency across datasets.

As an AI Trainer and Evaluator Generalist Expert at Mercor, I write realistic prompts, annotate and categorize data, and evaluate AI model responses for accuracy, reasoning, and user intent. My duties include rubric-based grading of AI outputs, application of predefined taxonomies, and consistently flagging dataset inconsistencies. I contribute to the overall reliability, safety, and performance improvement of AI systems through structured annotation work. • Write prompts and responses covering general topics for text-based AI training • Evaluate and compare AI-generated outputs using rubrics and guidelines • Annotate large volumes of text and other data types according to detailed instructions • Identify ambiguities and errors, ensuring quality and consistency across datasets.

2026 - Present

Education

Work History