Chika Uchendu

Key Skills

Software

Scale AI

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Computer Code Programming

Geospatial Tiled Imagery

Image

Text

Video

Top Label Types

Action Recognition

Audio Recording

Bounding Box

Classification

Computer Programming Coding

Entity Ner Classification

Evaluation Rating

Fine Tuning

Mapping

Object Detection

Prompt Response Writing SFT

Question Answering

RLHF

Text Generation

Text Summarization

Translation Localization

Freelancer Overview

LLM evaluation and RLHF specialist with production experience within the Scale AI ecosystem (Outlier.ai). Background in data science and quantitative analysis with strong expertise in Python and SQL. Experienced in reasoning evaluation, hallucination detection, structured rubric design, and dataset quality assurance for LLM alignment. Proven ability to independently audit complex model outputs and contribute to fine-tuning and alignment workflows.

Labeling Experience

LLM Evaluation & RLHF Data Annotation

Scale AITextEntity Ner ClassificationClassification

Conducted large-scale annotation and evaluation of language model outputs within the Scale AI ecosystem (Outlier.ai). Assessed responses for reasoning accuracy, hallucination detection, instruction-following, and factual consistency. Applied structured evaluation rubrics to score and rank outputs, generating high-quality feedback used in RLHF pipelines to improve model alignment and dataset quality.

Conducted large-scale annotation and evaluation of language model outputs within the Scale AI ecosystem (Outlier.ai). Assessed responses for reasoning accuracy, hallucination detection, instruction-following, and factual consistency. Applied structured evaluation rubrics to score and rank outputs, generating high-quality feedback used in RLHF pipelines to improve model alignment and dataset quality.

2025

Education

Work History