For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
C

Charles Kingangi

AI Trainer & Data Annotator

KENYA flag
nairobi, Kenya
$10.00/hrIntermediateOtherGoogle Cloud Vertex AI

Key Skills

Software

Other
Google Cloud Vertex AIGoogle Cloud Vertex AI

Top Subject Matter

Large Language Model Evaluation and RLHF

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

RLHF

Freelancer Overview

AI Trainer & Data Annotator. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, University (2024). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglish

Labeling Experience

AI Trainer & Data Annotator

OtherTextRLHF
Worked as an AI Trainer & Data Annotator evaluating large language model outputs for quality and safety. Performed annotation and preference ranking on tasks such as question answering, summarisation, and instruction following. Contributed to reinforcement learning pipelines by labelling AI-generated responses and flagging policy-violating content. • Ensured consistently high annotation quality by adhering to detailed labelling guidelines. • Ranked and classified responses based on accuracy, helpfulness, safety, and tone. • Flagged harmful or biased outputs to support safety reviews. • Provided human feedback for reinforcement learning (RLHF) systems.

Worked as an AI Trainer & Data Annotator evaluating large language model outputs for quality and safety. Performed annotation and preference ranking on tasks such as question answering, summarisation, and instruction following. Contributed to reinforcement learning pipelines by labelling AI-generated responses and flagging policy-violating content. • Ensured consistently high annotation quality by adhering to detailed labelling guidelines. • Ranked and classified responses based on accuracy, helpfulness, safety, and tone. • Flagged harmful or biased outputs to support safety reviews. • Provided human feedback for reinforcement learning (RLHF) systems.

2024 - Present

Education

U

University of nairobi

Bachelor of Science, Computer Science

Bachelor of Science
2024 - 2026

Work History

1

1 year practical experience in LLM feedback and data annotation

AI Training

Nairobi
2024 - Present