Ayabonga Zimkhitha N.

Key Skills

Software

Mercor

Top Subject Matter

AI-generated multimedia (social media, entertainment, image, video, audio)

Natural language processing

Llms Domain Expertise

Top Data Types

Audio

Text

Image

Top Task Types

RLHF

Freelancer Overview

Audio Model Trainer. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mercor and Invisible Technologies. Education includes Bachelor of Arts, Nelson Mandela University (2021) and Certificate in Teaching English as a Foreign Language, Teacher Record (2022). AI-training focus includes data types such as Audio and Text and labeling workflows including Evaluation, Rating, and RLHF.

Labeling Experience

Audio Model Trainer

MercorAudio

In this role, I evaluated AI-generated multimedia content, focusing on audio, image, and video outputs for prompt alignment and quality. I performed entity tagging, identifying people, brands, landmarks, and objects in social content to improve model recognition. The work followed strict guidelines to ensure highly consistent annotations for advanced multimodal AI systems. • Assessed accuracy and entertainment value of AI-generated audio, images, and videos. • Compared face swaps and image variations to check for prompt and quality matching. • Tagged entities such as landmarks and brands for training better recognition models. • Maintained annotation consistency according to project standards.

2025 - 2025

Advanced AI Data Trainer

TextRLHF

I crafted and tested written content to evaluate and expand AI model capabilities in diverse topics and styles. This included stress-testing the model with challenging prompts, documenting insights, and collaborating with engineers for rapid improvements. My responsibilities also included leading data annotation and quality control to ensure contextually accurate and user-friendly outputs. • Designed prompts and tested AI responses for writing style and tone. • Stress-tested models to reveal and document weaknesses. • Partnered with engineers for fast feedback loops and improvements. • Oversaw annotation and ensured output quality across projects.

2023 - 2025

Education

Work History