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Rogers Munyadziwa

CrowdGen | Data Annotator

South Africa flagPotchefstroom, South Africa
$15.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

Large Language Models
Conversational AI

Top Data Types

TextText

Top Task Types

Fine Tuning

Freelancer Overview

CrowdGen | 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 Commerce, North-West University (2025) and Matric, Sinthumule Secondary School (2022). AI-training focus includes data types such as Text and labeling workflows including Fine-tuning.

IntermediateEnglish

Labeling Experience

CrowdGen | Data Annotator

OtherTextFine Tuning
As a Data Annotator at CrowdGen, I executed annotation projects focused on producing high-quality training data for language model fine-tuning. My tasks included large-scale text labeling, prompt-response generation, and rigorous quality assurance workflows. I collaborated with data science teams to refine guidelines and optimize data standards. • Led text data annotation to enhance LLM performance. • Crafted and reviewed instruction-following datasets for conversational AI. • Supported quality assurance by evaluating outputs against gold-standard sets. • Documented process improvements and standardized templates for consistency.

As a Data Annotator at CrowdGen, I executed annotation projects focused on producing high-quality training data for language model fine-tuning. My tasks included large-scale text labeling, prompt-response generation, and rigorous quality assurance workflows. I collaborated with data science teams to refine guidelines and optimize data standards. • Led text data annotation to enhance LLM performance. • Crafted and reviewed instruction-following datasets for conversational AI. • Supported quality assurance by evaluating outputs against gold-standard sets. • Documented process improvements and standardized templates for consistency.

2025 - 2025

Education

N

North-West University

Bachelor of Commerce, Commerce

Bachelor of Commerce
2022 - 2025
S

Sinthumule Secondary School

Matric, General Studies

Matric
2021 - 2022

Work History

N

North-West University

Peer Tutor

Potchefstroom
2023 - 2024