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Ntombikayise Mkabela

Ntombikayise Mkabela

AI Strategy & Data Specialist

South Africa flagJohannesburg, South Africa
$15.00/hrIntermediateOtherAws SagemakerArgilla

Key Skills

Software

Other
AWS SageMakerAWS SageMaker
ArgillaArgilla
Axiom AI
ClickworkerClickworker
HiveMindHiveMind
Mighty AIMighty AI
RoboflowRoboflow
RemotasksRemotasks
SamaSama
Scale AIScale AI
Surge AISurge AI
TagtogTagtog
TolokaToloka
V7 LabsV7 Labs

Top Subject Matter

Financial Compliance & Risk Analysis
Business Domain Expertise
Corporate Governance

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

RLHFRLHF
Question AnsweringQuestion Answering
Text SummarizationText Summarization
Fine-tuningFine-tuning
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Text GenerationText Generation
Red TeamingRed Teaming
Computer Programming/CodingComputer Programming/Coding
PolylinePolyline
CuboidCuboid
Object DetectionObject Detection
Data CollectionData Collection
ClassificationClassification
PolygonPolygon
SegmentationSegmentation
Point/Key PointPoint/Key Point
Bounding BoxBounding Box
Entity (NER) ClassificationEntity (NER) Classification
Function CallingFunction Calling
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

AI Strategy & Data Specialist. Brings 11+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Certified Director, Institute of Directors in South Africa (IoDSA) (2024) and Professional Certificate, HarvardX University (2025). AI-training focus includes data types such as Text and labeling workflows including RLHF.

IntermediateEnglish

Labeling Experience

AI Strategy & Data Specialist

TextRLHF
As an AI Strategy & Data Specialist at RWS Group, I rated and annotated large language model outputs focused on financial and business logic. My tasks included detailed evaluation of model-generated responses, quality assurance through RLHF, and categorization of complex enterprise datasets. I optimized data accuracy for AI applications in business and finance. • Performed rigorous RLHF and output evaluation tasks • Focused on financial, business, and corporate governance logic • Reduced hallucinations and improved factual integrity • Utilized internal/proprietary and annotation tools

As an AI Strategy & Data Specialist at RWS Group, I rated and annotated large language model outputs focused on financial and business logic. My tasks included detailed evaluation of model-generated responses, quality assurance through RLHF, and categorization of complex enterprise datasets. I optimized data accuracy for AI applications in business and finance. • Performed rigorous RLHF and output evaluation tasks • Focused on financial, business, and corporate governance logic • Reduced hallucinations and improved factual integrity • Utilized internal/proprietary and annotation tools

2025 - Present

Senior Deal Manager – Mining & Global Commodity Finance (AI Model Evaluation Functions)

TextRLHF
At Nedbank Limited, I engaged in AI model output evaluation and annotation, focusing on logical consistency and financial fact-checking for LLMs. My work emphasized reinforcement learning from human feedback to enhance financial reporting reliability. I contributed to categorizing datasets and reviewing financial forecasts for enterprise-level AI. • Rated and annotated large language model outputs in finance • Enhanced factual integrity with RLHF tasks • Categorized and optimized complex financial datasets • Used internal/proprietary tools for labeling and QA purposes

At Nedbank Limited, I engaged in AI model output evaluation and annotation, focusing on logical consistency and financial fact-checking for LLMs. My work emphasized reinforcement learning from human feedback to enhance financial reporting reliability. I contributed to categorizing datasets and reviewing financial forecasts for enterprise-level AI. • Rated and annotated large language model outputs in finance • Enhanced factual integrity with RLHF tasks • Categorized and optimized complex financial datasets • Used internal/proprietary tools for labeling and QA purposes

2023 - 2025

Education

M

Monash University (IIE)

Master of International Business, International Business

Master of International Business
2021 - 2021
U

University of Pretoria / University of Cape Town / University of Johannesburg

Bachelor of Commerce, Financial Management

Bachelor of Commerce
2013 - 2016

Work History

W

Wells of Value Foundation

Non-Executive Director

Johannesburg
2025 - Present
G

Gods1op International

Non-Executive Director

Johannesburg
2022 - Present