Mandilakhe Z.

Key Skills

Software

Don't disclose

Top Subject Matter

Large language model (LLM) training and evaluation

AI/ML tutoring

LLM conversation data creation

Top Data Types

Text

Document

Top Task Types

Prompt + Response Writing (SFT)

Freelancer Overview

Freelance Machine Learning & AI Trainer at Mindrift. Brings 11+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose. Education includes Artificial Intelligence Safety Skills Certification, Invisible Technologies University (2024) and Higher Certificate in Information Technology Management, Management College of Southern Africa (MANCOSA) (2016). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Prompt + Response Writing (SFT).

Labeling Experience

Freelance Machine Learning & AI Trainer at Mindrift

Don't discloseText

Trained and evaluated AI/ML model reasoning quality and contextual understanding through iterative feedback. Refined outputs to align with quality, safety, and performance standards. Identified failure patterns and edge cases to drive continuous improvement of training data and prompts. • Delivered freelance AI/ML training services focused on accuracy and reasoning • Evaluated outputs for quality, safety, and performance alignment • Provided structured feedback for training pipelines • Analysed edge cases to improve reliability

2024 - 2026

Advanced AI Data Trainer at Invisible Technologies

Don't discloseTextPrompt + Response Writing (SFT)

Designed and generated high-quality training conversations for large language models by acting as both user and AI. Curated and structured diverse data sources to improve comprehension and reasoning accuracy. Evaluated model outputs for safety, factual correctness, bias, and usefulness while stress-testing with edge cases. • Wrote and generated training conversations for LLMs • Curated/structured data sources for better reasoning • Rated/evaluated outputs for safety and factual correctness • Documented failures and recommended pipeline improvements

2023 - 2024

Junior System Administrator - South African Reserve Bank

Text

Worked as a junior system administrator focused on maintaining server reliability, availability, and backup consistency. Monitored system health across the server fleet to ensure scalability and prompt incident response. Supported automation initiatives with in-house tools and assisted with evaluating and implementing new technologies. • Managed server backups, restores, and data consistency checks • Monitored server health and ensured system availability and scalability • Supported automation initiatives using internal tooling • Assisted with research and implementation of new technologies and maintained operational discipline

2013 - 2015

Education

Work History