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Chukwueloka O.

Chukwueloka O.

AI Systems Architect & Lead Researcher

South Africa flagJohannesburg, South Africa

Key Skills

Software

No software listed

Top Subject Matter

Strongest Subject Matter Areas & Industries
1. Artificial Intelligence & Deep Learning Infrastructure
Focus Areas: End-to-end LLM
Mixture-of-Experts (MoE) training
deep learning stack optimization

Top Data Types

TextText
AudioAudio
Computer Code ProgrammingComputer Code Programming

Top Task Types

Bounding BoxBounding Box
Entity (NER) ClassificationEntity (NER) Classification
Text GenerationText Generation
Action RecognitionAction Recognition
RLHFRLHF
Fine-tuningFine-tuning

Freelancer Overview

Based on the provided resume, your AI training experience focuses on managing and executing end-to-end machine learning pipelines at Geass Labs. As Founder and Lead Researcher, you have overseen the training of complex architectures, specifically executing code-generation training runs for the Nemotron-Terminal-14B model utilizing the ROCm 7.0 framework. Additionally, you managed the training of five separate Mixture-of-Experts (MoE) models built on Mistral base architectures. This training execution is supported by your hands-on optimization of deep learning stacks and the physical management of a custom-engineered 3kW high-density local research laboratory equipped with advanced GPU clusters, including a 192GB VRAM dual RTX 6000 Blackwell setup.

Labeling Experience

I have extensive experience managing the end-to-end AI training lifecycle, which includes both large-scale compute orche

I have extensive experience managing the end-to-end AI training lifecycle, which includes both large-scale compute orchestration and hands-on, manual data annotation. As a Lead Researcher, I have overseen training runs for the Nemotron-Terminal-14B model utilizing ROCm 7.0 and successfully trained five separate Mixture-of-Experts (MoE) models based on Mistral architectures, supported by a local high-density GPU laboratory. Regarding data curation, I have extensive experience in both manual data labeling and automated dataset filtration. I frequently conduct hands-on, manual annotation to establish high-fidelity, gold-standard seed datasets (specifically for complex code-generation and reasoning tasks) where automated labeling is insufficient. My manual labeling experience includes: Ground Truth Curation: Hand-labeling and sanitizing initial seed datasets of several hundred high-quality prompt-response pairs to serve as the baseline for fine-tuning. RLHF Preference Labeling: Manually evaluating, grading, and labeling model outputs to train reward models and align model behaviors with specific human-preference guidelines. Annotation Taxonomy & Audits: Authoring the physical labeling guidelines and edge-case taxonomies, and conducting manual quality-assurance audits on automated or crowd-sourced labeled outputs to measure inter-annotator agreement and resolve label noise [1]. This combination of hands-on, manual labeling precision and systems-level algorithmic filtration ensures that the training datasets meet the exact quality standards required for production-level LLM performance.

Not specified

Education

N

nil

Degree not specified

Not specified
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Work History

C

Company not specified

Relevant Work Experience to Add Company Name: Geas Labs (PTY) LTD Job Title: Founder and Lead Researcher

Location not specified
2024 - Present