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Onumoh Abubakar

Onumoh Abubakar

Senior LLM Training Engineer / RLHF Specialist (Team Lead)

NIGERIA flag
Oyo, Nigeria
$40.00/hrExpertAws SagemakerAppenCloudfactory

Key Skills

Software

AWS SageMakerAWS SageMaker
AppenAppen
CloudFactoryCloudFactory
Deep SystemsDeep Systems
Google Cloud Vertex AIGoogle Cloud Vertex AI
Micro1
MercorMercor
Label StudioLabel Studio
OpenCV AI Kit (OAK)OpenCV AI Kit (OAK)
Redbrick AIRedbrick AI
Scale AIScale AI
Surge AISurge AI
VoTT

Top Subject Matter

LLM Training
Infrastructure as Code
Cloud Engineering

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

RLHF
Text Generation
Fine Tuning
Transcription
Computer Programming Coding
Data Collection
Prompt Response Writing SFT
Function Calling
Question Answering
Classification
Evaluation Rating

Freelancer Overview

Senior LLM Training Engineer / RLHF Specialist (Team Lead). Brings 7+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Master of Science (AI Specialization), Miva Open University (2024) and Bachelor of Science, University of Ilorin (2020). AI-training focus includes data types such as Computer Code and Programming and labeling workflows including RLHF.

ExpertFrenchEnglish

Labeling Experience

Senior LLM Training Engineer / RLHF Specialist (Team Lead)

RLHF
Led a team to produce RLHF annotations and high-quality training data for LLMs including AWS Nova. Developed structured training datasets, prompt engineering strategies, evaluation frameworks, and annotation guidelines for systematic human feedback and model performance improvement. Conducted extensive code quality reviews, evaluation of AI outputs, and established reproducible, quality-driven standards for AI-generated content. • Created and maintained annotation methodologies for technical domains. • Decomposed IaC workflows into step-based training sequences. • Mentored engineers on best annotation and QA practices. • Generated evaluation benchmarks for LLM output in code, cloud architecture, and deployment scripts.

Led a team to produce RLHF annotations and high-quality training data for LLMs including AWS Nova. Developed structured training datasets, prompt engineering strategies, evaluation frameworks, and annotation guidelines for systematic human feedback and model performance improvement. Conducted extensive code quality reviews, evaluation of AI outputs, and established reproducible, quality-driven standards for AI-generated content. • Created and maintained annotation methodologies for technical domains. • Decomposed IaC workflows into step-based training sequences. • Mentored engineers on best annotation and QA practices. • Generated evaluation benchmarks for LLM output in code, cloud architecture, and deployment scripts.

2025 - 2025

Education

A

ALX

Diploma, Software Engineering

Diploma
2021 - 2021
U

University of Ilorin

Bachelor of Science, Telecommunication Science

Bachelor of Science
2016 - 2020

Work History

I

Inclue Technologies

DevOps Engineer (Team Lead)

Kerala
2025 - Present
T

Turing Enterprises

Senior IaC Engineer (Team Lead)

N/A
2024 - 2025