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Samuel Ikperu

AI Trainer | Micro1

Nigeria flagLagos, Nigeria
$15.00/hrExpertMicro1Mercor

Key Skills

Software

Micro1
MercorMercor

Top Subject Matter

AI Language Model Training
Automatic Speech Recognition (ASR)
Legal Services & Contract Review

Top Data Types

TextText
AudioAudio
VideoVideo

Top Task Types

RLHFRLHF
TranscriptionTranscription
Fine-tuningFine-tuning

Freelancer Overview

AI Model Annotator | SaharaAI. Brings 3+ years of professional experience in AI-training. Focus includes data types such as Text and Audio, and labeling workflows including RLHF and Transcription. Emerged among the Top 700 in the global ranking for the Sahara AI Testnet campaign. AI Trainer| Micro1 AI - Role covers captioning actions in egocentric videos for humanoid robots training, reviewing/editing AI captions for grammar accuracy, and right action sequences.

ExpertEnglishYoruba

Labeling Experience

AI Model Annotator | SaharaAI

TextRLHF
As an AI Model Annotator at SaharaAI, I contributed to model optimization by applying Reinforcement Learning from Human Feedback (RLHF) techniques. My work involved evaluating AI-generated responses for factual accuracy, safety, and coherence to provide detailed performance feedback. I consistently ranked among the top global contributors for high-quality data entries. • Executed structured RLHF-based annotation tasks on the Sahara Testnet. • Assessed model outputs for hallucinations, inappropriate content, and quality. • Provided detailed, actionable feedback to drive improvements in model performance. • Participated in a fast-paced, data-driven environment focused on continuous quality improvement.

As an AI Model Annotator at SaharaAI, I contributed to model optimization by applying Reinforcement Learning from Human Feedback (RLHF) techniques. My work involved evaluating AI-generated responses for factual accuracy, safety, and coherence to provide detailed performance feedback. I consistently ranked among the top global contributors for high-quality data entries. • Executed structured RLHF-based annotation tasks on the Sahara Testnet. • Assessed model outputs for hallucinations, inappropriate content, and quality. • Provided detailed, actionable feedback to drive improvements in model performance. • Participated in a fast-paced, data-driven environment focused on continuous quality improvement.

2024 - 2025

Speech Data Annotator | QA Analyst | Fiverr

OtherAudioTranscription
As a Speech Data Annotator and QA Analyst on Fiverr, I delivered high-fidelity speech-to-text transcription across various English accents and conversation types. My tasks also included running thorough quality assurance on automated transcripts to ensure exceptional data accuracy. The labeled and verified audio data supported the refinement of Automatic Speech Recognition (ASR) models. • Carried out detailed transcription and annotation tasks for ASR datasets. • Identified and corrected pronunciation, phonetic, and grammatical errors in transcripts. • Maintained rigorous accuracy rates exceeding 95% for client deliverables. • Enhanced robustness of speech recognition models through consistent data quality control.

As a Speech Data Annotator and QA Analyst on Fiverr, I delivered high-fidelity speech-to-text transcription across various English accents and conversation types. My tasks also included running thorough quality assurance on automated transcripts to ensure exceptional data accuracy. The labeled and verified audio data supported the refinement of Automatic Speech Recognition (ASR) models. • Carried out detailed transcription and annotation tasks for ASR datasets. • Identified and corrected pronunciation, phonetic, and grammatical errors in transcripts. • Maintained rigorous accuracy rates exceeding 95% for client deliverables. • Enhanced robustness of speech recognition models through consistent data quality control.

2020 - 2020

Education

U

University of Benin

Bachelor of Laws (LL.B), Law

Bachelor of Laws (LL.B)
2014 - 2019

Work History

F

Freelance Technical Writing (Blockchain & Crypto)

Technical Writer

Lagos
2021 - Present
A

Algopulse

Freelance Content Writer

Lagos
2021 - 2022