Isaac K.

Key Skills

Software

Other

Appen

Clickworker

Toloka

Top Subject Matter

Conversational AI model training and validation (technical prose, safety and factuality)

Linguistic data processing

Transcription Domain Expertise

Top Data Types

Text

Audio

Video

Document

Top Task Types

RLHF

Transcription

Classification

Data Collection

Freelancer Overview

Senior AI Data Trainer & Technical Contractor (Prolific, Remote). Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, University of Eastern Africa, Baraton (2024). AI-training focus includes data types such as Text and Audio and labeling workflows including RLHF, Evaluation, and Rating.

Labeling Experience

Senior AI Data Trainer & Technical Contractor (Prolific, Remote)

OtherAudioRLHFTranscription

Evaluated conversational AI model multi-turn outputs for logical constraints, safety thresholds, and factual clarity. Audited and debug domain-specific technical prose and structural reasoning generated by AI systems to improve dataset validation metrics. Performed targeted RLHF to minimize hallucinations in text generation models.• Assessed reasoning consistency against predefined rules and safety criteria• Rated and flagged output quality issues related to factuality and constraint adherence• Supported iterative dataset improvements via validation and error analysis• Applied RLHF-oriented feedback loops to refine model behavior

2022 - Present

Lead Research Analyst & Animal Science Consultant — biological research data capture and compliance auditing (2020 – Present)

OtherDocumentData Collection

Coordinated end-to-end biological research data capture, organizing complex datasets for livestock health metrics, nutrition tracking, and genetic variation. Audited research project metrics to ensure compliance with international biological and quality assurance frameworks. Produced structured documentation translating scientific observations into actionable reports. • Collected and organized biological research variables for dataset integrity• Verified metrics against quality assurance and compliance requirements• Authored technical safety reports, procedural guidelines, and case summaries• Prevented anomalies in dataset modeling through strict logic checks

2020 - Present

Linguistic Data Architect & Virtual Assistant (Global Crowdsourcing Networks)

OtherTextTranscriptionClassification

Managed data classification queues for e-commerce categorization and search relevance/intent analytics. Maintained audited text consistency and accuracy scores above 98% while transcribing high-volume audio files. Produced structured linguistic outputs suitable for downstream AI or cataloging workflows. • Categorized items into relevant e-commerce classes • Evaluated search relevance and intent to improve retrieval quality • Transcribed audio to text with high accuracy and consistency • Supported queue management and labeling quality monitoring

2023 - 2024

Education

Work History