Jehoshaphat B.

Key Skills

Software

Other

Top Subject Matter

Election observation data / election results labeling

AI prompt evaluation

RLHF feedback

Top Data Types

Text

Document

Top Task Types

RLHF

Data Collection

Freelancer Overview

Data Entry Clerk (Contract) & AI Trainer: Election Results Data Processing. Brings 16+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other and OpenTrain AI. Education includes Higher National Diploma, Kaduna Polytechnic (2019). AI-training focus includes data types such as Text and Document and labeling workflows including RLHF and Data Collection.

Labeling Experience

ICT / Data Support Officer

OtherDocumentData Collection

Managed structured data collection and quality assurance for administrative and staff records, ensuring data integrity and compliance with organizational reporting standards. Cleaned, organized, and validated large datasets using systematic validation and quality-control workflows. Produced weekly and monthly reports that supported accurate record-keeping and oversight. • Reduced data discrepancies through validation and quality-control processes for 300+ staff records. • Generated structured administrative reports for senior management decision support. • Trained junior staff on data entry best practices aligned with guidelines. • Maintained data integrity by troubleshooting and ensuring reliable systems across multiple offices.

2011 - Present

AI Trainer & Data Annotation Specialist (OpenTrain AI Freelancer)

TextRLHF

Delivered AI training and data annotation work focused on prompt evaluation, RLHF feedback, and structured data quality assurance. Evaluated AI responses against quality and safety criteria and provided nuanced human feedback to improve model performance. Applied consistent annotation guidelines to ensure reliable labels across large batches while supporting multilingual Nigerian-language datasets. • Performed prompt evaluation and provided RLHF preference feedback using rubrics. • Labeled and checked intent, sentiment, named entities, factual correctness, and instruction adherence. • Reviewed dataset quality by flagging inconsistencies, biases, and errors per project guidelines. • Supported low-resource languages (English, Hausa, Gbagyi, Pidgin) for African AI training.

Present

Data Entry Clerk (Contract) & AI Trainer: Election Results Data Processing

OtherTextRLHF

Provided RLHF-style preference feedback by comparing AI responses and selecting the most helpful, accurate, and safe outputs using rubric-based evaluation. Retrieved election results, processed them, and ensured verified correctness through cross-verification against source documents. Supported data quality assurance by identifying errors and preventing missed submissions under strict timelines. • Compared AI outputs using a structured rubric and returned preference ratings. • Performed systematic cross-verification of entered data against source documents. • Ensured zero missed submissions and zero data-entry errors within deadlines. • Collaborated with a remote team on high-pressure data processing tasks.

2023 - 2023

Education

Work History