Rahmatullah A.

Key Skills

Software

Scale AI

Other

Top Subject Matter

AI/LLM prompt evaluation and quality rating

Speech-to-text transcription for AI training

Computer vision dataset annotation

Top Data Types

Text

Audio

Image

Top Task Types

Transcription

Classification

Fine-tuning

RLHF

Freelancer Overview

AI Data Specialist (Prompt Evaluator) — Freelance/Remote AI Projects (Scale AI, Remotasks, Appen & similar). Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Scale AI and Other. Education includes Bachelor of Science, University of Ilorin (2021) and Secondary School Education, International School Ibadan, University of Ibadan (2021). AI-training focus includes data types such as Text, Audio, and Image and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

AI Data Specialist (RLHF Contributor) — Freelance/Remote AI Projects (Scale AI, Remotasks, Appen & similar)

OtherTextRLHF

Contributed to Reinforcement Learning from Human Feedback (RLHF) pipelines by ranking and rating model responses. Evaluated response quality to support alignment with desired behavior. Helped improve model outputs by enabling preference-based training signals. • Ranked competing model responses by quality • Rated responses for alignment and usefulness • Supported RLHF preference data generation • Provided judgments used in training and iteration

2024 - Present

AI Data Specialist (Text Annotation) — Freelance/Remote AI Projects (Scale AI, Remotasks, Appen & similar)

OtherTextFine-tuning

Contributed to AI training by annotating text datasets used to improve machine learning models. Delivered labeled examples and trainer feedback to support model learning and iteration. Helped ensure training data quality for downstream performance improvements. • Annotated text data for supervised learning • Supplied trainer feedback on labeling quality • Supported iterative refinement of training datasets • Contributed to improved model performance through labeling

2024 - Present

AI Data Specialist (Image Annotation) — Freelance/Remote AI Projects (Scale AI, Remotasks, Appen & similar)

OtherImageClassification

Performed AI data annotation on image datasets to train and improve machine learning models. Generated high-quality labeled data intended to support model learning and evaluation. Focused on producing labels that improved predictive performance over iterative cycles. • Annotated images for model training • Produced consistent, high-quality labels • Supported model learning with labeled examples • Participated in iteration based on feedback

2024 - Present

AI Data Specialist (Audio Transcription) — Freelance/Remote AI Projects (Scale AI, Remotasks, Appen & similar)

OtherAudioTranscription

Completed audio transcription tasks by converting spoken audio into accurate text. Worked across multiple accents and domains to ensure reliable speech-to-text outputs. Ensured transcriptions captured content faithfully for downstream training and evaluation. • Transcribed spoken audio to text • Handled diverse accents and speaking styles • Verified transcription accuracy and completeness • Prepared outputs suitable for model training pipelines

2024 - Present

AI Data Specialist (Prompt Evaluator) — Freelance/Remote AI Projects (Scale AI, Remotasks, Appen & similar)

Scale AIText

Performed prompt and response evaluations for AI-generated outputs, assessing accuracy, tone, safety, and instruction-following. Provided structured feedback to improve response quality and alignment. Supported continuous improvement through iterative review of model behavior. • Evaluated prompt + response pairs for quality and compliance • Assessed safety and adherence to instructions • Rated outputs for consistency with expected behavior • Reported issues to guide model iteration

2024 - Present

Education

Work History