Dave S.

Key Skills

Software

Label Studio

Remotasks

Scale AI

Tagtog

Toloka

CloudFactory

Top Subject Matter

AI response quality assessment

policy compliance

and factual verification

Top Data Types

Text

Audio

Video

Image

Document

Top Task Types

RLHF

Classification

Transcription

Data Collection

Question Answering

Prompt + Response Writing (SFT)

Freelancer Overview

AI Training Specialist— AI model evaluation & quality assessment. Professional background includes roles such as AI Response Evaluation Specialist (Freelance). Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, University of Nairobi (2021). AI-training focus includes data types such as Text, Audio, and Video and labeling workflows including Evaluation, Rating, and RLHF.

Labeling Experience

AI Training Specialist — AI model evaluation & quality assessment

TextEvaluation/Rating

Evaluated AI-generated responses for factual accuracy, relevance, clarity, and safety according to established quality guidelines. Applied consistent criteria to rank and assess outputs for quality and policy compliance across multiple prompts and scenarios. Documented evaluation outcomes and quality findings to support iterative model and workflow improvements. • Rated responses using evaluation frameworks and rubric-based guidelines • Assessed relevance and clarity for user-facing AI outputs • Checked safety and policy compliance for generated content • Prepared reports on findings and recommended improvements

2025 - 2026

AI Training Specialist (Freelance) — RLHF annotation and feedback

TextRLHF

Performed reinforcement learning from human feedback (RLHF) tasks to enhance language model outputs. Used guideline-based judgments to influence model behavior through structured feedback. Maintained high annotation standards and consistency while interpreting task instructions. • Applied human-judgment criteria for preferred responses • Produced evaluation/ranking outputs aligned with RLHF objectives • Ensured adherence to detailed project guidelines • Supported model improvement through feedback quality assurance

2024 - 2025

AI Training Specialist— content moderation & classification

TextClassification

Moderated and classified content according to platform policies and quality standards. Verified and validated information through comprehensive fact-checking and research. Ensured consistent labeling outcomes by interpreting detailed instructions and following compliance requirements. • Labeled content categories using policy and quality criteria • Conducted fact-checking and research-based verification • Interpreted guideline and policy requirements during labeling • Applied quality assurance procedures to maintain consistency

2024 - 2024

AI Training Specialist — audio data annotation

AudioTranscription

Annotated and labeled audio datasets for machine learning and AI training workflows. Applied task guidelines to produce consistent labels suitable for downstream evaluation and model development. Performed quality assurance steps to ensure accuracy and label consistency. • Labeled audio data following project instructions • Ensured labeled outputs met quality and consistency standards • Supported dataset preparation for AI model training • Completed QA checks to reduce labeling errors

2023 - 2023

AI Training Specialist — video data annotation

VideoData Collection

Annotated and labeled video datasets for machine learning applications. Followed detailed guidelines to maintain consistent labeling across video samples. Performed validation and quality control to ensure reliable dataset outputs. • Labeled video data according to rubric and instructions • Applied quality assurance checks for consistency • Prepared labeled video content for AI training pipelines • Ensured compliance with labeling standards

2022 - 2023

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Education

Work History