Cheyenne L.

Key Skills

Software

Other

Top Subject Matter

Multimodal generative AI preference ranking and evaluation

Website/app usability testing and QA verification

Data Verification; Database Management; Data Annotation; High-Volume Data Entry; Multimodal AI Training; RLHF; BBox (Bounding Box Annotation); Cross-Modal Alignment; Image-to-text Verification; Preference Ranking; Audio-to-Visual Consistency; Semantic Labeling; Prompt Engineering; Edge Case Identification; Data Scraping; Systematic Comparative Judgment; Ground Truth Creation; Model Alignment; High-throughput Quality Assurance; Bounding Box Annotation; Machine Learning Data Labeling.

Top Data Types

Image

Audio

Video

Text

Document

Top Task Types

RLHF

Transcription

Freelancer Overview

AI Trainer & Evaluator | Mercor. Brings 18+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal, Proprietary Tooling, Data Verification; Database Management; Data Annotation; High-Volume Data Entry; Multimodal AI Training; RLHF; BBox (Bounding Box Annotation); Cross-Modal Alignment; Image-to-text Verification; Preference Ranking; Audio-to-Visual Consistency; Semantic Labeling; Prompt Engineering; Edge Case Identification; Data Scraping; Systematic Comparative Judgment; Ground Truth Creation; Model Alignment; High-throughput Quality Assurance; Bounding Box Annotation; Machine Learning Data Labeling. . Education includes Master of Arts, University of Cambridge and N/A, Harvard University (2022). AI-training focus includes data types such as Image, Audio, and Video and labeling workflows including RLHF, Evaluation, and Rating.

Labeling Experience

Generalist and Writing specialist- AfterQuery

TextQuestion Answering

general writing specialization annotation.

2026 - Present

Intermediate Website & Software Tester | Usertesting LLC

Other

Performed usability and functional evaluations of websites, apps, and software using screen capture and sharing tools. Conducted data verification and usability protocols across multiple operating systems to ensure correct behavior and user experience. Supported iterative improvements through documented testing observations. • Tested websites, apps, and software with screen capture workflows • Executed usability protocols across Windows and Android versions • Conducted data verification activities during QA cycles • Provided feedback on usability and functionality issues for product refinement

2014 - Present

AI Trainer & Evaluator | Mercor

ImageRLHF

Delivered daily preference ranking across hundreds of multimodal AI outputs to improve model alignment and training signals. Applied systematic comparative judgment to score relevance, quality, and coherence of generative responses across image, audio, and video modalities. Maintained accuracy and consistency while following strict guidelines for preference-based reinforcement learning loops. • Ranked multimodal AI outputs (images, audio, video) for daily evaluation workflows • Compared candidate responses using relevance/quality/coherence criteria • Collaborated with cross-functional AI teams to surface quality trends • Used specialized labeling platforms and guidelines to support RLHF training

2025 - 2026

Video Captioner & Transcriptionist | Rev

OtherAudioTranscription

Captioned and transcribed hundreds of hours of media while adhering to strict quality standards. Completed specialized, high-stakes transcription work for legal/correctional facilities with a strong emphasis on data integrity. Delivered accurate written outputs suitable for downstream use cases requiring detailed transcription. • Produced video captions and transcripts with consistent quality control • Performed transcription for California and Ohio correctional facility contexts • Maintained high attention to detail for sensitive/high-stakes recordings • Ensured transcript integrity and compliance with transcription guidelines

2015 - 2020

Education

Work History