Sasha O.

Key Skills

Software

Labelbox

Mercor

Other

Micro1

Top Subject Matter

Multimodal AI model output evaluation and linguistic annotation (video/audio)

Multimodal dataset annotation and quality control for AI training

Legal Services & Contract Review

Top Data Types

Audio

Image

Text

Video

Document

Top Task Types

Audio Recording

Bounding Box

Evaluation/Rating

Prompt + Response Writing (SFT)

Question Answering

Text Summarization

Transcription

RLHF

Freelancer Overview

AI Linguistic Annotator (Micro1, Contract). Brings 7+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Micro1 and Mercor. Education includes Executive Certificate, Kellogg School of Management — Northwestern University (2021) and Postgraduate Diploma, Humber College (2019). AI-training focus includes data types such as Video and Text and labeling workflows including Evaluation, Rating, and RLHF.

Labeling Experience

AI Linguistic Annotator (Micro1, Contract)

Micro1Video

Provide evaluation and linguistic quality review for multimodal AI outputs, including video diarization and audio captioning tasks. Apply linguistic judgment to assess clarity, accuracy, tone, and contextual relevance, and flag issues that reduce human-likeness and coherence. Support training workflows by delivering structured feedback that improves labeled data quality and downstream model behavior. • Review model-generated content for clarity and accuracy • Evaluate tone and contextual relevance • Provide structured feedback loops to improve performance • Ensure natural, human-like output quality

2026 - Present

AI Digital Annotator (Mercor, Contract)

MercorTextRLHF

Contribute to multimodal AI training projects spanning text, image, and audio data with an emphasis on annotation and output refinement. Evaluate and refine AI-generated responses to improve coherence, accuracy, and usability for training and reinforcement learning workflows. Maintain consistency and precision across large-scale labeling tasks to support model optimization. • Perform data annotation and quality control • Evaluate outputs for coherence and accuracy • Support reinforcement learning processes • Maintain consistent, precise labels across large-scale tasks

2025 - Present

Linguistic AI Training Expert

OtherVideoAudio RecordingTranscription

Reviewed video content alongside AI-generated transcripts to identify errors and inconsistencies. Analyzed speech patterns to refine annotations and improve transcription accuracy, directly supporting the training and performance of advanced AI models.

2025

AI Digital Annotation Expert

MercorTextBounding BoxQuestion Answering

Reviewed and evaluated multimodal content, including audio, images, and video, to support AI training and quality improvement. Compared AI-generated outputs and selected the most accurate or natural results based on defined criteria. Annotated and tagged media to help refine model performance, while consistently following detailed project guidelines to ensure reliable and high-quality outputs. Contributed directly to improving the accuracy and usability of advanced AI systems.

2025 - 2025

Education

Work History