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David UserDU
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David User

@daviduser83

AI training specialist at Toloka AI who evaluated LLM responses and sustained a 98% quality rating.

United States
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At Handshake AI solution, I evaluated and refined LLM outputs, writing prompts to test model behavior across interactive, visual, and adaptive scenarios.

At Toloka AI, I analyzed search results and AI-generated responses for relevance, clarity, and factual correctness. I sustained a 98% quality rating for consecutive months and identified edge cases that contributed to refining model behavior and guidelines.

I also classified and labeled complex LLM datasets at AI Data Solutions Inc., placing in the top 5% of annotators. Outside that work, I built React projects including CVAI Tailor, a resume tool with LLM integration and a live job-match score.

Experience

Work history, roles, and key accomplishments

HS

AI Research Contractor

Handshake AI Solution

Nov 2025 - Jan 2026 (2 months)

Evaluated and refined large language model outputs, authoring original prompts to test model behavior across interactive, visual, and adaptive scenarios. Benchmarked AI-generated responses and annotated data against quality standards, maintaining high task-acceptance rates as an independent remote contractor.

TA

AI Training Specialist

Toloka AI

Oct 2023 - Nov 2024 (1 year 1 month)

Analyzed search results and AI-produced responses to determine relevance, clarity, and factual correctness across diverse topics. Sustained a 98% quality rating for consecutive months while consistently fulfilling daily productivity requirements.

AI

Senior DataAnnotation Technician

AI Data Solutions Inc.

Jan 2022 - Jun 2023 (1 year 5 months)

Classified and labeled complex datasets for LLMs, focusing on logical reasoning, summarization, and instruction adherence. Placed within the top 5% of annotators based on accuracy, consistency, and overall output productivity.

GS

DataAnnotation Technician

Global Tech Services

May 2021 - Nov 2021 (6 months)

Evaluated and refined large language model outputs, authoring original prompts to test model behavior across interactive, visual, and adaptive scenarios. Benchmarked AI-generated responses and annotated data against quality standards, maintaining high task-acceptance rates as an independent remote contractor.

Education

Degrees, certifications, and relevant coursework

Dallas College logoDC

Dallas College

Associate degree, Software Engineering

Pursuing an Associate degree in Software Engineering, with expected graduation in May 2026.

IO

InfoTechAcademy Online

Pre-Apprenticeship Program (PAP), Technology

Completed a Pre-Apprenticeship Program (PAP) providing job-readiness training for entry-level technology careers.

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