Aleksandr M.

Key Skills

Software

Other

Top Subject Matter

AI training data quality assurance and content evaluation (LLM response assessment)

LLM data labeling and AI output quality assurance

Top Data Types

Text

Top Task Types

No task types listed

Freelancer Overview

Content & Support Specialist (AI training/annotation-focused responsibilities). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor’s Degree, Ukrainian Academy of Foreign Trade. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

Independent Contractor / Data Specialist (data annotation and AI training QA)

OtherText

Assessed and labeled large text datasets to improve machine learning model performance. Performed rigorous quality control on AI-generated content to ensure factual correctness and guideline compliance. • Applied project-specific labeling rules to complex tasks remotely. • Evaluated outputs for factuality while maintaining an accuracy rate above 95%. • Completed productivity targets while sustaining quality in dataset labeling. • Performed continuous QA checks on AI-generated responses.

2023 - Present

Content & Support Specialist (AI training/annotation-focused responsibilities)

OtherText

Provided AI response evaluation and quality control for text-based outputs according to detailed project guidelines. Performed accuracy, safety, and helpfulness assessments to support reliable model behavior. • Followed complex labeling instructions in a fast-paced remote environment. • Conducted fact-checking via cross-referencing and web research. • Maintained high-quality scores and accuracy during large annotation tasks. • Verified factual correctness of AI-generated content through systematic checks.

2021 - 2023

Education

Work History