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I
Illia

Illia

AI Prompt Engineer & LLM Tester

Ukraine flagKyiv, Ukraine
Entry LevelOther

Key Skills

Software

Other

Top Subject Matter

AI reliability
large language models
Financial Compliance & Risk Analysis

Top Data Types

TextText
VideoVideo
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

AI Prompt Engineer & LLM Tester. Brings 18+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Master of Laws, Kyiv University of Law of the National Academy of Sciences of Ukraine (2010) and Certificate in English Language Studies, London School of English, Kyiv Branch (2009). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

Entry Level

Labeling Experience

AI Prompt Engineer & LLM Tester

Text
Tested and evaluated proprietary and open-source Large Language Models for logical limits, biases, hallucinations, and consistency. Designed complex system prompts and structured tasks for evaluating AI reasoning and output quality. Used advanced LLM techniques and multi-model comparisons to ensure accuracy and reliability in AI-generated analysis of trading and technical data. • Performed daily systematic assessment of AI-generated texts and algorithms. • Annotated errors and categorized LLM outputs for statistical and manual review. • Monitored, flagged, and described indicators of AI hallucination and bias. • Applied prompt engineering and hands-on annotation techniques to raw financial and technical data.

Tested and evaluated proprietary and open-source Large Language Models for logical limits, biases, hallucinations, and consistency. Designed complex system prompts and structured tasks for evaluating AI reasoning and output quality. Used advanced LLM techniques and multi-model comparisons to ensure accuracy and reliability in AI-generated analysis of trading and technical data. • Performed daily systematic assessment of AI-generated texts and algorithms. • Annotated errors and categorized LLM outputs for statistical and manual review. • Monitored, flagged, and described indicators of AI hallucination and bias. • Applied prompt engineering and hands-on annotation techniques to raw financial and technical data.

2024 - Present

Copywriter, SEO content agency manager, content annotation specialist

OtherTextClassification
Performed annotation, classification, and structuring of text in SEO, content management, and marketing contexts over multiple years. Executed multi-level categorization, error detection, and content quality enhancement for websites and campaigns. Implemented structured workflows for consistent data labeling and applied analytics for improved content delivery. • Managed rule-based annotation and categorization for SEO-driven projects. • Conducted manual classification of web pages, articles, and marketing materials. • Performed analytical comparison and review of labeled content for quality assurance. • Oversaw team compliance in annotation best practices and content standards.

Performed annotation, classification, and structuring of text in SEO, content management, and marketing contexts over multiple years. Executed multi-level categorization, error detection, and content quality enhancement for websites and campaigns. Implemented structured workflows for consistent data labeling and applied analytics for improved content delivery. • Managed rule-based annotation and categorization for SEO-driven projects. • Conducted manual classification of web pages, articles, and marketing materials. • Performed analytical comparison and review of labeled content for quality assurance. • Oversaw team compliance in annotation best practices and content standards.

2008 - 2019

Education

K

Kyiv University of Law of the National Academy of Sciences of Ukraine

Master of Laws, Legal Support of Business

Master of Laws
2005 - 2010
L

London School of English, Kyiv Branch

Certificate in English Language Studies, English Language

Certificate in English Language Studies
2008 - 2009

Work History

S

Self-Employed

Trader & Market Analyst

Kyiv
2024 - Present
S

Self-Employed

Crypto Industry Researcher & On-Chain Analyst

Kyiv
2023 - 2024