Mateusz Z.

Key Skills

Freelancer Overview

Mateusz Jakub Zajczyk E-mail: [email protected] | Phone: +48 666 272 454 | Location: Karczew, Poland | LinkedIn Professional Summary Freelance AI evaluation specialist with experience reviewing AI-generated content for accuracy, relevance, consistency, and overall quality in remote task-based environments. Strong background in fact-checking, comparative output assessment, guideline adherence, and detail-oriented quality review, supported by advanced English proficiency and reliable performance in structured digital work. Core Skills  AI content evaluation, response rating, and comparative output review  Fact-checking, content verification, and error identification  Guideline adherence, quality assurance, and structured task execution  Data annotation and text-based review  English – C2 level (EF SET C2 Proficient certificate)  MS Office (Word, Excel, PowerPoint) – ECDL certificate  Office documentation management and digital tools Experience 2021 – present | Freelance AI Training & Evaluation Specialist Remote  Review AI-generated responses for accuracy, relevance, consistency, and overall quality.  Compare alternative model outputs and identify errors, inconsistencies, and weaker responses.  Fact-check generated content using trusted sources.  Complete structured AI training and evaluation tasks in line with project guidelines. 2023 – 2024 | English Language Tutor Tutlo Sp. z o.o. | Remote  Adapted learning materials to individual needs and maintained client com