Jan Woszczyk

Highly analytical AI Data Trainer and Content Localizer with over a year of experience evaluating and fine-tuning Large Language Models (LLMs). Proven background in English-to-Polish translation, cultural adaptation, and linguistic quality control. Experienced in executing tasks under strict operational compliance, maintaining exceptional focus during complex workflows, and delivering high-quality bilingual content.

AI Data Trainer & Evaluator at DataAnnotation.tech (2025-05 – Present)

Evaluating and improving the quality of AI-generated content across Polish and English language models. Reviewing bilingual outputs for factual accuracy, linguistic fluidity, and natural translation quality. Identifying machine translation errors, unnatural phrasing, and register mismatches, providing detailed feedback to fine-tune model alignment and performance.

Video Game Presenter at Playtech/Euro Live Technologies (2025-11 – Present)

Deliver professional, high-quality verbal communication in both Polish and English to an international audience. Execute real-time gaming procedures to strict operational compliance frameworks. Maintaining an exceptional level of focus and mental stamina during intensive twelve hours live broadcast shifts.

Freelance Translator & Localizer at Independent Community Projects (2022 – 2024)

Localized highly nuanced English and Japanese creative media text (manga) into contemporary, idiomatic Polish on a pro-bono community basis. Adapted culturally specific jokes, idioms, and metaphors to guarantee maximum naturalness for the target audience while preserving original structural intent.

Certification in Python – freeCodeCamp

High School Diploma – Liceum Ogólnokształcące im. Władysława Reymonta w Rawie Mazowieckiej (2021 – 2025)