Dávid A.

Key Skills

Software

Scale AI

Labelbox

Top Subject Matter

AI chatbot training and conversational data quality

AI chatbot training and language quality evaluation

Legal Services & Contract Review

Top Data Types

Text

Document

Audio

Top Task Types

Classification

Transcription

Evaluation/Rating

Prompt + Response Writing (SFT)

Text Summarization

Question Answering

Fine-tuning

Object Detection

Freelancer Overview

Upwork Freelancer (AI chatbot training/evaluation, data labelling, and prompt writing) Companies: Scale AI, Alignerr, Outlier.ai, Axcess, Braintrust

Labeling Experience

Freelancer (AI training/chatbot-related evaluation and prompt support)

Text

Freelanced through PJ service s.r.o. focusing on AI-related training activities connected to chatbot development and data/task quality. Contributed to evaluating and improving language quality aspects such as grammar, punctuation, and overall naturalness of generated text. Assisted with prompt-related work to support better AI performance in conversation scenarios. • Response evaluation and rating • Grammar and punctuation correction • Prompt writing support • Quality-focused feedback for model outputs

2024 - Present

AI training Slovak

AudioClassification

Slovak audio evaluation, segmentation and classification. In Alignerr

2025 - 2025

AI trainer

TextEvaluation/Rating

Development of Google Chatbot Bard, which was renamed to Gemini. Complex training and prompt writing in Slovak.

2023 - 2023

Education

Work History