Audio Data Annotator / Speech Transcriptionist at Alignerr

Transcribed and annotated human-AI dialogue audio with precise time-aligned word tokens; flagged and categorized speech events; ensured high-quality data accuracy for training and evaluation of speech recognition models.

AI Prompt Writer & Response Evaluator at Outlier AI

Wrote and reviewed prompts to support large language model training; evaluated AI model outputs for factual accuracy, tone, and clarity; completed urgent annotation and review tasks under tight deadlines.

AI Prompt Writer & Response Evaluator at DataAnnotation.tech

Created and refined text prompts for training large language models; evaluated and rated AI responses for quality, accuracy, and clarity; provided feedback to improve model performance and alignment.

Production Worker / Line Supervisor at HARTMANN-RICO a.s.

Managed materials and order assembly on a fast-paced production line; supervised ~15 operators and ensured order accuracy; recorded and tracked data using scanners and computer systems; maintained workflow efficiency and coordinated material orders.

Telephone Operator at Atento Česká Republika

Assisted clients via active and passive phone lines; handled customer inquiries and maintained professional service standards.

Data Coordinator at Datainformation

Coordinated data collection and transcription processes for various projects, ensuring accuracy and timeliness in deliverables.

Team Assistant at Czech Republic Data Services

Assisted in managing team operations, including scheduling meetings, and supporting data processing tasks.

Audio Transcription QA / Transcriptionist at Aligned (Appen), Remote

Quality evaluation of pre-transcribed files, checking proper segmentation and tagging; transcribing, segmenting and tagging multi-speaker audio files from scratch.

Audio Transcriptionist at Xdairs (Uber), Remote

Transcription of audio content; maintaining accuracy across rapid-turnaround tasks.

Audio Transcriptionist at Alignerr, Remote

Transcribing, segmenting and tagging multi-speaker audio files from scratch.

Prompt Writer / Reviewer at Outlier | Data Annotation, Remote

Creating creative prompts and rubrics according to provided guidelines; giving feedback on already made prompts, fact-checking and reviewing model responses.

Production Line Worker / Production Line Supervisor at Hartmann-Rico a.s., Veverská Bítýška, Czech Republic

Leading a small team in a fast-paced environment; managing workflow, achieving daily targets, ensuring material availability, and coordinating orders according to customer needs.