Eva Oppermann

Key Skills

Software

Other

Labelbox

Top Subject Matter

Natural Language Processing (NLP)

Generative AI

Top Data Types

Text

Top Task Types

RLHF

Freelancer Overview

AI Trainer – DataAnnotation. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Labelbox. Education includes Master of Arts, Leibniz University Hannover (2017) and Master of Arts, Justus-Liebig-University Giessen (2015). AI-training focus includes data types such as Text and labeling workflows including RLHF.

Labeling Experience

AI Trainer – DataAnnotation

OtherTextRLHF

As an AI Trainer with DataAnnotation, I was responsible for evaluating and ranking AI-generated responses for quality, accuracy, helpfulness, and safety. My tasks included the quality assessment of large language model outputs in both German and English using defined guidelines. I also contributed to writing and testing prompts to enhance model performance while annotating and classifying training data for NLP and generative AI systems. • Evaluated and ranked AI-generated textual responses (RLHF) • Performed annotation and classification of text-based training data • Wrote and tested prompts to guide LLM improvements • Assessed LLM outputs for accuracy and adherence to guidelines.

As an AI Trainer with DataAnnotation, I was responsible for evaluating and ranking AI-generated responses for quality, accuracy, helpfulness, and safety. My tasks included the quality assessment of large language model outputs in both German and English using defined guidelines. I also contributed to writing and testing prompts to enhance model performance while annotating and classifying training data for NLP and generative AI systems. • Evaluated and ranked AI-generated textual responses (RLHF) • Performed annotation and classification of text-based training data • Wrote and tested prompts to guide LLM improvements • Assessed LLM outputs for accuracy and adherence to guidelines.

2024 - Present

AI Trainer – Alignerr by Labelbox

LabelboxTextRLHF

While working as an AI Trainer for Alignerr by Labelbox, I focused on the evaluation of model outputs for natural language processing tasks. I assessed response quality and language style in accordance with project-specific rubrics. My responsibilities included creating structured feedback to support RLHF-based model optimization workflows. • Evaluated NLP model outputs for quality and style • Created structured feedback for RLHF model optimization • Applied project-specific rubrics for output assessment • Worked with Labelbox for annotation and evaluation tasks.

While working as an AI Trainer for Alignerr by Labelbox, I focused on the evaluation of model outputs for natural language processing tasks. I assessed response quality and language style in accordance with project-specific rubrics. My responsibilities included creating structured feedback to support RLHF-based model optimization workflows. • Evaluated NLP model outputs for quality and style • Created structured feedback for RLHF model optimization • Applied project-specific rubrics for output assessment • Worked with Labelbox for annotation and evaluation tasks.

2025 - 2026

Education

Work History