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-AI Data Annotation & Rubric Development

Freelancer
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Berlin, Germany

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Experience

AI Data Annotation & Rubric Development

Position summary
AI Data Annotation & Rubric Development
Industries
Information Technology
Business areas
Information Technology
Quality Assurance
  • Annotated datasets for machine-learning applications, ensuring accuracy, consistency, and full adherence to detailed guidelines
  • Created custom evaluation rubrics for AI training data, improving labeling quality and standardization
  • Categorized and evaluated data according to project-specific rules while working directly with AI systems
  • Conducted quality reviews and provided feedback to refine AI model performance

University Research Papers & Essays

Position summary
University Research Papers & Essays
Industries
Education
Business areas
Research and Development
  • Conducted extensive research and in-depth analysis of historical and cultural texts in German, English, and Arabic
  • Produced structured, clear, and well-documented written reports demonstrating strong attention to detail and analytical precision

Summary

German native speaker with native-level Arabic and fluent English. Strong analytical and writing skills with extensive experience in research, precise documentation, high-accuracy data annotation, and AI-related tasks. Proven expertise in creating evaluation rubrics, analyzing complex texts, applying structured guidelines, and delivering consistent, high-quality results for machine-learning projects.

Skills

  • Research & Analysis: Academic Experience In Analyzing Complex Historical, Cultural, And Literary Texts; Research Methodology; Textual Interpretation And Translation (German, English, Arabic)
  • Ai Data Annotation & Labeling: Practical Experience Annotating Datasets For Machine-Learning Applications; Applying Task-Specific Guidelines With High Accuracy And Consistency
  • Rubric Development & Ai Workflows: Prior Experience Creating Evaluation Rubrics And Working Directly With Ai Systems For Data Quality Assessment And Model Training Support
  • Writing & Editing: Advanced German Writing Skills; Experience Structuring, Refining, And Editing Academic And Technical Texts
  • Attention To Detail: Reviewing And Evaluating Content For Relevance, Correctness, Quality, And Cultural Nuance
  • Technical Literacy: Comfortable Navigating Online Annotation Platforms, Following Structured Workflows, And Adapting Quickly To New Tools

Languages

Arabic
Advanced
German
Advanced
English
Advanced

Education

Freie Universität Berlin

Bachelor · History & Culture of the Near East (Arabistik) · Berlin, Germany

Statistics

Experience

Total positions 2

Qualifications

Highest degree Bachelor

Profile

Member since
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is based in Berlin, Germany.

speaks the following languages: Arabic (Advanced), German (Advanced), English (Advanced).

Based on recent experience, would be well-suited for roles such as: AI Data Annotation & Rubric Development, University Research Papers & Essays.

's most recent position is AI Data Annotation & Rubric Development.

holds a Bachelor in History & Culture of the Near East (Arabistik) from Freie Universität Berlin.

The availability of needs to be confirmed.

Daily rate distribution

0 2 4 6 8
3 of the freelancers charge less than €800 per day.
4 of the freelancers charge between €800 and €1200 per day.
One of the freelancers charges between €1200 and €1600 per day.
2 of the freelancers charge €1600 or more per day.
<€800 €800-​1200 €1200-​1600 €1600+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

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Daily rate avg. 1006 €

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Median rate 1000 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 16 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.