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Nenden A.

Data Annotator

Jakarta, Indonesia

Experience

Sep 2025 - Present
4 months

Data Annotator

KUPU ID

  • Annotated and validated video datasets for AI/computer vision training.
  • Ensured labeling accuracy, clarity, and consistency.
  • Collaborated with QA team to refine annotation workflows.
Jul 2025 - Present
6 months

Prompt Engineer & Quality Assurance

HandshakeAI

  • Designed, refined, and tested prompts in AI Studio.
  • Performed QA reviews for response accuracy and fluency.
  • Evaluated AI content to improve alignment and reliability.
Jul 2025 - Present
6 months

AI Expert

NEXTGEN AI

  • Specialized in prompt evaluation, annotation, and model optimization.
  • Enhanced workflows to improve AI outputs and user experience.
Jul 2025 - Present
6 months

Language Data Quality Reviewer

Volga Partners

  • Reviewed linguistic data for clarity, accuracy, and compliance.
  • Delivered structured feedback to enhance model performance.
Jul 2025 - Sep 2025
3 months

Quality Assurance (QA) Analyst

AterQuery

  • Conducted QA checks on annotated datasets to identify errors and inconsistencies.
  • Reviewed AI outputs to ensure compliance with quality standards.
  • Collaborated with annotators and project managers to refine QA workflows.
Mar 2025 - May 2025
3 months
Indonesia

Internship – WH Finish Good Dept

PT SMART Tbk Refinery

  • Hands-on logistics experience in inventory management and documentation.
  • Supported warehouse operations in GBJ.
Mar 2025 - Apr 2025
2 months

Screencopilot V2

Microsoft

  • Evaluated AI responses in Microsoft 365 tools; optimized prompts for contextual accuracy.
Feb 2025 - Present
11 months

Quality Assurance & Annotation Specialist

Invisible

  • Performed annotation across multilingual datasets for AI/ML projects.
  • Conducted QA reviews and provided structured feedback.
  • improved dataset quality and ensured guideline compliance.
Feb 2025 - Apr 2025
3 months

Static_Preference_V2

Meta

  • Conducted pairwise comparisons of AI-generated responses to determine quality preferences.
  • Contributed to instruction clarity and output alignment across multilingual datasets.
  • Ensured prompt-response evaluations adhered to Meta’s LLM performance criteria.
Oct 2024 - Present
1 year 3 months

LLM Annotation & Evaluation Specialist

RWS Group

  • Annotated and compared outputs from LLMs (English & Indonesian).
  • Ensured safer and more effective models via feedback.
Oct 2024 - Nov 2024
2 months

Voice Recording Contributor

Lionbridge

  • Recorded 420 Indonesian sentences with various emotions.
  • Delivered high-quality voice data within deadlines.
Sep 2024 - Feb 2025
6 months

Video Metadata QA

Tiktok

  • Reviewed and validated video descriptions for grammar, clarity, and compliance.
  • Improved metadata quality for better discoverability.
Jul 2024 - Nov 2024
5 months

Data Annotator & Prompt Writer

e2f Inc

  • Evaluated search results and AI responses.
  • Ensured fluency, accuracy, and cultural alignment.
Jul 2023 - May 2025
1 year 11 months

AI Data Annotator & Evaluator

Aligner

  • Annotated and evaluated multilingual AI datasets.
  • Conducted prompt-response testing for clarity and accuracy.
  • Maintained consistency in global annotation standards.
Mar 2023 - Apr 2025
2 years 2 months

AI Data Annotator & Prompt Evaluator

Outlier

  • Performed annotation, labeling, and evaluation for AI/LLM.
  • Created and refined prompts, tested responses, ensured linguistic alignment.
  • Provided structured feedback for fine-tuning.
Mar 2021 - Nov 2024
3 years 9 months

Search Quality Rater

Various client

  • Evaluated search results and AI responses.
  • Ensured fluency, accuracy, and cultural alignment.
Feb 2020 - Aug 2023
3 years 7 months

Data Annotation Specialist

Remotasks

  • Annotated images for computer vision projects.
  • Created and optimized prompts for NLP (Jan – Jul 2023).
  • Ensured dataset quality with QC reviews.

Summary

Multidisciplinary professional with hands-on experience in AI training, data annotation, and logistics systems.

Adept at managing large-scale datasets, optimizing AI prompts, and developing cross-functional projects using Python, JavaScript, and SQL.

Languages

Indonesian
Native
Sundanese
Native
English
Advanced
Korean
Advanced
Chinese
Advanced

Education

Sep 2021 - Sep 2025

Trisakti Institute of Transportation and Logistics

Bachelor of Logistics System · Logistics System · Jakarta, Indonesia · 3.94

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