Alexander Aksel
AI Data Annotation Lead
Salary / Daily rate
Amsterdam, Netherlands
Freelance
Can come onsite
Languages
About me
Intro
AI Data Annotation specialist with 4+ years shaping natural language models through high-quality human feedback and linguistic evaluation. Led annotation teams at DeepLearning.AI, improving LLM accuracy while managing data curation and QA processes. Deliver culturally-aware content evaluation and precise data annotation to enhance your AI model performance.
Work experience
AI Data Annotation Lead
DeepLearning.AI
Aug 2024 - Mar 2025
8 months
Remote, OR 97458, USA
a) Managed annotation tasks for LLMs, including data curation, query generation, and image review. b) Conducted QA for AI responses, improving accuracy and fluency. c) Led onboarding and peer review efforts for new annotators. Led onboarding and peer review efforts for new annotators.
NLP Data Analyst & Task Contributor
Outlier
Jan 2021 - Aug 2024
3 years 8 months
Evaluated and improved AI-generated text responses to enhance chatbot accuracy. Proofread, paraphrased, and refined chatbot-generated conversations for fluency and natural tone. Assessed AI-generated images for compliance with visual quality standards. Collaborated with AI developers to refine annotation guidelines and training methodologies. Provided detailed feedback to improve the accuracy and quality of AI generated responses in customer service and communication platforms.
Education
Radboud University
BSc – Artificial Intelligence
University of Groningen
MSc – Language Technologies and Computational Intelligence