Data Scientist (Masters) - AI Data Trainer

At Alignerr, we partner with the world’s leading AI research teams and labs to build and train cutting‑edge AI models.

• Location: Remote

Alignerr

Data Scientist (Masters) – AI Data Trainer

Hourly Contract

$40–$80 /hour

Remote

10–40 hours/week

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• Develop Complex Problems: Design advanced data science challenges across domains like hyperparameter optimization, Bayesian inference, cross‑validation strategies, and dimensionality reduction.
  
• Author Ground‑Truth Solutions: Create rigorous, step‑by‑step technical solutions including Python/R scripts, SQL queries, and mathematical derivations that serve as "golden responses."
  
• Technical Auditing: Evaluate AI‑generated code (using libraries like scikit‑learn, PyTorch, or TensorFlow), data visualizations, and statistical summaries for technical accuracy and efficiency.
  
• Refine Reasoning: Identify logical fallacies in AI reasoning—such as data leakage, overfitting, or improper handling of imbalanced datasets—and provide structured feedback to improve the model's "thinking" process.
  

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• Advanced Degree: Masters (pursuing or completed) or PhD in Data Science, Statistics, Computer Science, or a quantitative field with a heavy emphasis on data analysis.
  
• Domain Expertise: Strong foundational knowledge in core areas such as supervised/unsupervised learning, deep learning, big data technologies (Spark/Hadoop), or NLP.
  
• Analytical Writing: The ability to communicate highly technical algorithmic concepts and statistical results clearly and concisely in written form.
  
• Attention to Detail: High level of precision when checking code syntax, mathematical notation, and the validity of statistical conclusions.
  
• No AI experience required
  

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• Prior experience with data annotation, data quality, or evaluation systems
  
• Proficiency in production‑level data science workflows (e.g., MLOps, CI/CD for models).
  

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• Excellent compensation with location‑independent flexibility.
  
• Direct engagement with industry‑leading LLMs.
  
• Contractor advantages: high agency, agility, and international reach.
  
• More opportunities for contracting renewals.
  

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• Submit your resume
  
• Complete a short screening
  
• Project matching and onboarding
  

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.