Data Scientist; Masters - AI Data Trainer

About The Job

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

• 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 Tensor Flow), 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.

• 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

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

• 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.

• 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.