Remote AI & ML Engineer for LLM Training

Prolific; United States; Remote; USD 91,000 - 129,000; Full time

Job summary

Prolific is seeking AI & Machine Learning Engineers to join its Expert Network to train and evaluate next-gen LLMs. You’ll perform tasks that pay researchers up to $80/hour, with assignments lasting about an hour or less.

Ideal candidates hold a BS/MS/PhD in CS/AI/Robotics and have hands-on experience with ML production, transformers, and RLHF workflows. Remote, flexible hours, competitive pay, and global opportunities await.

Qualifications

• Education in a quantitative field with ML focus.
• Experience building or deploying ML models in production.
• Deep learning mastery of transformer, CNNs, RNNs.
• Hands-on LLMs tasks: Prompt Engineering, RLHF, or RAG.
• Ability to audit model logic and data quality.
• Attention to detail in detecting hallucinations and biases.

Responsibilities

• Evaluate LLM architecture logic and technical accuracy.
• Audit ML code and notebooks for efficiency and correctness.
• Refine RLHF frameworks with high-quality human feedback.
• Analyze model reasoning and chain-of-thought prompts.
• Benchmark outputs using technical taxonomies and metrics.

Skills

ML engineering

Deep learning

LLM specialization

Prompt engineering

RLHF

RAG workflows

Code audit

Model evaluation

Analytical critique

Mathematical proofs

Education

BS/MS/PhD in CS/AI/Robotics

Tools

PyTorch

TensorFlow/Keras

Python (NumPy, Pandas, Scikit-learn)

Hugging Face Transformers

AWS SageMaker

GCP Vertex AI

Weights & Biases

LangChain

Vector databases (Pinecone/Milvus/Weaviate)

Job description

Prolific is seeking AI & Machine Learning Engineers to join its Expert Network to train and evaluate next-gen LLMs. You’ll perform tasks that pay researchers up to $80/hour, with assignments lasting about an hour or less.

Ideal candidates hold a BS/MS/PhD in CS/AI/Robotics and have hands-on experience with ML production, transformers, and RLHF workflows. Remote, flexible hours, competitive pay, and global opportunities await.