English Language and Literature Expert

Official role description

Mercor is seeking experienced English Linguistic Experts to join a cutting-edge AI research project in partnership with a leading research lab. This role centers on evaluating how effectively a large language model (LLM) performs in English-language tasks and on curating high-quality English linguistic data to train and improve the model’s understanding and generation capabilities. • * *

Key Responsibilities: • Evaluate the quality and accuracy of LLM-generated English text across various use cases (e.g., summarization, dialogue, grammar correction, rewriting, and reasoning). • Edit, refine, or rewrite English content to meet high linguistic, stylistic, and cultural standards. • Annotate English text for grammatical, syntactic, semantic, and stylistic features. • Identify model errors, inconsistencies, and language gaps, and provide feedback to improve LLM performance. • Provide detailed linguistic feedback and analysis to guide ongoing model training efforts. • * *

You’re a strong fit if you have: • Native or near-native fluency in English, with an excellent command of grammar, syntax, vocabulary, and stylistics. • Professional experience in editing, proofreading, writing, linguistic annotation, language evaluation, or NLP data work in English. • Strong understanding of linguistic nuances, regional variations, tone, and context-appropriate English usage. • Excellent ability to identify subtle grammatical errors, awkward phrasing, ambiguity, and unnatural language. • Interest in AI and LLM-driven language technologies is preferred but not required. • Strong attention to detail, analytical judgment, and written communication skills. • Ability to work independently in a distributed, remote environment. • * *

Why Join • Contribute to cutting-edge AI research in partnership with a leading research lab. • Work on high-impact projects that directly support the development of advanced AI systems. • Gain hands-on exposure to state-of-the-art AI research and development. • Work fully remotely with flexible, asynchronous hours. • Join a fast-moving project where your expertise and judgment can have a meaningful impact.