Junior Data Scientist: AI Model Eval & Prompting

Great Value Hiring; United Kingdom; On-site; GBP 155,000 - 207,000; Full time

Job summary

Great Value Hiring is seeking a Junior Data Scientist to evaluate AI model outputs across data science, statistics, ML and quantitative problems. You will contribute by crafting precise prompts, high-quality datasets, and reference solutions that guide model development.

The role emphasizes identifying flawed methodology and statistical errors, and offering structured feedback to improve model capability. Eligible candidates are based in English-speaking countries and possess strong written

Qualifications

• At least one year of experience at a top company (tech, finance, or research) with recent experience
• Based in an English-speaking country
• Clear written communication of technical and statistical concepts

Responsibilities

• Evaluate AI model outputs on data science, statistics, ML, and quantitative problems
• Create expert-level prompts, datasets, and reference solutions
• Identify flawed methodology, statistical errors, and weak quantitative reasoning
• Provide structured feedback that improves model capability

Skills

Clear written communication

Statistical thinking

Data science basics

Tools

ML concepts

Job description

Great Value Hiring is seeking a Junior Data Scientist to evaluate AI model outputs across data science, statistics, ML and quantitative problems. You will contribute by crafting precise prompts, high-quality datasets, and reference solutions that guide model development.

The role emphasizes identifying flawed methodology and statistical errors, and offering structured feedback to improve model capability. Eligible candidates are based in English-speaking countries and possess strong written