Marketing Expert

Great Value Hiring; United Kingdom; On-site; GBP 110,208 - 206,640; Full time

Job summary

Great Value Hiring is seeking a Marketing Expert to evaluate how AI systems perform real-world marketing work and to define what excellent work looks like, including grading criteria and detailed written justifications.

The role focuses on designing criteria, scoring samples, and applying consistent, evidence-based judgment, with collaboration from senior reviewers to ensure reproducible results across campaigns.

Qualifications

• 5+ years of professional experience in marketing or advertising.
• Background as a creative director, account lead, or brand strategist at top-tier global agencies or leading consumer brands.
• Strong writing and evaluation of creative briefs, campaigns, brand positioning, and messaging.
• Exceptional written communication with the ability to justify why work meets or misses the brief.
• Detail-oriented with consistent judgment and peer calibration.

Responsibilities

• Design precise, task-specific grading criteria for real-world marketing deliverables (creative briefs, campaigns, decks, brand messaging).
• Score AI-generated and human work samples against those criteria, with detailed written justifications for every score.
• Apply consistent, evidence-based judgment so that scores are reproducible and defensible.
• Incorporate structured feedback from senior reviewers and iterate quickly on your work.

Skills

Creative leadership

Brand strategy

Campaign development

Written communication

Analytical evaluation

Job description

Marketing Expert [80-150/hr]

Experienced marketing professionals to evaluate how well AI systems perform real-world marketing work and define what excellent work looks like: designing task‑specific grading criteria and scoring completed work samples with rigorous, well‑reasoned written justifications.

Role Responsibilities

• Design precise, task‑specific grading criteria for real‑world marketing deliverables (creative briefs, campaign concepts and decks, brand positioning and messaging frameworks, ad copy and scripts, integrated campaign plans, client‑ready presentations)
• Score AI‑generated and human work samples against those criteria, with detailed written justifications for every score
• Apply consistent, evidence‑based judgment so that scores are reproducible and defensible
• Incorporate structured feedback from senior reviewers and iterate quickly on your work

Good Candidature

• 5+ years of professional experience in marketing or advertising
• Background as a creative director, account lead, or brand strategist at top‑tier global creative agencies, or in senior brand marketing roles at leading consumer companies
• Deep fluency in the day‑to‑day craft: writing and evaluating creative briefs, campaign development across channels, brand positioning and messaging, and judging creative work against a brief and a business objective
• Exceptionally strong written communication, with the ability to explain exactly why a piece of work does or does not meet the bar
• Detail‑oriented, consistent, and comfortable having your judgment reviewed and calibrated against peers
• Prior experience with AI training, evaluation, or human‑data projects is a strong plus
• No specialized media‑planning or measurement background is required for this