Model Evaluation Engineer

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Accra, Ghana
Model Evaluation Engineer
Accra, GhanaFull-timeMid to SeniorOn-site
Zof AI is hiring for this role in Accra, Ghana. This is a full-time opportunity for candidates who want to contribute directly to the development of ambitious AI products in a high-performance environment.
Must understand how to measure whether AI systems actually work, beyond demos.
Compensation
GHS 6,500-13,000 / month
Plus meaningful equity

• Plus full living package (housing, meals, equipment, and wellness, where applicable)
  

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About This Role
Zof AI is seeking a Model Evaluation Engineer to build the tests that determine whether AI actually works. Verification is the heart of what Zof AI does, so this role sits close to the core of the product: designing eval suites, verification harnesses, and quality gates that confirm AI systems built the right thing, part QA discipline and part domain judgment. The ideal candidate is skeptical by default, rigorous about measurement, and motivated by turning "it seems to work" into evidence.
Responsibilities

• Design and build eval suites for AI products and agent systems.
• Build verification harnesses that confirm the AI built the right thing.
• Define quality gates that gate what ships and what does not.
• Turn domain expertise and customer requirements into testable checks.
• Hunt failure modes: regressions, hallucinations, and silent errors.
• Make eval results legible to engineers, product, and customers.
• Wire evals into CI and the development loop.
• Raise the standard for what "working" means across the company.
  

Requirements

• Experience testing, evaluating, or QA-ing complex software systems.
• Understanding of how LLM and agent systems fail.
• Strong analytical rigor and skepticism.
• Ability to write code to build harnesses and automation.
• Attention to detail and a high quality bar.
• Clear written and verbal communication.
• Comfort operating in a fast-moving environment.
• High ownership.
  

Nice to have

• Experience building LLM evals, benchmarks, or test infrastructure.
• QA, SDET, or test automation background.
• Domain expertise in a vertical where correctness matters.
• Experience with statistical evaluation methods.
  

EvalsVerificationAI QualityTestingQA
What we provide in Accra

• Housing support or provided housing, where applicable
• Private chef and meals, where applicable
• Laundry and cleaning support
• MacBook Pro
• Premium AI development tools
• Cursor Ultra
• Claude Code Ultra
• OpenAI Codex Max or equivalent advanced AI tooling
• Focused builder environment
• Basketball court
• Table tennis
• Foosball
• Massage and wellness support
• Fitness and wellness support
  

Benefits noted as "where applicable" may depend on role, location, and final offer terms.
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Model Evaluation Engineer
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