AI Benchmarking Lead, Performance Benchmarking Evaluation

Join our mission-critical team supporting Seller Assistant Amazons Gen-AI powered copilot that helps sellers navigate Amazons complex ecosystem and grow their businesses. As a Quality Assurance Specialist youll play a pivotal role in ensuring the reliability and accuracy of AI model evaluations as we scale from 61% to 90% active seller coverage worldwide.

About Seller Assistant
Seller Assistant is a conversational AI copilot that understands the full context of a sellers business. It intelligently orchestrates backend tools to deliver actionable drilled-down responses and can independently complete complex tasks on behalf of sellers with their permission.
Our Scale and Impact:
- Expanded to 2.44MM sellers (45x growth vs. Dec 2024)
- Currently serving 61% of active sellers worldwide across 9 international stores (CN2XX IN UK DE JP BR MX AE SA)
- Supporting four languages: English Chinese German and Japanese
- 2026 Goal: Scale to 90% active sellers WW with 5 new store launches (France Italy Spain Canada Australia)
As a Quality Assurance Specialist/AI Benchmarking Lead you will benchmark Seller Assistant AI models for relevancy correctness and completeness. Your primary responsibilities include: 1) Evaluate audits performed by the core auditing team to increase confidence in evaluation metrics 2) Improve audit reliability and consistency through systematic measurement of auditor accuracy3) Conduct targeted calibration to ensure quality standards across the auditing function 4) Enforce quality standards by quality-checking audits and providing actionable feedback to team members 5) Drive continuous improvement in audit processes and methodologies.

- You conduct quality checks on audits performed by the core auditing team.
- You identify rubric gaps and evaluation ambiguities that lead to inconsistent audit outcomes.
- You surface high-confidence product issues earlier by validating and categorizing model failures.
- You serve as point of contact for annotation tasks across ML data process areas ensuring quality execution and delivery
- You understand dependencies across ML data workflows and articulate customer impact effectively
- You modify existing annotation methods and update SOPs.
- You document SOP changes secure approval share knowledge with the team and audit adoption and execution
- You test new SOPs and tools providing feedback on quality and improvement recommendations to support onboarding

Key job responsibilities
- You structure data collection analyse results and share inputs for SOP changes.
- You collate track and report progress on key metrics agreed to with respective stakeholders (e.g. Program managers Applied Scientist) specific to your functional area.
- You identify operational issues related to process and tooling and recommend suggestions to improve key project metrics such as productivity and quality.

- Bachelors degree or equivalent
- Bachelors degree or equivalent in a related field
- Experience in natural language data labeling data annotation linguistic annotation or other forms of data markup
- Technical Skills: Proficiency in MS Excel; basic understanding of SQL and Python
- Experience with Microsoft Office products and applications
- Communication Skills: Strong verbal and written communication skills in English
- Knowledge about SOA and process that deal with sellers.

- 1 to 3 years of equivalent experience
- Performed annotation related tasks across ML data process areas.
- Strong knowledge of process documentation analysis knowledge
- Technical proficiency in SQL querying and Python programming for data analysis
- Strong analytical and problem-solving skills
- Ability to work independently and as part of a team

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