E-commerce Annotation Specialist - AI Trainer

mercor; United States; Remote; USD 55,000 - 69,000; Full time

Job summary

Mercor connects elite creative and technical talent with leading AI research labs. The company is headquartered in San Francisco and seeks a Contract Shopify Shop App Agent Annotator to work remotely in the United States.

The role focuses on evaluating shopper conversations, identifying the turning point of thumbs-down feedback, and tagging issues with primary and secondary domains. You will write concise rationales for labeling decisions, maintain consistency across conversations, and work

Qualifications

• Rule discipline to apply a fixed taxonomy consistently.
• Comfort reading structured traces to understand agent actions.
• Restraint under ambiguity to use the unknown label appropriately.
• Clear, concise written English for explaining labeling decisions.

Responsibilities

• Evaluate full shopper-agent conversations, including tool calls and their outcomes.
• Identify the specific turn that received a thumbs-down from the shopper.
• Classify the issue with a primary domain tag and a specific secondary tag.
• Write concise comments explaining the shopper's intent, the agent's actions, and the rationale for the tags.
• Work independently and asynchronously to maintain consistency in tagging across conversations.

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Position: Shopify Shop App Agent Annotator

Type: Contract

Compensation: $40–$50/hour

Location: Remote

Commitment: ~5 hours/week

Role Responsibilities

• Evaluate full shopper-agent conversations, including tool calls and their outcomes.
• Identify the specific turn that received a thumbs-down from the shopper.
• Classify the issue with a primary domain tag and a specific secondary tag.
• Write concise comments explaining the shopper's intent, the agent's actions, and the rationale for the tags.
• Work independently and asynchronously to maintain consistency in tagging across conversations.

Qualifications Must-Have

• Rule discipline to apply a fixed taxonomy consistently.
• Comfort reading structured traces to understand agent actions.
• Restraint under ambiguity to use the unknown label appropriately.
• Clear, concise written English for explaining labeling decisions.

Preferred

• Consumer e-commerce fluency in orders, tracking, and platform responsibilities.
• Prior annotation, labelling, or model-evaluation work with a defined rubric.
• Experience with the Shop app or other AI shopping assistants.
• Familiarity with customer-support operations and escalation paths.