Field problems
Integration, data and LLM problems modelled on real client work. Each has a brief, the tasks and hints.
[ EASY ]
Map a client's CRM fields to a warehouse schema
A client exports CRM contacts and deals with free-text fields, optional owners and duplicate emails. Design the warehouse tables that will hold them.
Solve →[ MEDIUM ]Make a flaky partner webhook idempotent
A partner delivers order events at least once. Some arrive twice and some out of order. Your handler currently creates duplicate orders.
Solve →[ MEDIUM ]Answer HR policy questions with RAG over 400 PDFs
HR has 400 policy PDFs with overlapping versions. Staff ask questions and need cited answers they can trust.
Solve →[ HARD ]Build an eval harness for a refund-approval agent
An agent approves or escalates refund requests. A wrong approval costs money; a wrong escalation costs time. Build the harness that decides whether a new version can ship.
Solve →