Match payments to invoices by memo and amountCodingA billing system has to match incoming payments to open invoices. Both arrive as comma-separated strings. - Invoice: invoiceid,amount,duedate. The amount is an integer in cents…
Last asked Sep 2026
#matching
+3Design UberSystem designRiders request trips, nearby drivers get matched, and both see live location until drop-off, with pricing and payment, for millions of trips a day.Last asked Sep 2026
Design a project-to-contractor matching systemSystem designDesign a system that matches projects needing work done with contractors who can do it: how projects and contractor profiles are stored and indexed, how candidates are found and…Last asked Aug 2026
Design a shared-ride matching serviceSystem designDesign the service that matches riders into shared rides and runs those trips: taking requests, deciding which riders share a vehicle, planning pickups and drop-offs along the…Last asked Aug 2026
Match tagged problems to skilled programmers at scaleSystem designProblems carry tags and programmers have skills. Design a service that matches each new problem to programmers who are good at its tags, at large scale. Cover the data model, the…Last asked Jun 2026- Match people to questions using tags and prioritiesCodingPeople have skill tags and questions have tags and priorities. Assign questions to people so each question goes to someone whose tags fit, higher-priority questions are served…Last asked Dec 2025