#pipelines

9 pipelines interview questions, asked at Google, Abridge, Amazon and 5 more companies. Last asked Oct 2026.

AI-agent security detection over streaming telemetryAI system designDesign a system in which an AI agent reads a stream of security telemetry and runs detections on it. About 1 TB of data arrives per day. It was asked like a traditional system…
Last asked Oct 2026
Design LLM review summaries that resist prompt injection and PII leaksAI system designBuild a platform that takes customer product reviews from an online store and has a large language model summarize them for an internal dashboard. The round centered on trust and…
Last asked Oct 2026
Design a pipeline that distills reusable agent skillsAI system designEnterprise customers run AI agents on their own tasks. Design a pipeline that automatically extracts reusable skills from that usage: a skill is a named package of instructions…
Last asked Sep 2026
Single-pass cleaning pipeline for a million crawled web documentsCodingA take-home: input is a set of Parquet files with about a million documents crawled from public web pages. Write a Python pipeline that reads the input in a single pass and writes…
Last asked Sep 2026
Design a pipeline around embedding and classification servicesML designYou have two services, one that embeds items and one that classifies them. Design the API and the pipeline that uses them to process incoming data: how requests flow, batching…
Last asked Jul 2026
Design a PDF-to-Markdown inference API (sync and async)AI system designBuild a service that turns PDF files into Markdown out of three existing functions: one that splits a PDF into page images (CPU-heavy), an OCR model that reads a page image or a…
Last asked Apr 2026
Design a secure pipeline for medical audioSystem designDesign the system that takes audio recorded during a doctor's visit, uploads it, processes it (for example transcription and note generation) and stores the results. Patient data…
Last asked Mar 2026
Design data pipelines for a short-video appSystem designDesign the data engineering behind a large short-video app: collecting events from clients, streaming and batch processing, the warehouse and data models that analysts and…
Last asked Jan 2026
Design a street-level imagery ingestion and storage systemSystem designVehicles capture large volumes of street-level photos. Design how the images are uploaded, processed, stored and served: ingestion from the field, metadata such as location and…
Last asked Jan 2026