Airtable Software Engineer Interview Questions
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Count business days excluding holidays
Problem: Count Working Days Between Two Dates Given a start date, an end date (inclusive), and a set of holiday dates, compute the number of working d...
Implement undo/redo with two stacks
Problem: Undo/Redo for a Simple Text Editor Design a data structure that simulates a very small text editor with undo and redo. You are given a sequen...
Design an async API with idempotency
System Design: Asynchronous API Call With Idempotency Design an HTTP API that triggers a long-running operation (seconds to minutes) against downstrea...
Design a scalable search service with sharding
Technical Design: Search + Sharding Trade-offs Design a search service that lets users query documents/products with keywords. Functional requirements...
Explain how to make robust HTTP API calls
SWE Fundamentals: Making Robust HTTP Calls (Client/Service) You need to integrate with an external HTTP API (could be an internal microservice or a th...
Design NL-to-Formula assistant for Airtable
Scenario You are given: - An Airtable API key and a link/base/table you can read/write. - An LLM API key (e.g., Claude) that you can call. Users type ...
Implement spreadsheet undo/redo operations
Problem Design a data structure that simulates Undo/Redo for a simplified spreadsheet editor. A user performs a sequence of operations on cells. Each ...
Design a lazy-initialized connection pool
Implement a Lazily Initialized, Thread-Safe Connection Pool Context You are given an immutable base class Connection with the following methods: - que...
Design JSON serialization for circular references
Design a JSON Serialization/Deserialization Strategy With Cycles and Determinism You are designing a JSON-based serializer/deserializer for a graph of...
Implement BFS serializer and deserializer
Implement two functions, serialize(obj) -> representation and deserialize(representation) -> obj, for a Python object graph containing str, int, and d...
Design a lazy ConnectionPool
Thread-Safe, Lazily Initialized Connection Pool Context You need to design a thread-safe connection pool in Python that lazily creates connections and...
Design an NL-to-formula assistant
ML system design: Natural-language to spreadsheet formula assistant Design an assistant that converts natural language requests into spreadsheet-style...
Optimize a dispatcher’s scheduling data structures
Algorithmic analysis / code review: Dispatcher for memory-constrained scheduling You are given a single-threaded in-memory dispatcher that reacts to t...
Describe an inclusive action you took
Inclusive culture behavioral question Your company strongly values an inclusive (inclusive culture) workplace. Prompt: Describe a time you took a conc...