Technical Screen

Coding Phone Screen on an IDE Function Signature Matcher

IBMSoftware Engineer · Technical Screen · Sep 2026

The task is to implement an IDE-style function signature lookup engine. It has two core APIs: Register a function (register): store the function name, its list of parameter types, and whether it takes variadic arguments. Query for matches (find_matches): given a list of argument types for a call, return the names of all functions that can be legally called with them. Core interface definition: Th…

Shared by a candidate · reported Sep 2026. Interview formats change; use it as a guide, not a script.