Citi Software Engineer Interview Questions
Master your tech interview with our curated database of real questions from top companies.
Walk through resume and impact
Behavioral Interview: Resume Walkthrough and Project Deep Dive You are in an onsite Software Engineer interview. Provide a concise, outcome-focused wa...
Explain data structure fundamentals
Explain how a hash map works internally: hashing, collision resolution strategies (separate chaining vs. open addressing), load factor, and resizing. ...
Explain OS and networking basics
Systems Fundamentals Quickfire (Onsite Software Engineer) Answer concisely but precisely. Use diagrams or bullets if it helps. 1) Processes, Threads, ...
Solve two logic brain teasers
Two Classic Logic/Optimization Puzzles Puzzle 1: Heavier Ball with a Balance Scale You have 12 visually identical balls. Exactly one ball is heavier t...
Implement bidirectional Dijkstra for shortest paths
Given a directed or undirected graph with non‑negative edge weights, design and implement bidirectional Dijkstra (“double Dijkstra”) to find the short...