10 questions · from 3 interviews
Angel One interview questions
Every question candidates reported from their Angel One interviews, most frequently asked first. Each links to the write-up it came from, so you can see the round and how it went.
Angel One coding and DSA questions
- 01
Longest Increasing Subsequence
Given an integer array nums, return the length of the longest strictly increasing subsequence. Example: Input: nums = [10,9,2,5,3,7,101,18] Output: 4
Medium · From Angel One SDE-2 Interview Experience- Bangalore
- 02
Gas Station Circuit
There are n gas stations along a circular route, where the amount of gas at the ith station is gas[i]. You have a car with an unlimited gas tank, and it costs cost[i] of gas to travel from the ith station to its next (i + 1)th station. You begin the journey…
Medium · From Angel One SDE-2 Interview Experience- Bangalore
- 03
Shortest Bridge (Graph BFS)
Given a 2D grid of 0s (water) and 1s (land) containing exactly two islands (connected groups of 1s), find the smallest number of 0s that must be changed to 1s to connect the two islands. Use BFS starting from one island to reach the other while counting the…
Medium · From AngelOne SDE-2 Interview Exp | Offer
- 04
Koko Eating Bananas
Given an array of banana piles where piles[i] is the number of bananas in the i-th pile, and an integer H representing hours, Koko can eat any integer number of bananas per hour from a single pile. Determine the minimum integer eating speed K (bananas per…
Medium · From Interview Experience — SDE2 Angel one
- 05
Longest Palindromic Substring
Given a string s, return the longest palindromic substring in s.
Medium · From Interview Experience — SDE2 Angel one
- 06
Decode Ways
Given a non‑empty string containing only digits, determine the total number of ways to decode it into letters mapping 1 - A, 2 - B, ..., 26 - Z. For example, "12" can be decoded as "AB" (1 2) or "L" (12).
Medium · From Interview Experience — SDE2 Angel one
Angel One system design questions
- 01
GTT Order System Design
Design the core of a GTT order system for a broking app. A user sets a trigger on a stock, such as: "If RELIANCE falls to ₹2,400 or below, place a limit BUY of 10 shares at ₹2,405." The system watches the live price feed and places the order automatically…
- 02
Design a Payment Service
Design a high‑level architecture for a payment service that handles transactions, communicates with partner banks, processes vendor payment flows, and ensures reliability with retries and failure handling.
- 03
Parking Lot Low‑Level Design
Create a low‑level design for a parking lot system including classes for parking spots, tickets, entry/exit gates, payment handling, and vehicle types.
Angel One other questions
- 01
Books and Authors Store Database Design
Design a relational database schema for a store that sells books, including tables for books, authors, and the many‑to‑many relationship between them, with appropriate keys and indexes.
Angel One interview questions FAQ
What questions are asked in Angel One interviews?
Candidates reported 10 distinct questions across 3 Angel One interviews. 6 coding and DSA questions, 3 system design questions, 1 other questions.
How difficult are Angel One interview questions?
Of the questions candidates rated, 0% were easy, 100% medium and 0% hard.