Susquehanna interview questions

41 questions13 coding2 system design26 behavioral5 freeUpdated

This is every question in the Susquehanna guide, in one list: 13 coding problems, 2 system designs and 26 behavioral questions, drawn from what candidates report about Susquehanna interviews.

Each row shows the round it comes from and links to the lesson that works through it. 5 are free to read in full. The other 36 are Premium, and here you still see their round, difficulty and topic, so you know what you're walking into.

Susquehanna coding interview questions

13 problems, in the order the guide teaches them. Each lesson gives the full problem, a worked solution and the follow-ups interviewers tend to add.

1Range + Category Lookup Store: Two HashmapsFreeMediumTries & Range Lookups
2Category + Year Range at Scale: Index Once, Binary-Search Each QueryFreeMediumTries & Range Lookups
3Ticker Autocomplete: Prefix Search in a TrieFreeEasyTries & Range Lookups
4Headline Ticker Scan: All Matches in One PassFreeMediumTries & Range Lookups
5Premium medium problemMediumSimulation & OOP Design
6Premium medium problemMediumSimulation & OOP Design
7Premium medium problemMediumSimulation & OOP Design
8Premium medium problemMediumSimulation & OOP Design
9Premium medium problemMediumSimulation & OOP Design
10Premium medium problemMediumSimulation & OOP Design
11Premium medium problemMediumData Structures From Scratch
12Premium medium problemMediumData Structures From Scratch
13Premium medium problemMediumData Structures From Scratch

Susquehanna system design interview questions

2 designs, each worked end to end in its own lesson, from requirements to the architecture and its trade-offs.

#Question
1Design an In-Memory Market-Data StoreFree
2Design a Grocery Checkout System (Premium)

A lock means the design is named here and its walkthrough is Premium.

Susquehanna behavioral interview questions

26 questions, grouped by what the interviewer is testing. The lesson explains why each one gets asked and what a strong answer covers.

Collaboration over the lone genius (5)

All 5 are Premium

Curiosity & questioning assumptions (4)

All 4 are Premium

Individual impact (4)

All 4 are Premium

Dependability & intellectual honesty (5)

All 5 are Premium

Reasoning under uncertainty (4)

All 4 are Premium

Motivation & fit (4)

All 4 are Premium

Read the Susquehanna behavioral questions

See all 41 Susquehanna questions by name

Premium opens the 36 locked questions on this page, each with the full prompt and a worked answer, and every other lesson in all 100 company guides.

Common questions

How many questions are in the Susquehanna interview guide?

41: 13 coding problems, 2 system designs and 26 behavioral questions. The guide was last updated in November 2026.

Which rounds do these Susquehanna interview questions come from?

All 13 coding problems come from the coding rounds. The 2 system designs and 26 behavioral questions come from the system design and behavioral rounds. Every row in the list carries its round, so you can start with the one you have booked.

Which Susquehanna interview questions are free?

5 of the 41 are free to read in full, marked Free in the list. The other 36 come with Premium, which also opens all 100 company guides.