Susquehanna International Group·Software Engineer

Susquehanna International Group Software Engineer interview experience

No offer

Medium

Neutral

Philadelphia, PAPosted Jan 2026 · Candidate report, summarized by Dataford

A recruiter reached out to me on LinkedIn for a C# software engineer role, and my process started with a recruiter call followed by two live technical Zoom rounds.

The coding was handled through CodeSignal, and it felt a bit unusual: I’d be shown the prompt and then allowed to read it and step away to implement the solution before coming back to walk through it. Across the technical parts, they grilled me with follow-ups focused on optimization and how I’d adapt the approach to different use cases.

In the first technical round, I worked on a movie catalog search-style problem. They started with the data as a list and I had to improve it using hash-map indexing, plus I got follow-ups around caching. The second technical round was tougher and split into

Create a free Dataford account to unlock the full round-by-round breakdown, the questions asked and the outcome.

Read the full report Read the full report

Preparing for this interview?

Susquehanna International Group Software Engineer interview guideThe full process, round by round, with the question bank Practice Software Engineer interview questionsReal questions from this role across companies All Susquehanna International Group interview guidesEvery role we cover at this company