Infosys Finacle Software Engineer interview: SQL, coin change, and system design

The interview began with a booking-data SQL problem involving filtering and aggregation, then moved to a coin-change DSA exercise. It also covered dependency injection and a design-flavored RAG-with-images question. Later I got a MySQL system-design and scaling question, so it was not only coding. I had to reason about architecture and tradeoffs. We also covered resume-aligned framework concepts…

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