How do I approach Software Engineering Fundamentals interview questions?

Software Engineering Fundamentals questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master software engineering fundamentals interviews.

What difficulty level is this interview question?

This is a hard difficulty Software Engineering Fundamentals question, commonly asked during Onsite rounds at Ramp.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Ramp during technical interviews.

Implement a Clean In-Memory Transaction Ledger

Last updated: Jul 14, 2026

Quick Overview

Build a clean in-memory ledger for deposits, withdrawals, transfers, and balance queries using integer cents. Preserve atomic transfers, reject overdrafts, and make exact request retries idempotent while detecting conflicting transaction IDs.

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Implement a Clean In-Memory Transaction Ledger

Ramp

May 25, 2026, 12:00 AM

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