Type · api-design

Growth · Software Engineer Interview Guide
How to Pass the Legora Software Engineer Interview in 2026
The Legora DNA (TL;DR)
The Legora Interview Loop
Your onsite loop will typically consist of 5 rounds.
- 1
Round 1
Recruiter ScreenMotivation, role fit, logistics. - 2
Round 2
Coding ScreenLeetCode-medium algorithmic problems under time pressure. - 3
Round 3
System DesignDistributed systems, trade-offs at scale, architecture under constraints. - 4
Round 4
Onsite CodingLeetCode-hard, debugging, code clarity, edge cases. - 5
Round 5
Behavioral / LeadershipPast evidence of ownership, influence, resolving conflict.
The Danger Zone: Top Reasons Candidates Fail
Based on our database of Legora interview outcomes, avoid these common traps:
- Not handling distributed environments correctly if the API is scaled across multiple instances.
- Not considering potential race conditions or error handling in parallel operations.
- Describing a situation where things were already going well.
- Blaming others or presenting a one-sided view.
Test Yourself: Real Legora Questions
Three real prompts pulled from our database.
Type · algorithm
Type · motivation
+ many more questions, signals, and worked examples
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Legora Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 24 questions shown
Recruiter Screen
1- 1
Type · motivation
What interests you about working at Legora, and how do you see your skills contributing to our mission of simplifying SaaS management for growing businesses?
Coding Screen
3- 2
Type · data-structure
Given a stream of user login events for our SaaS platform, design a data structure to efficiently report the number of unique active users in the last 15 minutes. Assume timestamps are integers. - 3
Type · algorithm
Our SaaS platform allows users to create complex workflows. Implement a function to detect cycles in a directed graph representing these workflows. Return true if a cycle exists, false otherwise. - + 1 more questions in this round (sign up to unlock)
System Design
4- 4
Type · api-design
Design the API for a new feature that allows users to set up automated billing rules for their SaaS subscriptions based on usage metrics. Consider idempotency, error handling, and versioning. - 5
Type · scalability
Legora's user base is growing rapidly. Design a system to handle a 10x increase in concurrent users accessing our dashboard, which displays real-time usage analytics. Discuss database choices, caching strategies, and potential bottlenecks. - + 2 more questions in this round (sign up to unlock)
Onsite Coding
3- 6
Type · algorithm
Implement a rate limiter for our API endpoints. The limiter should allow a configurable number of requests per user per time interval (e.g., 100 requests per minute). Consider different algorithms like token bucket or leaky bucket and discuss trade-offs. - 7
Type · debugging
A customer reports that their dashboard is occasionally showing incorrect aggregated usage data. Here's a simplified version of the data aggregation code. Find the bug and explain how you would fix it. - + 1 more questions in this round (sign up to unlock)
Behavioral / Leadership
13- 8
Type · Conflict Resolution
Tell me about a time you had a significant disagreement with an engineer or designer about a product decision. How did you handle it, and what was the outcome? - 9
Type · Ownership
Tell me about a time you took ownership of a problem or project that was outside your direct responsibilities. What was the situation, and what was the outcome? - + 11 more questions in this round (sign up to unlock)
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Interview tracks at Legora
How Legora's DNA translates across functions. Pick your role.
SWEs are assessed on technical depth, designing scalable solutions for Legora's data processing engine, problem-solving, and commitment to code quality. We seek engineers who innovate within our SaaS architecture and contribute to agile development.
api-design
algorithm
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Practice Legora interviews end-to-end
Legora Mock Interview
Run a live mock interview with our AI interviewer using Legora-style prompts. Get scored on structure, signal, and answer length — exactly how the real loop grades you.
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STAR Stories for Legora Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Legora interviewers grade on. Reuse them across every behavioral round.
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Legora Interview Prep Hub
The frameworks behind every Legora round: CIRCLES for product sense, hypothesis-driven debugging for analytical, STAR for behavioral. Learn each one in 10 minutes.
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Interview Frameworks
CIRCLES, STAR, AARRR, RICE, MECE. The exact frameworks that make Legora interviewers nod instead of frown. Step-by-step playbooks with the moves and the pitfalls.
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