Type · algorithmic
Given a stream of financial transactions, design an algorithm to detect fraudulent activity in real-time. You need to consider efficiency and accuracy. What data structures would you use and why?
How to Pass the Aveni Software Engineer Interview in 2026
Growth · Software Engineer Interview Guide
Sign up to see ATSHeadquartered in United KingdomInterview language: English
The Aveni DNA (TL;DR)
The technical assessment at Aveni frequently probes for practical application within Financial Services, especially regarding `Compliance Automation`. They highly value individuals who articulate how their contributions directly enhance `Aveni Assist` or `Aveni Detect`, showcasing a clear understanding of fintech challenges.
The Aveni 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 problems, reasoning about defects, 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 Aveni interview outcomes, avoid these common traps:
- Failing to mention how the integration handled data quality issues or edge cases
- Not addressing data ingestion bottlenecks from multiple exchanges.
- Generic answer not tailored to Aveni or fintech.
- Not robustly handling missing or malformed trade data.
Test Yourself: Real Aveni Questions
Three real prompts pulled from our database.
Type · motivation
What interests you about Aveni's mission in the fintech space, and how do you see your skills contributing to our growth?
Type · ownership
STARTell me about a time you encountered a significant technical challenge on a project. How did you take ownership of the problem, and what was the outcome?
+ many more questions, signals, and worked examples
Sign up to unlock the full Aveni grading rubric
Aveni Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 11 questions shown
1
Recruiter Screen
1- 1
Type · motivation
What interests you about Aveni's mission in the fintech space, and how do you see your skills contributing to our growth?
2
Coding Screen
2- 2
Type · algorithmic
Given a stream of financial transactions, design an algorithm to detect fraudulent activity in real-time. You need to consider efficiency and accuracy. What data structures would you use and why? - 3
Type · algorithmic
Implement a function that takes a list of stock prices for a given day and returns the maximum profit that could have been made by buying and selling a single share. Assume you must buy before you sell.
3
System Design
3- 4
Type · architecture
Design a system to process and store real-time market data feeds from multiple exchanges. Consider scalability, fault tolerance, and data consistency. - 5
Type · architecture
Design an API for a microservice that handles user authentication and authorization for a fintech application. Consider security, performance, and extensibility. - + 1 more questions in this round (sign up to unlock)
4
Onsite Coding
2- 6
Type · algorithmic
Given a list of trades, each with a timestamp, price, and quantity, write a function to calculate the volume-weighted average price (VWAP) over a specified time interval. Handle potential edge cases like missing data or invalid intervals. - 7
Type · debugging
Root Cause Analysis (Issue Tree + 5 Whys)A critical payment processing service is intermittently failing. Here's a simplified log output. Identify the potential root cause(s) and suggest steps to diagnose further.
5
Behavioral / Leadership
3- 8
Type · ownership
STARTell me about a time you encountered a significant technical challenge on a project. How did you take ownership of the problem, and what was the outcome? - 9
Type · collaboration
STARAt Aveni, we often balance the tension between building highly accurate machine learning models for compliance and the latency requirements of real-time customer interactions. Describe a time you had to reconcile competing priorities between product performance and regulatory accuracy requirements. How did you negotiate the technical trade-offs to ensure the final output met both business and compliance standards? - + 1 more questions in this round (sign up to unlock)
Unlock all 11 Aveni questions, free
No credit card. Every question with its framework, the grading signals interviewers score against, and a worked answer for each.
Interview tracks at Aveni
How Aveni's DNA translates across functions. Pick your role.
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Practice Aveni interviews end-to-end
Aveni Mock Interview
Run a live mock interview with our AI interviewer using Aveni-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for Aveni Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Aveni interviewers grade on. Reuse them across every behavioral round.
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Aveni Interview Prep Hub
The frameworks behind every Aveni 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 Aveni interviewers nod instead of frown. Step-by-step playbooks with the moves and the pitfalls.
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Sample answers
What a strong answer to these Aveni interview questions shows.
Given a stream of financial transactions, design an algorithm to detect fraudulent activity in real-time. You need to consider efficiency and accuracy. What data structures would you use and why?
A strong answer shows: Identifies and uses appropriate data structures for real-time analysis (e.g., hash maps, bloom filters, sliding windows).; Discusses time and space complexity in the context of high-volume transactions.; Considers trade-offs in fraud detection accuracy..
What interests you about Aveni's mission in the fintech space, and how do you see your skills contributing to our growth?
A strong answer shows: Genuine interest in fintech and Aveni's specific products.; Articulates a clear connection between their skills and company growth.; Demonstrates research into Aveni..
Frequently asked questions
How long does the Aveni interview process take?
Most candidates spend between 4 and 8 weeks from recruiter screen to offer. The onsite loop itself runs in a single day or is split across two half-days, with debrief and offer typically within 5 business days after.
How should I prepare specifically for Aveni?
Focus on three things: (1) the company DNA shown above - what they actually grade for, (2) the rounds in your loop, especially the round most candidates underestimate, and (3) drilling on the question types in this guide using a structured framework like CIRCLES or STAR.
Does this apply to engineering or design roles at Aveni?
The DNA stays the same - what changes is the round mix. SWE candidates face coding screens instead of Product Sense; designers face portfolio reviews and design exercises. The "what they value" and behavioral signals carry across all functions.
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