Type · algorithm
Given a list of trade execution timestamps, find the maximum number of overlapping trades occurring at any given time.
How to Pass the DEGIRO Software Engineer Interview in 2026
The DEGIRO Software Engineer interview runs 5 rounds: Recruiter Screen, Coding Screen, System Design, Onsite Coding, and Behavioral / Leadership. JobMentis holds 12 Software Engineer questions for DEGIRO, last updated November 10, 2026.
Enterprise · Software Engineer Interview Guide
Sign up to see ATSHeadquartered in NetherlandsInterview language: English
Expect to code inJava
The DEGIRO DNA (TL;DR)
DEGIRO's Pan European trading infrastructure requires engineers to design for high-throughput order routing. The loop grades your ability to maintain their 'Best Broker' status by balancing low-latency execution with strict regulatory compliance across multiple jurisdictions.
The DEGIRO 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 DEGIRO interview outcomes, avoid these common traps:
- Using O(n^2) brute force
- Sorting the window every time a new price arrives
- Failing to mention specific interest in high-frequency trading or market infrastructure
- Adding a global lock that kills performance
Test Yourself: DEGIRO Interview Questions
Three questions from the DEGIRO bank.
Type · architecture
How would you design a real-time price feed system that pushes updates to millions of connected mobile clients?
Type · conflict
STARTell me about a time you disagreed with a senior engineer on an architectural decision. How did you resolve it?
+ many more questions, signals, and worked examples
Sign up to unlock the full DEGIRO grading rubric
DEGIRO Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 12 questions shown
1
Recruiter Screen
1- 1
Type · motivation
Why do you want to work on low-latency trading platforms at DEGIRO compared to other fintech companies?
2
Coding Screen
3- 2
Type · algorithm
Given a list of trade execution timestamps, find the maximum number of overlapping trades occurring at any given time. - 3
Type · algorithm
Implement a function to validate if a series of stock ticker symbols are correctly nested within a portfolio structure (e.g., using parentheses). - + 1 more questions in this round (sign up to unlock)
3
System Design
3- 4
Type · architecture
Design a distributed order matching engine that can handle thousands of orders per second with low latency. - 5
Type · architecture
How would you design a real-time price feed system that pushes updates to millions of connected mobile clients? - + 1 more questions in this round (sign up to unlock)
4
Onsite Coding
3- 6
Type · algorithm
Given a stream of trade prices, implement a sliding window median calculator that performs efficiently under heavy load. - 7
Type · debugging
Root Cause Analysis (Issue Tree + 5 Whys)You are given a snippet of code that causes a race condition in order cancellation. Identify the bug and provide a thread-safe fix. - + 1 more questions in this round (sign up to unlock)
Unlock all 12 DEGIRO 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 DEGIRO
How DEGIRO's DNA translates across functions. Pick your role.
DEGIRO resume and cover letter
Applications to DEGIRO go through an applicant tracking system, which parses your resume before a recruiter reads it. Keep the layout plain and describe your skills in the words of the posting. The interviews usually run in English, so send your resume and cover letter in English unless the posting asks for another language. Give each point in the DEGIRO DNA above a bullet that proves it.
Check your resume against the DEGIRO job posting
Upload your resume with the DEGIRO job description to see your ATS score, the keywords you are missing and what to fix before you apply.
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Write your DEGIRO cover letter
Drafted from your resume and the DEGIRO posting, so it names what you actually did. You edit it before you send it.
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Compare DEGIRO with similar employers
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Practice DEGIRO interviews end-to-end
DEGIRO Mock Interview
Run a live mock interview with our AI interviewer using DEGIRO-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for DEGIRO Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals DEGIRO interviewers grade on. Reuse them across every behavioral round.
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DEGIRO Interview Prep Hub
The frameworks behind every DEGIRO 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 DEGIRO 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 DEGIRO interview questions shows.
Given a list of trade execution timestamps, find the maximum number of overlapping trades occurring at any given time.
A strong answer shows: Efficiency; Handling time-series data.
How would you design a real-time price feed system that pushes updates to millions of connected mobile clients?
A strong answer shows: Network protocols; Real-time systems.
Frequently asked questions
How many interview rounds does DEGIRO run for Software Engineer candidates?
5 rounds, in this order: Recruiter Screen, Coding Screen, System Design, Onsite Coding, and Behavioral / Leadership.
What does DEGIRO look for in Software Engineer candidates?
DEGIRO's Pan European trading infrastructure requires engineers to design for high-throughput order routing. The loop grades your ability to maintain their 'Best Broker' status by balancing low-latency execution with strict regulatory compliance across multiple jurisdictions.
In which language does DEGIRO run its interviews?
DEGIRO usually interviews in English.
How many DEGIRO Software Engineer interview questions does JobMentis hold?
12 questions across the rounds of the DEGIRO loop, last updated November 10, 2026.
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