Type · algorithm
Given a list of financial transactions, each with a timestamp and an amount, write a function to calculate the running total of all transactions up to any given point in time. Consider efficiency for a large number of transactions.
Enterprise · Software Engineer Interview Guide
Interview language: English
How to Pass the Achmea Software Engineer Interview in 2026
The Achmea DNA (TL;DR)
The "Achmea Samen" principle guides hiring, assessing how individuals contribute to collective goals across diverse business units like Zilveren Kruis and Centraal Beheer. Interviewers seek evidence of navigating complex organizational structures and driving initiatives that benefit the broader institution, not just a single team.
The Achmea 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 Achmea interview outcomes, avoid these common traps:
- Failing to account for different customer tiers or subscription levels.
- Not being able to articulate the technical reasoning behind their viewpoint.
- Making superficial changes without improving the underlying structure or logic.
- Not considering how to make the code more modular and easier to test.
Get the full Achmea playbook, free
Every round, the exact grading rubric interviewers score against, all the questions, and unlimited mock-interview practice. Free account, no credit card.
Test Yourself: Real Achmea Questions
Three real prompts pulled from our database.
Type · design
Design a rate limiter for API requests to our customer portal. This should prevent abuse and ensure fair usage for all customers, considering different tiers of service.
Type · conflict resolution
Tell me about a time you had a significant disagreement with a colleague or manager. How did you handle it, and what was the outcome?
+ many more questions, signals, and worked examples
Sign up to unlock the full Achmea grading rubric
Achmea Interview Question Bank
A sample from our database, grouped by round. Sign up to see the full set.
9 of 14 questions shown
1
Recruiter Screen
1- 1
Type · motivation
What interests you about working at Achmea, specifically within our finance technology domain?
2
Coding Screen
3- 2
Type · algorithm
Given a list of financial transactions, each with a timestamp and an amount, write a function to calculate the running total of all transactions up to any given point in time. Consider efficiency for a large number of transactions. - 3
Type · algorithm
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 the stock once. Assume you must buy before you sell. - + 1 more questions in this round (sign up to unlock)
3
System Design
3- 4
Type · design
Design a system to process and aggregate real-time insurance claims data from various sources. The system needs to handle high throughput and ensure data consistency for fraud detection. - 5
Type · design
Design a rate limiter for API requests to our customer portal. This should prevent abuse and ensure fair usage for all customers, considering different tiers of service. - + 1 more questions in this round (sign up to unlock)
4
Onsite Coding
3- 6
Type · algorithm
Implement a function to find the k-th smallest element in a large, unsorted array of customer account balances. Optimize for performance, especially when k is much smaller than the array size. - 7
Type · debugging
A critical batch process for calculating daily interest accruals is failing intermittently. Here's the relevant code. Debug and identify the root cause, considering potential race conditions or data inconsistencies. - + 1 more questions in this round (sign up to unlock)
5
Behavioral / Leadership
4- 8
Type · conflict resolution
Tell me about a time you had a significant disagreement with a colleague or manager. How did you handle it, and what was the outcome? - 9
Type · ownership
Tell me about a time you encountered a significant technical challenge in a project that was critical for the business. How did you take ownership and ensure its successful resolution? - + 2 more questions in this round (sign up to unlock)
Unlock all 14 Achmea 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 Achmea
How Achmea's DNA translates across functions. Pick your role.
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Practice Achmea interviews end-to-end
Achmea Mock Interview
Run a live mock interview with our AI interviewer using Achmea-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.
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STAR Stories for Achmea Behavioral Rounds
Build a Story Bank of your past wins, mapped to the leadership signals Achmea interviewers grade on. Reuse them across every behavioral round.
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Achmea Interview Prep Hub
The frameworks behind every Achmea 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 Achmea 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 Achmea interview questions shows.
Given a list of financial transactions, each with a timestamp and an amount, write a function to calculate the running total of all transactions up to any given point in time. Consider efficiency for a large number of transactions.
A strong answer shows: Proposes a solution with O(1) or O(log n) query time after an initial O(n) preprocessing step.; Handles edge cases gracefully.; Writes clean, readable code..
Design a rate limiter for API requests to our customer portal. This should prevent abuse and ensure fair usage for all customers, considering different tiers of service.
A strong answer shows: Suggests using distributed caches (like Redis) with appropriate algorithms (e.g., token bucket, leaky bucket).; Discusses strategies for handling distributed state and potential race conditions.; Considers different strategies for different customer tiers..
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