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Growth · Software Engineer Interview Guide

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Interview language: English

How to Pass the seQura Software Engineer Interview in 2026

The seQura DNA (TL;DR)

The technical rounds at seQura heavily weigh a candidate's ability to design scalable fintech solutions, particularly for features like My Account Enjoy and Qoins Discounts. They seek individuals who can articulate the trade-offs in system architecture and demonstrate practical implementation skills, often looking for a 'metric-with-denominator' approach to impact.

The seQura Interview Loop

Your onsite loop will typically consist of 5 rounds.

  1. 1

    Round 1

    Recruiter Screen
    Motivation, role fit, logistics.
  2. 2

    Round 2

    Coding Screen
    LeetCode-medium algorithmic problems under time pressure.
  3. 3

    Round 3

    System Design
    Distributed systems, trade-offs at scale, architecture under constraints.
  4. 4

    Round 4

    Onsite Coding
    LeetCode-hard, debugging, code clarity, edge cases.
  5. 5

    Round 5

    Behavioral / Leadership
    Past evidence of ownership, influence, resolving conflict.

The Danger Zone: Top Reasons Candidates Fail

Based on our database of seQura interview outcomes, avoid these common traps:

  • Not handling edge cases like empty input or timestamps that are not sorted.
  • Errors in summing the digits after doubling (e.g., not handling two-digit sums correctly).
  • Focusing solely on personal career advancement without demonstrating understanding of seQura's mission or impact.
  • Not demonstrating initiative beyond standard responsibilities.

Test Yourself: Real seQura Questions

Three real prompts pulled from our database.

Type · Motivation

Why are you interested in joining seQura, and what specifically about our work in the fintech space excites you as a Software Engineer?

Type · Code Clarity & Edge Cases

Write a function that takes a list of payment amounts and returns the total amount after applying a discount. The discount is 10% for amounts over $100, and 5% for amounts between $50 and $100. Amounts below $50 have no discount. Ensure your code is readable and handles edge cases.

Type · API Design

Design an API for a real-time payment processing system. Consider aspects like idempotency, request/response formats, error handling, and security for handling financial transactions.

+ many more questions, signals, and worked examples

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seQura Interview Question Bank

A sample from our database, grouped by round. Sign up to see the full set.

9 of 21 questions shown

1

Recruiter Screen

1
  1. 1

    Type · Motivation

    Why are you interested in joining seQura, and what specifically about our work in the fintech space excites you as a Software Engineer?
2

Coding Screen

3
  1. 2

    Type · Algorithmic

    Given a list of transaction IDs and their corresponding timestamps, write a function to find the number of transactions that occurred within a rolling 5-minute window. For example, if the window slides by 1 minute, we want to count transactions in `[t, t+5min]`.
  2. 3

    Type · Data Structures

    Implement a Least Recently Used (LRU) cache with a fixed capacity. The cache should support `get(key)` and `put(key, value)` operations. When the cache is full and a new item is inserted, the least recently used item should be evicted.
  3. + 1 more questions in this round (sign up to unlock)
3

System Design

3
  1. 4

    Type · API Design

    Design an API for a real-time payment processing system. Consider aspects like idempotency, request/response formats, error handling, and security for handling financial transactions.
  2. 5

    Type · Scalability

    How would you design a system to handle a sudden surge in payment requests during a major online sale event (e.g., Black Friday)? Discuss potential bottlenecks and strategies to ensure high availability and low latency.
  3. + 1 more questions in this round (sign up to unlock)
4

Onsite Coding

3
  1. 6

    Type · Algorithmic

    Given a stream of financial transactions, design a data structure that can efficiently calculate the median transaction amount at any point in time. Assume the stream can be very large.
  2. 7

    Type · Debugging

    A critical payment processing endpoint is intermittently failing with a 500 Internal Server Error. The logs show a generic 'database connection error' but it's not clear if the database is actually down or if there's another issue. How would you approach debugging this problem?
  3. + 1 more questions in this round (sign up to unlock)
5

Behavioral / Leadership

11
  1. 8

    Type · Ownership

    Tell me about a time you took ownership of a project or problem that was not explicitly part of your job description. What was the situation, what did you do, and what was the outcome?
  2. 9

    Type · Ownership

    Tell me about a time you took ownership of a problem or project that wasn't explicitly assigned to you. What was the situation, what did you do, and what was the outcome?
  3. + 9 more questions in this round (sign up to unlock)

Unlock all 21 seQura questions, free

No credit card. Every question with its framework, the grading signals interviewers score against, and a worked answer for each.

Unlock all 21 seQura questions

Interview tracks at seQura

How seQura's DNA translates across functions. Pick your role.

Compare seQura with similar employers

Same DNA, different bar. Browse the closest companies in our database and see how their loops differ.

Practice seQura interviews end-to-end

Sample answers

What a strong answer to these seQura interview questions shows.

Why are you interested in joining seQura, and what specifically about our work in the fintech space excites you as a Software Engineer?

A strong answer shows: Genuine interest in fintech and seQura's business model.; Understanding of the SWE role within a fintech context..

Write a function that takes a list of payment amounts and returns the total amount after applying a discount. The discount is 10% for amounts over $100, and 5% for amounts between $50 and $100. Amounts below $50 have no discount. Ensure your code is readable and handles edge cases.

A strong answer shows: Ability to write clean, maintainable code.; Attention to detail in implementing business logic.; Consideration for edge cases and input validation..

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