Scale Engineer

Software Engineer

Software EngineerL2Medium

This interview process is designed to assess candidates for a Software Engineer (L2) position at Wise. It evaluates technical proficiency, problem-solving skills, collaboration abilities, and cultural fit within the company.

Rounds·3

Timeline·~14d

Experience·2 - 5 yrs

Comp band·US$90000 - US$130000

Interview time·150 min

Evaluation

What they measure.

  • Problem-solving approach
  • Code quality and efficiency
  • Understanding of data structures and algorithms
  • System design capabilities

Preparation

How to prepare.

Tips

  1. Review core computer science concepts, including data structures and algorithms.
  2. Practice coding problems on platforms like LeetCode or HackerRank.
  3. Understand the principles of system design and scalability.
  4. Prepare examples for common behavioral questions using the STAR method.
  5. Research Wise's products, mission, and values.
  6. Familiarize yourself with the technologies Wise uses (e.g., Java, Kotlin, Go, AWS, Kubernetes).

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms fundamentals. Practice implementations and complexity analysis.

Weeks 1-2: Focus on fundamental data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, graph traversal). Practice implementing these and analyzing their time/space complexity.

Questions

Commonly asked.

  • Given an array of integers, find the contiguous subarray with the largest sum.
  • Design a URL shortening service like bit.ly.
  • Describe a challenging technical problem you faced and how you solved it.
  • How do you ensure the quality of your code?
  • Tell me about a time you had to mentor a junior engineer.
  • What are your thoughts on test-driven development (TDD)?
  • How would you optimize a slow database query?
  • Explain the concept of eventual consistency.
  • What are your career aspirations for the next 3-5 years?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

London

Interview focus

Understanding of UK financial regulationsExperience with high-volume transaction systemsAdaptability to a fast-paced, regulated environment

Common questions

  • How would you handle a sudden surge in traffic to our platform?
  • Describe a time you had to work with a difficult stakeholder. How did you manage the relationship?
  • What are your thoughts on the current state of fintech regulation in the UK?

Tips

  • Research current UK financial regulations relevant to Wise.
  • Be prepared to discuss your experience with scaling applications.
  • Highlight any experience working in a regulated industry.

Rounds

Round-by-round.

Expand a step for evaluation criteria, sample questions, and prep notes.

DSA

Coding questions at Wise.

Frequently reported on Wise loops

View all at Wise

Other guides

More at Wise.