Process
There are 5 rounds.
Tech test - This will be a HackerRank online test. This should take max. 90 minutes. (3 coding questions, 1 database question, and other MCQs). Coding questions:
- Integer to Roman
- Detecting the domain
- Finding pairs Database question: LeetCode one with a tree.
Screening - 30 min general screening call with one engineer. Simple talk on your projects and development practices.
Tech interview - 90 min technical interview with 2 engineers. General tech questions as per your skills and one elevator design problem.
Product interview - 60 min product interview with a product manager. Use case and product strategy.
Engineering VP interview - 60 mins final validation interview with the VP of Engineering. Cleared the first three and was rejected in the fourth.
Questions
Elevator object-oriented design problem.
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Interview Statistics
The following metrics were computed from 1 interview experience for the Wise Backend Developer role in Singapore.
Success Rate
Wise's interview process for their Backend Developer roles in Singapore is extremely selective, failing the vast majority of engineers.
Experience Rating
Candidates reported having very negative feelings for Wise's Backend Developer interview process in Singapore.
Wise Work Experiences
- 4.0Good Work, Low WagesSenior Android Developer • Former EmployeeSpain, Georgia, United StatesSeptember 4, 2025Pros: International and other stuff, good.Cons: Wages are not so high.
- 3.0Great culture, not great to get things doneEngineering Team • Former EmployeeTallinn, EstoniaAugust 30, 2019Pros: A really mission-driven company that deeply cares about the customers. The culture is nice and chill. In product engineering teams, you can work in a relaxed manner, and only a few teams will ever challenge you on this.Cons: Contrary to expectations, you won't find too many smart, good performers around you. TransferWise doesn't compensate in the high brackets to attract them, while most original employees with high stock packages have left by now. People in engineering teams are almost never let go, so you can imagine the environment this creates for the talent pool. The level of technical debt is very high for most teams, and it is really hard to develop things quickly. It doesn't help that the leadership team prefers to ignore these problems, almost always prioritizing features (however minor) over long-term fundamental fixing.
- 5.0Great place to workSoftware Engineer(Internship) • Former EmployeeLondon, England, United KingdomOctober 7, 2023Pros: Culture is great. Everyone is extremely welcoming and eager to help each other learn new things. In-office lunch on Fridays. Team fun days fairly regularly.Cons: It can be easy to work more than is expected of you.
Wise Interview Questions
