How many rounds is the Wise. Energy Backend Engineer interview process?

Candidates report 3 stages: Automated Assessments, Technical Interviews, and Final Technical Rounds. The interview process section above breaks down what each stage covers.

What topics come up in the Wise. Energy Backend Engineer interview?

Wise. Energy Backend Engineer interviews most often cover Caching, Data Structures & Algorithms (DSA), Object-Oriented Programming (OOP), Coding Interviews, and Algorithmic Problem Solving, based on topics extracted from real candidate reports.

What questions does Wise. Energy ask Backend Engineer candidates?

Recent candidates report questions like "API Endpoint Design With Sliding Window" and "Choosing LRU Eviction Policy". The question bank above tracks 20 questions for this role, ranked by how often they come up in Wise. Energy interviews.

Wise. EnergyBackend Engineer

Updated Feb 19, 2026

Wise. Energy Backend Engineer Interview Experiences 2026

Real, anonymous reports from people who interviewed for Backend Engineer at Wise. Energy, newest first and distilled into what to expect across the loop.

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Hot & recentNewest first

6 months ago

Difficult Negative Budapest

I interviewed for Software Engineer and found the process challenging mainly because the live coding format left little time to think end-to-end.

Coding interview (live, HackerRank) — a 1-hour session with two interviewers; as I coded they asked implementation questions even before I had time to form a full solution. The data structures component felt more complex than I initially expected, and the limited help became a barrier because it constrained my ability to reason through the whole approach.

8 months ago

Average Negative Poland

I interviewed for Software Engineer and experienced a process that leaned heavily on automated assessments, followed by long, unclear communication gaps.

Automated OA / technical assessments — DSA-style problems and a behavioural/video component where I only received a numerical score, with little or no guidance on what to improve.

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