Backend Engineer interview practice at Wa.Expert
25 questions · 45 minutes · ₹25
Practise for the Backend Engineer interview at Wa.Expert, built from the company's own job descriptions.
Take the Backend Engineer test
What it covers
- REST APIs
- Node.js
- PostgreSQL
- System Design
Interview format
- Questions: 25 questions — 15 multiple choice, 4 predict-the-output, 4 short answer, 2 from your CV
- Time: 45 minutes, timed from the first question
- Difficulty: Beginner
- Skill area: Backend
- Price: ₹25 a test
How Wa.Expert interviews
Candidates may be tested on their ability to work with the WhatsApp Business API, webhooks, and AI models.
Frequently asked questions
- How many questions are in the Backend Engineer test?
- 25 questions (15 multiple choice, 4 predict-the-output, 4 short answer, 2 from your CV), with 45 minutes to answer them.
- What does the Backend Engineer test cover?
- REST APIs, Node.js, PostgreSQL, System Design.
- Is the Backend Engineer test free?
- It costs ₹25 a test, paid per test with no subscription. Prices in Indian rupees (INR).
- What level is the Backend Engineer test?
- Beginner, in Backend.
- How does Wa.Expert interview?
- Candidates may be tested on their ability to work with the WhatsApp Business API, webhooks, and AI models.