Data Engineer interview practice at Wa.Expert
25 questions · 45 minutes · ₹25
Practise for the Data Engineer interview at Wa.Expert, built from the company's own job descriptions.
What it covers
- SQL & Databases
- Advanced SQL
- 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: Data
- Price: ₹25 a test
How Wa.Expert interviews
The engineering interviews likely focus on building chatbot flows, integration layers, and web application development using Node.js, React.js, and PostgreSQL. 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 Data 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 Data Engineer test cover?
- SQL & Databases, Advanced SQL, System Design.
- Is the Data Engineer test free?
- It costs ₹25 a test, paid per test with no subscription. Prices in Indian rupees (INR).
- What level is the Data Engineer test?
- Beginner, in Data.
- How does Wa.Expert interview?
- The engineering interviews likely focus on building chatbot flows, integration layers, and web application development using Node.js, React.js, and PostgreSQL. Candidates may be tested on their ability to work with the WhatsApp Business API, webhooks, and AI models.