In an array A, given S, how to detect if A(i)+A(j)+A(k) = S. While i j and k are not equal.
Backend Engineer Interview Questions
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There was a common problem where I have to get a sum of parking fee by calculating certain condition
They gave questions regarding Problem solving, SQL, OOP, Development.
You will be doing various things, but you'll mostly be writing code, is that okay for you?
Do you know how to on computer
How can you know the type of empty interface variable
Assignment
The Tether Challenge involves building a cryptocurrency data pipeline using JavaScript, Hyperswarm RPC, and Hypercore. It requires fetching price data for the top 5 cryptocurrencies (against USDt) from CoinGecko, calculating the average price from the top 3 exchanges, and handling data quality issues while minimizing storage requirements. The data must be stored using Hypercore/Hyperbee databases and be accessible via Hyperswarm RPC with methods for fetching latest and historical prices. A scheduling mechanism should automate the pipeline every 30 seconds, with on-demand execution also supported. The task emphasizes functionality over completeness within a 6–8 hour timeframe.
How many different compiler error messages have you seen before?
Phase 5 (OOP Concepts) i. Explain the Dependency Inversion principle of SOLID design. ii. Why do we use interfaces? Iii. What’s the difference between interface and abstract class?
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