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Hitachi Digital Services
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I applied via Naukri.com and was interviewed in Aug 2023. There were 3 interview rounds.
Encountered challenges during past implementations and how they were resolved
Lack of stakeholder buy-in led to resistance to change
Integration issues with existing systems caused delays
Insufficient training for end-users resulted in low adoption rates
Scope creep led to project timeline and budget overruns
Communication breakdowns between teams caused misunderstandings
I applied via Naukri.com and was interviewed in Nov 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2021. There were 4 interview rounds.
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I applied via Recruitment Consultant and was interviewed in May 2019. There were 3 interview rounds.
posted on 20 Apr 2022
I applied via Recruitment Consulltant and was interviewed before Apr 2021. There was 1 interview round.
NoSQL databases are non-relational databases that store and retrieve data in a non-tabular format.
Document-oriented databases (MongoDB, Couchbase)
Key-value stores (Redis, Riak)
Column-family stores (Cassandra, HBase)
Graph databases (Neo4j, OrientDB)
Scaling refers to the process of increasing or decreasing the capacity of a system to handle more or less load.
Vertical Scaling: Adding more resources to a single node
Horizontal Scaling: Adding more nodes to a system
Load Balancing: Distributing the load across multiple nodes
Database Sharding: Splitting a database into smaller parts to distribute the load
Caching: Storing frequently accessed data in memory for faster acc
I applied via Approached by Company and was interviewed before Apr 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Sep 2020. There were 3 interview rounds.
Event loop is a mechanism that allows non-blocking I/O operations in a single-threaded environment.
Event loop is used in programming languages like JavaScript and Python.
It manages the execution of multiple tasks by prioritizing them based on their priority level.
It continuously checks for new events and executes them in a loop.
It allows for efficient handling of I/O operations without blocking the main thread.
It is co...
let, var and const are used to declare variables in JavaScript with different scoping rules and mutability.
let and var are used to declare variables that can be reassigned later, but var has function scope while let has block scope.
const is used to declare variables that cannot be reassigned and have block scope.
Using const does not mean the value is immutable, only the variable reference is.
let and const were introduc...
posted on 17 Jan 2021
I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.
posted on 21 Nov 2020
posted on 21 Apr 2021
Some of the top questions asked at the Hitachi Digital Services Senior Consultant 2 interview -
based on 2 interviews
Interview experience
based on 25 reviews
Rating in categories
Senior Consultant
42
salaries
| ₹14 L/yr - ₹38.2 L/yr |
Associate Technical Consultant
40
salaries
| ₹3.2 L/yr - ₹9.2 L/yr |
Technical Lead
35
salaries
| ₹13.3 L/yr - ₹45 L/yr |
Senior Software Development Engineer
35
salaries
| ₹13.6 L/yr - ₹38 L/yr |
Senior Consultant 2
25
salaries
| ₹14.6 L/yr - ₹48 L/yr |
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