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Blac Technologies Interview Questions and Answers
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ABHISHEK JHA
Selected
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
(8 Questions)
- Q1. End to end architecture of current project
- Q2. Basic spark code to read & write files
- Q3. How to upsert data in table in spark
- Q4. How do you handle sudden increase in data volume
- Q5. Discussion on delta tables & ACID transactions
- Q6. Explain autoloader and use case in Databricks
- Q7. SQL question using window functions Lead, row number
- Q8. Python question using hashmap & String
(4 Questions)
- Q1. Current project understanding end to end
- Q2. Data pipeline design for a ride sharing company, ask bunch of follow up questions on the conclude a particular design.
- Q3. Explain how you follow SDLC(Agile, waterfall) ?
- Q4. Why are you looking for a change now
(4 Questions)
- Q1. Basic introductions
- Q2. What kind of work are you looking for? what do you know about the company
- Q3. Willing to relocate?
- Q4. Personal hobbies and aspirations
Interview Preparation Tips
- Spark
- Python
- SQL
- System Design
- Data Architecture
- Streaming
Selected
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
General basic assessment.
(1 Question)
- Q1. They will give you few PDFs to read and then MCQ from that.
Interview Preparation Tips
On the starting date you'll again message one person(Yashima Kamra) on Skype, they'll give you 'Zulip'(it's an open source chat system, interface is kind of like Discord but too basic) access. Now you need to message in an assigned group in Zulip. The Zulip part is 'Training' in real but good luck getting any support from the other person. He/she will just give you commands, and if you ask any questions or ask for assistance to understand the new process they'll simply ignore that.
Then if you're lucky like me one day they'll report that you're ate fault, you haven't reported so they've revoked your Zulip access.
I have joined there or you can say hoped to work atleast(as it was 4 hours/day job) but that's not possible it seems.
If you're looking for jobs here I'd suggest to give it a try ofcourse so that people can actually know about this company's rubbish people.
Instrumentation Technician Interview Questions & Answers
Techno Concepts
Anonymous
posted on 9 Dec 2024
Selected
(2 Questions)
- Q1. What is process of configuration of transmitters
- Q2. What is the of put of transmitters and I to P relay
(2 Questions)
- Q1. What is the process of transmitters configuration
- Q2. What is the output of transmitters and I to P relay
Kumar Akash
I applied via Referral and was interviewed in Jul 2024. There were 3 interview rounds.
(3 Questions)
- Q1. Some questions related to APIs/Postman.
- Q2. Some questions related to stakeholder management.
- Q3. Some easy questions related to SQL
(2 Questions)
- Q1. What are some key traits that an implementation analyst must have?
- Q2. Explain about your previous experience
(3 Questions)
- Q1. Have you ever mentored someone and have you ever led a team?
- Q2. How many micro-services you've worked with in a single project?
- Q3. How do you communicate among your team?
Interview Preparation Tips
- API
- SQL
- Postman
- Stakeholder Management
- Business Management
Associate Software Engineer Interview Questions & Answers
XenonStack
Anonymous
posted on 13 Dec 2024
Mintu Babu lives in a smaller house than her brother and in a larger house than her parents. Her children reside with her, and she has no other relatives. If Mintu Babu's relative U lives in a larger house than her relative S, then all the following may be true except: \n\n1) S is U's father \n\n2) S is U's mother \n\n3) U is younger than S \n\n4) S is younger than U
(2 Questions)
- Q1. 1. merge two linked list
- Ans.
Merge two sorted linked lists without creating new nodes by rearranging existing nodes.
Traverse both linked lists simultaneously
Compare the values of nodes and rearrange pointers accordingly
Continue until one of the lists is fully traversed
- Q2. 2. reverse a linked list.
- Ans.
Reverse a linked list by changing the direction of pointers.
Start with three pointers: current, previous, and next.
Iterate through the linked list, updating pointers to reverse the direction.
Update the head of the linked list to be the previous node once iteration is complete.
Skills evaluated in this interview
2 DSA Questions, medium level
(1 Question)
- Q1. System Design for a application
(1 Question)
- Q1. High Level System Design
I applied via Approached by Company and was interviewed in Aug 2024. There was 1 interview round.
(3 Questions)
- Q1. About yourself ?
- Q2. Just asked questions on previous role
- Q3. How many types of IOT devices are there
- Ans.
There are three main types of IoT devices: consumer, commercial, and industrial.
Consumer IoT devices: Smart home devices like thermostats, lights, and security cameras.
Commercial IoT devices: Smart meters, asset tracking systems, and connected vending machines.
Industrial IoT devices: Sensors and actuators used in manufacturing, agriculture, and healthcare.
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There were 2 interview rounds.
Weather dashboard app
Js coding test on array and loops
Interview Preparation Tips
15 mins was given for aptitude test.
(2 Questions)
- Q1. Networking basics
- Q2. Scenario Based Questions
(2 Questions)
- Q1. Why do you want to join?
- Q2. What are your salary expectations
Interview Preparation Tips
(2 Questions)
- Q1. They believe they are good when they are not. Maquila company
- Q2. Lack of skills. no what they promise.
Interview Preparation Tips
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