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Amazon Interview Process for Data Scientist position

๐Ÿ“Round 1- Phone Screen round
This was a preliminary round to check my capability, projects to coding, Stats, ML, etc.

After clearing this round the technical Interview rounds started. There were 5-6 rounds (Multiple rounds in one day).

๐Ÿ“ ๐—ฅ๐—ผ๐˜‚๐—ป๐—ฑ ๐Ÿฎ- ๐——๐—ฎ๐˜๐—ฎ ๐—ฆ๐—ฐ๐—ถ๐—ฒ๐—ป๐—ฐ๐—ฒ ๐—•๐—ฟ๐—ฒ๐—ฎ๐—ฑ๐˜๐—ต:
In this round the interviewer tested my knowledge on different kinds of topics.

๐Ÿ“๐—ฅ๐—ผ๐˜‚๐—ป๐—ฑ ๐Ÿฏ- ๐——๐—ฒ๐—ฝ๐˜๐—ต ๐—ฅ๐—ผ๐˜‚๐—ป๐—ฑ:
In this round the interviewers grilled deeper into 1-2 topics. I was asked questions around:
Standard ML tech, Linear Equation, Techniques, etc.

๐Ÿ“๐—ฅ๐—ผ๐˜‚๐—ป๐—ฑ ๐Ÿฐ- ๐—–๐—ผ๐—ฑ๐—ถ๐—ป๐—ด ๐—ฅ๐—ผ๐˜‚๐—ป๐—ฑ-
This was a Python coding round, which I cleared successfully.

๐Ÿ“๐—ฅ๐—ผ๐˜‚๐—ป๐—ฑ ๐Ÿฑ- This was ๐—›๐—ถ๐—ฟ๐—ถ๐—ป๐—ด ๐— ๐—ฎ๐—ป๐—ฎ๐—ด๐—ฒ๐—ฟ where my fitment for the team got assessed.

๐Ÿ“๐—Ÿ๐—ฎ๐˜€๐˜ ๐—ฅ๐—ผ๐˜‚๐—ป๐—ฑ- ๐—•๐—ฎ๐—ฟ ๐—ฅ๐—ฎ๐—ถ๐˜€๐—ฒ๐—ฟ- Very important round, I was asked heavily around Leadership principles & Employee dignity questions.

So, here are my Tips if youโ€™re targeting any Data Science role:
-> Never make up stuff & donโ€™t lie in your Resume.
-> Projects thoroughly study.
-> Practice SQL, DSA, Coding problem on Leetcode/Hackerank.
-> Download data from Kaggle & build EDA (Data manipulation questions are asked)

Best Data Science & Machine Learning Resources: https://topmate.io/coding/914624

ENJOY LEARNING ๐Ÿ‘๐Ÿ‘
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โŒจ๏ธ MongoDB Cheat Sheet

MongoDB is a flexible, document-orientated, NoSQL database program that can scale to any enterprise volume without compromising search performance.


This Post includes a MongoDB cheat sheet to make it easy for our followers to work with MongoDB.

Working with databases
Working with rows
Working with Documents
Querying data from documents
Modifying data in documents
Searching
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๐Ÿš€ Walk-in Hiring Drive Alert! ๐Ÿš€

AccioJob x Sceniuz are hiring for Data Analyst & Data Engineer roles!

* Graduation Year: Open to All
* Degree: BTech / BE / BCA / BSC / MTech /ME / MCA / MSC
* CTC: 3โ€“6 LPA
* Offline Assesment at AccioJob partnered campus in Mumbai

๐Ÿ‘‰๐Ÿป Data Analyst: https://go.acciojob.com/47HSHh
๐Ÿ‘‰๐Ÿป Data Engineer: https://go.acciojob.com/PnRTK2
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Greetings from PVR Cloud Tech!! ๐ŸŒˆ

๐Ÿš€ Kickstart Your Career in Azure Data Engineering โ€“ The Smart Way in 2025!

๐Ÿ“Œ Start Date: 15th September 2025

โฐ Time: 9 PM โ€“ 10 PM IST | Monday

๐Ÿ”น Course Content:

https://drive.google.com/file/d/1YufWV0Ru6SyYt-oNf5Mi5H8mmeV_kfP-/view

๐Ÿ“ฑ Join WhatsApp Group:

https://chat.whatsapp.com/JezGFEebk2G3TsZPzTsbZP

๐Ÿ“ฅ Register Now:

https://forms.gle/8f6hzRCQJmShf5Eo8

๐Ÿ“บ WhatsApp Channel:

https://www.whatsapp.com/channel/0029Vb60rGU8V0thkpbFFW2n

Cheers.
Team PVR Cloud Tech :)
+91-9346060794
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๐Ÿš€ Step-by-Step Guide to Become a Data Engineer in 2025 ๐Ÿ› ๏ธ๐Ÿ“‚

1๏ธโƒฃ Start with Programming Basics 
Learn Python or Java โ€” essential for scripting, automation & handling data.

2๏ธโƒฃ Understand Databases 
Master SQL for querying, plus NoSQL (MongoDB, Cassandra) for unstructured data.

3๏ธโƒฃ Learn Data Warehousing 
Get comfy with ETL, OLAP, Star/Snowflake schemas. Tools: Snowflake, Redshift, BigQuery.

4๏ธโƒฃ Work with Big Data Tools 
Explore Hadoop, Spark, Kafka โ€” key for large-scale data processing.

5๏ธโƒฃ Get Hands-On with Cloud Platforms 
Focus on AWS, Azure, or GCP โ€” master data services like S3, Lambda, Glue, BigQuery.

6๏ธโƒฃ Practice Building Data Pipelines 
Use Apache Airflow, dbt, or Prefect to build and orchestrate workflows end-to-end.

7๏ธโƒฃ Version Control & CI/CD 
Learn GitHub, Docker, Jenkins for collaboration and deployment.

8๏ธโƒฃ Build a Strong Portfolio 
Show off pipeline projects, cloud workflows, and architecture diagrams.

9๏ธโƒฃ Apply for Data Engineering Roles 
Look for titles like Data Engineer, ETL Developer, Cloud Data Engineer.

๐Ÿ”Ÿ Keep Growing & Learning 
Dive into real-time streaming, data security, optimization, and advanced data modeling.

โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”

๐Ÿ”ฅ In 2025, top skills include cloud computing, big data, ETL, programming (Python/Java), and data warehousing. Focus where demand is highest!

๐Ÿ’ก Start small, build projects, experiment on free cloud tiers, and stay updated with emerging tech.

๐Ÿ’ฌ Tap โค๏ธ for more!
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