DataSpoof

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Cicd notes

The basics of reinforcement learning in simple words https://www.dataspoof.info/post/basics-of-reinforcement-learning/

Reflecting on a memorable interview experience with Kotak Mahindra Bank for the SDE-2 (Data Engineering) role! 🌟 It comprised four stimulating rounds, featuring two bar raiser and two internal rounds. Round 1: Delved deep into DS & Algo, SQL data modeling, and Data Warehousing, setting the stage for a robust discussion. Round 2: Focused on Pipeline designing and Spark, challenging me to showcase my skills in designing efficient data pipelines. Round 3: Dived into SQL and Spark optimization, where I had the opportunity to demonstrate my expertise in enhancing performance. Round 4: A dynamic mix of everything, including streaming and writing ETL for various scenarios, truly putting my skills to the test.

𝗣𝗪𝗖 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 (𝗗𝗮𝘁𝗮 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫) ⭐→ The whole interview process had 3 rounds of 1 hour each. 🔸 The first round was an extensive discussion about the projects I was handling and a few coding questions on SQL & Python. There were questions like the following: → Optimisation techniques used in projects; Issues faced in the project; Hadoop questions. 🔸 After clearing this round, I moved on to the next round, which was a Case-Study based round. I was asked scenario-based questions & the interviewer asked multiple questions on Spark, like: → Spark job process; Optimizations of spark; Sqoop interview questions. After this, I was asked a few Coding questions & SQL coding questions, which I successfully answered. 🔸 Lastly, there was a Managerial Round where I was asked a lot of technical and advanced questions like: → Architecture of spark, hive, Hadoop; Overview of MapReduce job process; Joins to use in spark; Broadcast join & lastly Different joins available.