{"product_id":"data-engineering-interview-mastery-masud-mondal-9798182198974","title":"Data Engineering Interview Mastery \u0026 System Design: Data Engineer Interviews with SQL, Python, Spark, Cloud \u0026 Production Architecture","description":"Walk into your data engineering interview ready for every round.\u003cbr\u003e\u003cb\u003eMost people don't fail data engineering interviews because they lack skill. They fail because no one showed them what each round is really testing, or how to answer under pressure.\u003c\/b\u003e This book fixes that. \u003ci\u003eData Engineering Interview Mastery \u0026amp; System Design\u003c\/i\u003e is a complete, end-to-end preparation guide that follows the real shape of a modern DE interview, from SQL and Python fundamentals to the senior system design rounds where the best offers are won and lost. \u003cb\u003eWhat you'll master: \u003c\/b\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSQL\u003c\/b\u003e interview problems: joins, window functions, CTEs, indexing, and query optimization\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePython\u003c\/b\u003e for data engineers: generators, decorators, OOP, concurrency, and \"what does this print?\" questions\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarehousing \u0026amp; modeling: \u003c\/b\u003e OLTP vs OLAP, star and snowflake schemas, slowly changing dimensions, and Data Vault\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLakes \u0026amp; lakehouses: \u003c\/b\u003e Delta\/Iceberg, ACID on files, schema evolution, and the medallion architecture\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBig data \u0026amp; cloud: \u003c\/b\u003e Spark internals, shuffles and data skew, Kafka delivery guarantees, AWS, and Airflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSystem design: \u003c\/b\u003e a repeatable framework plus four full designs - Batch ETL, Real-Time Streaming, Data Lakehouse, and a 5-billion-events\/day Clickstream platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCareer mastery: \u003c\/b\u003e resume, LinkedIn, portfolio projects, mock interviews, and salary negotiation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cb\u003eWhy this book is different?: \u003c\/b\u003e Every key question follows a proven 8-part format - \u003ci\u003eQuestion, Why Interviewers Ask, Simple Answer, Detailed Explanation, Real Business Example, Common Mistakes, Follow-up Questions, and Difficulty\u003c\/i\u003e - so you don't just memorize an answer, you understand it and handle the follow-ups that actually decide the outcome. You also get \u003cb\u003e285+ rapid-fire questions\u003c\/b\u003e in the appendices (Top 100 SQL, Top 50 Python, Top 50 Spark, Top 30 Kafka, Top 30 AWS, Top 25 System Design) and quick-reference \u003cb\u003echeat sheets\u003c\/b\u003e for last-minute revision the night before. \u003cp\u003e\u003c\/p\u003e\u003cb\u003eWho it's for?: \u003c\/b\u003e Freshers and career switchers, ETL\/QA\/analyst professionals moving into data engineering, software engineers crossing over, and experienced engineers targeting senior roles. Nobody is talked down to, and nothing is padded. This isn't a list of facts to memorize. It teaches you to think the way a data engineer thinks: clarify the problem, reason about how systems behave and fail, weigh the trade-offs, and say it all clearly out loud. The work ahead is real, and it's learnable. \u003cb\u003eScroll up, grab your copy, and start preparing the way the engineers who get hired do.\u003c\/b\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Masud Mondal\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798182198974\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 06\/18\/2026\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 276\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.82lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.58d","brand":"Masud Mondal","offers":[{"title":"Paperback","offer_id":49173837480191,"sku":"9798182198974","price":18.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.whiterainbookhouse.com\/products\/data-engineering-interview-mastery-masud-mondal-9798182198974","provider":"WR Book House","version":"1.0","type":"link"}