StockX | Senior Data Engineer | Bangalore | November 2023 [Offer]

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Senior Data Engineerbangalore4 yearsOffer
July 29, 202416 reads

Summary

I successfully navigated a Senior Data Engineer interview process at StockX in Bangalore, securing an offer within two weeks. The experience included deep dives into data engineering tech stacks, system design, and behavioral questions.

Full Experience

I recently completed the interview process for a Senior Data Engineer position at StockX in Bangalore, with approximately 4 years of experience. The entire process was incredibly efficient, concluding in just two weeks from the initial screening to receiving the offer. I was really impressed by the StockX team's quick turnaround.

The process began with an initial screening via Zoom. First, I had a 30-45 minute call with HR where they detailed the role. I was asked to openly discuss my proficiency with each technology listed in the job requirements. This was followed by a 30-45 minute tech team fitment round with a Data Engineering Team Manager. This round focused on the data engineering tech stack I had highlighted in my resume, covering topics like Spark, Hadoop, MapReduce, Hive, SQL, Spark Streaming, and SCDs. A key question here was about data pipeline requirement gathering – specifically, what questions we, as data engineers, need to ask when handed a use case for a new data pipeline. HR shared the positive outcome of this round the very next day, moving me to the virtual onsite interviews.

The virtual onsite interviews, also conducted via Zoom, consisted of several rounds. Tech Round 1, lasting 60-75 minutes with a Senior Data Engineer, delved into my data pipeline projects. I had to provide end-to-end explanations and justify my chosen approaches. We also discussed potential issues and resolutions in Spark Streaming, Spark optimizations, and scenario-based pipeline design. A notable question involved designing for a use case as a batch requirement and then outlining the necessary changes for a streaming data requirement. Tech Round 2, a 30-45 minute session with another Senior Data Engineer, covered SCDs, data modeling, and included some LeetCode Easy-Medium DSA questions related to arrays and strings, along with two SQL questions. Following this, I had a 45-minute Stakeholder Management Round with a Product Owner, which focused on behavioral questions. I shared past experiences demonstrating leadership, team spirit, conflict resolution, and collaboration, and discussed effective communication strategies with product teams and business stakeholders. The final technical assessment was an Overall Tech Fitment Round with the Data Engineering Senior Director, where we revisited SCDs, Spark Streaming, Spark optimizations, and more behavioral questions.

Finally, I had confirmation calls with HR and the DE Team Manager, each lasting 30 minutes. Both calls aimed to ensure my commitment to the offer. I provided examples from my past where I demonstrated loyalty to employers. I'm pleased to share that an offer was extended, which I accepted, and I have since joined the company.

Interview Questions (2)

Q1
Data Pipeline Requirement Gathering
System Design

As a data engineer, what key questions should I ask when receiving a requirement to develop a new data pipeline for a specific use case?

Q2
Batch vs. Streaming Pipeline Design
System Design

How would I design a data pipeline for a given use case if it's a batch requirement, and what modifications would be necessary if the requirement shifted to real-time streaming data?

Preparation Tips

While the post doesn't detail a specific preparation strategy, my focus was largely on reinforcing my expertise in the data engineering tech stack mentioned in my resume. This included areas like Spark, Hadoop, MapReduce, Hive, SQL, Spark Streaming, and SCDs. I also dedicated time to thinking through how I would approach discussions around data pipeline requirement gathering and scenario-based pipeline design, considering both batch and streaming paradigms. For the behavioral aspects, I reflected on past experiences to prepare examples illustrating leadership, teamwork, conflict resolution, and effective stakeholder communication.

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