Riskified’s Post

🚀 𝐃𝐄 𝐈𝐧𝐭𝐞𝐫𝐯𝐢𝐞𝐰📢 𝐒𝐩𝐚𝐫𝐤 ⌛ 𝟏-𝐌𝐢𝐧 𝐑𝐞𝐚𝐝 "𝐏𝐚𝐢𝐫 𝐑𝐃𝐃 𝐯𝐬 𝐌𝐚𝐩 𝐢𝐧 𝐒𝐩𝐚𝐫𝐤" 🔍 🧔🏽♂️ Interviewer: Explain the difference between Pair RDD and Map in Spark and their significance. 👨🦰 Interviewee: Pair RDDs represent key-value pairs, ideal for aggregations and joins. Maps store key-value pairs. Without them, efficient key-based operations become difficult, causing performance issues. 🧔🏽♂️ Interviewer: What if Pair RDDs or Maps don't exist in Spark? 👨🦰 Interviewee: Without them, key-based operations need manual handling, leading to inefficiency and complexity, especially with large datasets. 🧔🏽♂️ Interviewer: How do Pair RDDs and Maps optimize performance? 👨🦰 Interviewee: They enable efficient key-based operations with built-in optimizations. Pair RDDs use partitioning and shuffling, while Maps provide fast key lookup. 🧔🏽♂️ Interviewer: Strategies to maximize their effectiveness? 👨🦰 Interviewee: Use appropriate data structures, partitioning, and optimization techniques. Optimize data locality and minimize shuffles for better performance. #DataEngineering #ApacheSpark #BigData #TechInterview #DataProcessing #PerformanceOptimization #OneStepAnalytics

Exposure scores are key to prioritizing where to focus critical remediation efforts to ensure the most critical assets and identities are secured first! Tenable's Senior Data Scientist, Carlos Amaral explains how exposure scores are calculated! http://ow.ly/ugAE105AkLs

📈 Investigate a practical use case in deploying Gemma for dataflow application. ➡️ https://goo.gle/3Uy0Y9k During this session, we'll illustrate how Gemma integrates into an event-driven pattern to efficiently process reviews, analyze sentiment, and deliver resulting outputs downstream.

Dive into Kirushanthan Ragunadan's testimonial and experience the Veracity difference firsthand! Discover how our data annotation specialist thrives in our dynamic work environment. Don't miss out – read his story now! #VeracityGroup #VeracityCareers #Testimonial #EmployeeExperience #DataAnnotation

This week at Tiki, we're thrilled to share some exciting progress and new insights as we continue building our Data-as-a-Service (DaaS) platform. Here’s what we’ve been up to: 🚀 Data Expansion: We’ve added fresh datasets in response to growing interest in diverse consumer transaction data, expanding our reach beyond the U.S. This week marks the first stages of integrating new, ethically sourced African consumer data to better serve our global clients! 📈 Enhanced User Insights: Our analytics team has rolled out more advanced metrics to help our users gain a deeper understanding of consumer behaviour trends. These insights are crafted to support more effective, data-driven decision-making across industries. 🔍 Privacy and Transparency Focus: At Tiki, data privacy is paramount. We're constantly evolving our privacy practices to ensure user control and transparency, maintaining compliance with international standards while delivering the data you need. 📞 Let’s Talk!: Interested in learning how Tiki can support your data needs? We’d love to chat! Head over to discover.tiki.company and connect with us to explore how we can empower your data strategy.

This video provides an overview and value proposition of Cognistx's Data Quality Engine (DQE) as explained by our co-founder and chief data scientist Dr. Eric Nyberg - DQE Product Manager - Uxue Zurutuza.

I highly recommend the Complete Interview Preparation Kit for Data Engineers by Shubham Wadekar. The content is well-structured, comprehensive, and incredibly useful in understanding key concepts. The practice problems and explanations boosted my confidence and knowledge significantly. Thank you, Shubham, for creating such an insightful guide! - Ramamurthy Valavandan #DataEngineering #CareerDevelopment

THE POWER OF MISSION STATEMENT WEEK 2 OF MY ALX DATA ANALYSIS PROGRAM; PROFESSIONAL FOUNDATION PROGRAM If I'm asked to talk about the module I like most and that really resonates with me this week, it is about the module that teaches about the power of mission statement and how it can push one to greatness and empower one. A mission statement refers to a specific goal, purpose, or assignment that an individual, organization, or group aims to accomplish. A passionate individual is a result of a missioned individual, and one can't thrive without a mission even though they can still survive, but they won't thrive. In the module, it's also stated that people who create mission for organisations forget about having a mission for themselves because it is when a cooperate mission is aligned with an individual mission that there will be co-mission and Co-mission will put one in position where they can create anything and put it into fruition. When creating a personal mission statement, the following should be considered; 📍Make sure it's a phrase that empowers you. 📍Make it short. 📍Do not be perfect with it because complexity is the enemy of execution. 📍Make sure it's something you can be, do, and give. You can add whatever you think should be considered in the comment section 🤗. Prior to this, i did not have a mission statement but now due to all what I've learnt, I created one already 🤭🤗. I can't wait to see what WEEK 3 holds! #ALXProfessionalFoundations #dohardthings #personaldevelopment #careerdevelopment

Topic: Practice answering Data Engineering general interview questions. See you there!

One way I love to learn is by talking to people and learning from their experiences. That's why in 2024 I put so much effort into running dozens of lives interviewing data engineers, VPs, consultants and more! Hopefully you've caught a couple of the chats with people like Celina Wong Alex Freberg Daniel Palma Kathleen Hayes, etc. With 2025 around the corner, I'd love to know, who do you think I should have a chat with? Feel free to tag some folks below or like and repost to help others find this post!