December, 2016

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Engineering the Architecture Behind Uber’s New Rider App

Uber Engineering

Why Uber Started Over. Uber is based on a simple concept: push a button, get a ride. What started as a way to request premium black cars now offers a range of products, coordinating millions of rides per day across … The post Engineering the Architecture Behind Uber’s New Rider App appeared first on Uber Engineering Blog.

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Data Analyst Interview Questions to prepare for in 2023

ProjectPro

This list of data analyst interview questions is based on the responsibilities handled by data analysts.However, the questions in a data analytic job interview may vary based on the nature of work expected by an organization. If you are planning to appear for a data analyst job interview, these interview questions for data analysts will help you land a top gig as a data analyst at one of the top tech companies.

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Hack Week #5 is Live!

Zalando Engineering

It’s the event that many of our teams anticipate throughout the entire year – our annual Zalando Hack Week. 2016 sees us branching out even further than past events , hosting parallel locations in Berlin , Dortmund , Dublin , and Helsinki. Over 1,600 technologists across three countries are putting their heads together to hack and innovate the fashion ecosystem, draped in this year’s playful theme of Gaming Allstars.

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Introducing Chaperone: How Uber Engineering Audits Apache Kafka End-to-End

Uber Engineering

As Uber continues to scale, our systems generate continually more events, interservice messages, and logs. Those data needs go through Kafka to get processed. How does our platform audit all these messages in real time? To monitor our Kafka pipeline … The post Introducing Chaperone: How Uber Engineering Audits Apache Kafka End-to-End appeared first on Uber Engineering Blog.

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Mastering Apache Airflow® 3.0: What’s New (and What’s Next) for Data Orchestration

Speaker: Tamara Fingerlin, Developer Advocate

Apache Airflow® 3.0, the most anticipated Airflow release yet, officially launched this April. As the de facto standard for data orchestration, Airflow is trusted by over 77,000 organizations to power everything from advanced analytics to production AI and MLOps. With the 3.0 release, the top-requested features from the community were delivered, including a revamped UI for easier navigation, stronger security, and greater flexibility to run tasks anywhere at any time.

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Cherami: Uber Engineering’s Durable and Scalable Task Queue in Go

Uber Engineering

Cherami is a distributed, scalable, durable, and highly available message queue system we developed at Uber Engineering to transport asynchronous tasks. We named our task queue after a heroic carrier pigeon with the hope that this system would be just … The post Cherami: Uber Engineering’s Durable and Scalable Task Queue in Go appeared first on Uber Engineering Blog.

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Hack Like a Girl with Zalando Tech

Zalando Engineering

I recently had the opportunity to be a mentor at the Hack Like A Girl Hackathon. It was organized by Geek Girls Carrots Berlin , with Zalando on board as a sponsor. The hackathon had a health and fitness theme, and I jumped at the chance to volunteer for the event. Before the hacking was to begin, participants and mentors met up at the Native Intruments offices on Friday evening to brainstorm their health and fitness related hacks for the weekend.

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Cherami: Uber Engineering’s Durable and Scalable Task Queue in Go

Uber Engineering

Cherami is a distributed, scalable, durable, and highly available message queue system we developed at Uber Engineering to transport asynchronous tasks. We named our task queue after a heroic carrier pigeon with the hope that this system would be just … The post Cherami: Uber Engineering’s Durable and Scalable Task Queue in Go appeared first on Uber Engineering Blog.

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Introducing Chaperone: How Uber Engineering Audits Apache Kafka End-to-End

Uber Engineering

As Uber continues to scale, our systems generate continually more events, interservice messages, and logs. Those data needs go through Kafka to get processed. How does our platform audit all these messages in real time? To monitor our Kafka pipeline … The post Introducing Chaperone: How Uber Engineering Audits Apache Kafka End-to-End appeared first on Uber Engineering Blog.

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Our Android App wins Editor’s Choice in the Google Play Store

Zalando Engineering

Our mobile team has recently learned of some exciting news: Our Zalando Fashion Store App for Android has been awarded the prestigious Editor’s Choice badge in the Google Play Store – a feat that we’re incredibly proud to share on behalf of the fashion e-commerce industry. The Zalando Fashion Store app is the only fashion e-commerce app at the moment in the Editor’s Choice listing, which includes the Top 150 apps across the globe from various digital industries.

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Top 5 Career Tips of 2016: UX and Beyond

Zalando Engineering

In 2016, Zalando UX started sharing tips and tricks for designers and researchers looking for work. We’ve been drawing from our hiring experiences this past year to deliver practical, useful career advice -- and published this on UXswitch , LinkedIn and the Zalando Tech Blog. Much of the advice -- though grounded in UX -- is broadly applicable beyond just researchers and designers.

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Agent Tooling: Connecting AI to Your Tools, Systems & Data

Speaker: Alex Salazar, CEO & Co-Founder @ Arcade | Nate Barbettini, Founding Engineer @ Arcade | Tony Karrer, Founder & CTO @ Aggregage

There’s a lot of noise surrounding the ability of AI agents to connect to your tools, systems and data. But building an AI application into a reliable, secure workflow agent isn’t as simple as plugging in an API. As an engineering leader, it can be challenging to make sense of this evolving landscape, but agent tooling provides such high value that it’s critical we figure out how to move forward.

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Zalando and the Docker Global Mentor Week

Zalando Engineering

Docker declared the week of 14th to 20th of November 2016 to be the first Global Mentor Week, with the incredibly ambitious goal of providing those interested with self-paced tutorials, wherever they come from. To set up trainings worldwide, Docker used its strong community and engaged the organizers of all Docker Meetup Groups -- over 250 worldwide -- to help arrange mentoring sessions in their part of the world.

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The Finish Line – Hack Week #5 Awards and More!

Zalando Engineering

Our annual Hack Week has just wrapped up at Zalando, with over 100 projects being worked on across four tech hubs. We’ve had a generous amount of hardware, software, and knowledge-sharing ideas being brainstormed and experimented with – but which were worthy of our Hack Week accolades? Read on to find out. Hack Week Quick Facts So how did Hack Week turn out overall?

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Hack Week #5 – The ajudando Project

Zalando Engineering

Imaging the following: You and your team are facing a challenging technical situation and could reach out to hundreds of potential experts to help. This wouldn’t consist of merely an email exchange: They would actually come visit your team and spend time with you, making sure the problem was addressed and that you’re equipped to deal with similar situations in the future.

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Introducing Kids to Tech for Hack Week

Zalando Engineering

While Hack Week gives Zalandos a chance to experiment and try something new, it also allows us to explore ways we can give back to the community via technology. Our Hack Week team is channeling that fervor via an initiative to introduce kids to tech, which is a great way to use our vast resources of people and knowledge. The scope of the project is to make opportunities in technology visible to kids from any background or gender, to help shape the tech environment for future generations.

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How to Modernize Manufacturing Without Losing Control

Speaker: Andrew Skoog, Founder of MachinistX & President of Hexis Representatives

Manufacturing is evolving, and the right technology can empower—not replace—your workforce. Smart automation and AI-driven software are revolutionizing decision-making, optimizing processes, and improving efficiency. But how do you implement these tools with confidence and ensure they complement human expertise rather than override it? Join industry expert Andrew Skoog as he explores how manufacturers can leverage automation to enhance operations, streamline workflows, and make smarter, data-dri

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Zalando meets Technology Foundation Berlin at Techsperts

Zalando Engineering

We’re at the end of the Zalando Techspert Series for 2016, where we’ve decided to have an up close and personal event with Nicolas Zimmer, the CEO of the Technology Foundation of Berlin, and Marc Lamik, Zalando’s Head of Innovation and Partnerships. “Culture: Beyond Agile” was the hot topic of the evening, with healthy discussion taking place about expectations of the future workplace and the evolution of agile methodologies.

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Talking to Elasticsearch

Zalando Engineering

You may have previously read about our use of Elasticsearch at Zalando Tech, and especially our utilization of Elasticsearch Express : An appliance with a toolkit enabling quick deployment and management of Elasticsearch clusters. For us, clusters are not exposed to consumers directly, but rather behind applications. Good communication between applications and clusters is an essential requirement for scaling either without causing problems.

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Zalando lands at EuroClojure 2016

Zalando Engineering

EuroClojure is the largest Clojure conference in Europe. It is organised by Cognitect and is a single track, two day event organised this year in Bratislava, Slovakia. Zalando was excited to sponsor the event and send engineers to meet hundreds of Clojurians, attend great presentations, and enjoy the beautiful city. The Talks One of the most anticipated topics at EuroClojure were the presentations about clojure.spec, a new feature in Clojure 1.9 which is in the alpha stage.

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Hive vs.HBase–Different Technologies that work Better Together

ProjectPro

HBase and Hive are two hadoop based big data technologies that serve different purposes. For instance, when you login to Facebook, you see multiple things like your friend list, you news feed, friend suggestions, people who liked your statuses, etc. With 1.79 billion monthly active users on Facebook and the profile page loading at lightning fast speed, can you think of a single big data technology like Hadoop or Hive or HBase doing all this at the backend?

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The Ultimate Guide to Apache Airflow DAGS

With Airflow being the open-source standard for workflow orchestration, knowing how to write Airflow DAGs has become an essential skill for every data engineer. This eBook provides a comprehensive overview of DAG writing features with plenty of example code. You’ll learn how to: Understand the building blocks DAGs, combine them in complex pipelines, and schedule your DAG to run exactly when you want it to Write DAGs that adapt to your data at runtime and set up alerts and notifications Scale you

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Recommendations Galore: How Zalando Tech Makes It Happen

Zalando Engineering

If you’re a frequent shopper on Zalando, you would have noticed our recommendations for similar items and brands when you’re browsing. It’s a feature we’re constantly iterating on to make the experience as personalised as possible. Having recently been featured in the Financial Times about algorithms and data to suggest your next purchase , we’ve decided to dive a little deeper into what these powerful tools can do for customers and for our business.

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Zalando Continues Being Part of the React Ecosystem at ReactNL 2016

Zalando Engineering

After attending React Europe 2016 in June, we had the pleasure to be a sponsoring partner for the first ReactNL Conference in Amsterdam this year. It was a great experience to meet developers in the React community from all around the globe, as well as showing them a taste of our Berlin offices by having “Club Mate” available for one and all! Flying the Zalando Tech flag, Kolja Wilcke and Andrey Kuzmin had an interesting talk about one of their Hack Week projects called “Elm Street 404” , an int

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Recap of Hadoop News for November

ProjectPro

News on Hadoop-November 2016 Microsoft's Hadoop-friendly Azure Data Lake will be generally available in weeks. TechRepublic.com, November 2, 2016. Microsoft's cloud-based Azure Data Lake will soon be available for big data analytic workloads. Azure Data Lake will have 3 important components -Azure Data Lake Analytics, Azure Data Lake Store and U-SQL.

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