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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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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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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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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Beyond the Basics of A/B Tests: Highly Innovative Experimentation Tactics You Need to Know

Speaker: Timothy Chan, PhD., Head of Data Science

Are you ready to move beyond the basics and take a deep dive into the cutting-edge techniques that are reshaping the landscape of experimentation? 🌐 From Sequential Testing to Multi-Armed Bandits, Switchback Experiments to Stratified Sampling, Timothy Chan, Data Science Lead, is here to unravel the mysteries of these powerful methodologies that are revolutionizing how we approach testing.

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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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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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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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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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From Developer Experience to Product Experience: How a Shared Focus Fuels Product Success

Speaker: Anne Steiner and David Laribee

As a concept, Developer Experience (DX) has gained significant attention in the tech industry. It emphasizes engineers’ efficiency and satisfaction during the product development process. As product managers, we need to understand how a good DX can contribute not only to the well-being of our development teams but also to the broader objectives of product success and customer satisfaction.

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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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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?

Food 40
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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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Peak Performance: Continuous Testing & Evaluation of LLM-Based Applications

Speaker: Aarushi Kansal, AI Leader & Author and Tony Karrer, Founder & CTO at Aggregage

Software leaders who are building applications based on Large Language Models (LLMs) often find it a challenge to achieve reliability. It’s no surprise given the non-deterministic nature of LLMs. To effectively create reliable LLM-based (often with RAG) applications, extensive testing and evaluation processes are crucial. This often ends up involving meticulous adjustments to prompts.

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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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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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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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Entity Resolution Checklist: What to Consider When Evaluating Options

Are you trying to decide which entity resolution capabilities you need? It can be confusing to determine which features are most important for your project. And sometimes key features are overlooked. Get the Entity Resolution Evaluation Checklist to make sure you’ve thought of everything to make your project a success! The list was created by Senzing’s team of leading entity resolution experts, based on their real-world experience.

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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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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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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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