September, 2015

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Why Zalando Is Celebrating “Mobile First Day”

Zalando Engineering

Pretend for a moment that you work in a dynamic, multinational ecommerce company, and that you are tasked with getting your +9,000 coworkers to think, support and believe in “Mobile First.” How, and where, do you begin? Zalando’s Mobile First team has been wrestling with this idea all year, and has come up with three key ingredients: A solid, easy-to-understand definition of what it means to be “Mobile First.

Finance 52
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What are the Pre-requisites to learn Hadoop?

ProjectPro

Hadoop has now been around for quite some time. But this question has always been present as to whether it is beneficial to learn Hadoop, the career prospects in this field and what are the pre-requisites to learn Hadoop? To address each of these questions in detail, our counsellors work tirelessly to keep themselves updated with the industry news and provide the best advice to people regarding - who can learn Hadoop and the career prospects in Hadoop.

Hadoop 52
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Service-Oriented Architecture: Scaling the Uber Engineering Codebase As We Grow

Uber Engineering

Like many startups, Uber began its journey with a monolithic architecture, built for a single offering in a single city. At the time, all of Uber was our UberBLACK option and our “world” was San Francisco. Having one codebase seemed … The post Service-Oriented Architecture: Scaling the Uber Engineering Codebase As We Grow appeared first on Uber Engineering Blog.

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ProjectPro Reviews: Online Hadoop Training Class of July 25 2015

ProjectPro

The Hadoop online training session at ProjectPro is conducted through 42 hours of live webinar session where an industry expert explains all the tools in Hadoop in detail. HDFS, MapReduce, Hive and Pig are taught using hands on examples and projects. Hadoop admin tools like Oozie and Zookeeper are also covered to provide a comprehensive Hadoop developer training.

Hadoop 52
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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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My First Weeks as a Zalando Tech Engineer in Dortmund

Zalando Engineering

In mid-July, I joined Zalando’s engineering team in Dortmund as a Java engineer working on the Payments team. All Zalando new hires spend their first few weeks (usually four) being onboarded in Berlin. Pretty cool, right? But not so optimal if you and your girlfriend are expecting a baby at any moment, as was true in my case. As any new hire might be, I was a bit hesitant to tell my new team that I had to say “no” to something as crucial as onboarding.

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Order Processing at Scale with Camunda (Slides)

Zalando Engineering

Last week my colleague I presented at Camunda Community Day : An all-day event highlighting the latest developments in the Camunda BPM Network (BPMN) engine. This wasn't my first talk at Camunda: In March, some of my colleagues and I presented our prototype for running Camunda on Cassandra. This time around, I focused on how we've been using Camunda to implement our sales order process within our evolving microservice architecture.

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ProjectPro Reviews: Online Training in Hadoop Class of Aug 8 2015

ProjectPro

A lot of companies today are looking for Big Data solutions to maintain a competitive edge in the market. Industries are adopting Hadoop at a huge scale. The popularity of Hadoop is mainly because of its unique distributed computing system which stores and analyses data both structured and unstructured. Due to the fast adoption of Hadoop by the industries, a huge gap has been created in the demand and availability of qualified Hadoop developers.

Hadoop 40
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ZMON: Zalando's Open Source Monitoring Tool (Slides)

Zalando Engineering

Recently Zalando Database Engineer Jan Mußler stopped by our Fashion Insights Centre in Dublin to tell the DevOps Dublin crowd about ZMON : Zalando's open source monitoring solution. In late 2013, Zalando’s technology team maxed out on our Icinga/Nagios infrastructure both performance-wise but (especially) in terms of manageability. Taking advantage of our annual Hackweek—a weeklong event for Zalando technologists to build, play and experiment independently—Jan and other Zalando engineers built

SQL 40
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Meet Zalando Tech at Career Zoo

Zalando Engineering

Since the April 2015 opening of Zalando’s Fashion Insights Centre at the Silicon Docks, Zalando’s tech team in Dublin has grown faster than we had anticipated. But our search for the best data science and software engineering talent remains in full-speed-ahead mode, which is why we’re proudly sponsoring this year’s Career Zoo : Ireland’s leading event for tech networking and hiring.

Retail 40
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Zalando Opens New Playground for Tech Innovation

Zalando Engineering

Ever wish you could build an Arduino or play with Legos on the job? If you’re a Zalando technologist, now you can! Recently we launched The Shuttle, a dedicated place for members of our tech team to stretch themselves creatively, let our imaginations run wild, and build things. Housed on the ground floor of our tech office in Berlin, the Shuttle is an initiative designed with our Radical Agility approach in mind- a dedicated place to enable group and individual innovation and ideation.

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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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On APIs and the Zalando API Guild

Zalando Engineering

Working at Scale Our engineering teams enjoy end-to-end ownership of their work, which enables us to preserve our start-up spirit and ability to experiment in the face of explosive growth (+800 technologists and counting). They’re also responsible for all software provisioning and quality-related aspects — including design, implementation, code review, testing, continuous integration, and operation.

Scala 40
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MapReduce vs. Pig vs. Hive

ProjectPro

Table of Contents MapReduce vs. Pig vs. Hive - Comparison between the key tools of Hadoop Coding Approach Using Hadoop MapReduce Coding Approach Using Pig and Hive In Conclusion – MapReduce vs. Pig vs. Hive MapReduce vs. Pig vs. Hive - Comparison between the key tools of Hadoop Google’s CEO, Eric Schmidt said: “There were 5 exabytes of information created by the entire world between the dawn of civilization and 2003.

Hadoop 40
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A Zalando Tops “Most Read Data Science Articles” List

Zalando Engineering

This week the blog/e-newsletter Data Science Weekly released their list of the “Most Read Data Science Articles of 2015.” We were pretty excited to see that our very own Mikio Braun topped the list with his article, “Three Things About Data Science You Won’t Find In the Books.” Mikio joined Zalando in August 2015 as a Delivery Lead, Recommender Systems & Search.

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Building an OpenVPN Cluster, Zalando-Style

Zalando Engineering

Since Zalando’s earliest days, members of our technology team have been able to use OpenVPN to work anywhere, anytime. Back then (the late 2000s), we had only a single (though state-of-the-art) instance to work with, and a lot of manual maintenance to perform. Last year, in light of a years-long period of explosive growth, our team realized that we needed to build something scalable, fully redundant, and easier-to-maintain for hundreds of users.

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How to Build an Experimentation Culture for Data-Driven Product Development

Speaker: Margaret-Ann Seger, Head of Product, Statsig

Experimentation is often seen as an aspirational practice, especially at smaller, fast-moving companies who are strapped for time and resources. So, how can you get your team making decisions in a more data-driven way while continuing to remain lean and maintaining ship velocity? In this webinar, Margaret-Ann Seger, Head of Product at Statsig, will teach you how to build an experimentation culture from the ground-up, graduating from just getting started with data-driven development to operating

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Data Integration in a World of Microservices

Zalando Engineering

There’s not much one can say in favor of big, monolithic enterprise applications. Not only does the typical monolith become an inextricable mess of interdependencies — it also hinders development teams from moving quickly when trying out new ideas. Yet the monolith does present one advantage: Its consolidation of data in a single place makes business intelligence fairly simple.