November, 2016

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Dockerizing MySQL at Uber Engineering

Uber Engineering

Uber Engineering’s Schemaless storage system powers some of the biggest services at Uber, such as Mezzanine. Schemaless is a scalable and highly available datastore on top of MySQL ¹ clusters. Managing these clusters was fairly easy when we had … The post Dockerizing MySQL at Uber Engineering appeared first on Uber Engineering Blog.

MySQL 111
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The State of Frontend at Zalando 2016

Zalando Engineering

After seeing the State of JavaScript survey make headway online, we thought it would be interesting to do the same for Zalando to get a better understanding about what technologies and frameworks we’re using here. For the JavaScript survey, participating developers answered questions on topics ranging from frontend frameworks and state management, to build tools and testing libraries.

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What career path should I take to become a Hadoop Developer?

ProjectPro

Having worked your way up in the IT totem pole in the same job role, you have decided this is the best to find new horizons, new environment and a new gig in the big data domain. Starting a new career is exciting but it is not easy as lot of analysis goes into choosing a new career path. Let’s help you out with some detailed analysis on the career path taken by hadoop developers so you can easily decide on the career path you should follow to become a Hadoop developer.

Hadoop 52
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Crafting Effective Microservices in Python

Zalando Engineering

TL;DR: The API-first approach combined with Connexion are powerful tools to create effective microservices. The use of API-first brings the benefit of creating APIs that fulfil the expectations of your clients. Besides that, using Connexion will help you develop APIs in Python in a smooth manner. Google’s acquisition of Apigee emphasises how important APIs are in today’s architecture of applications.

Python 40
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Beyond the Basics of A/B Tests: Innovative Experimentation Tactics You Need to Know as a Data or Product Professional

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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Getting Down to Business with our Techsperts

Zalando Engineering

We’re almost at the end of this year’s Zalando Techspert Series run, but before we have our last hurrah of the year, we’ve had some great input from Berlin companies about picking the right business model. Our SVP Products, Philipp Erler, was joined by Daniela Cecílio, CEO of fashion search tool Asap54 and Martin Kütter, COO of the world’s first language learning app, Babbel.

Systems 40
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A Closer Look at Elasticsearch Express

Zalando Engineering

Elasticsearch is a technology that has been gaining popularity lately at Zalando Tech. We’ve learned that it’s a state of the art tool, and in the hands of a data artist can be used to design data models to conquer information retrieval challenges at a very large scale in a performant, distributed manner. The success of Elasticsearch as a technology is due to the various use cases it fits.

AWS 40

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Why Did I Decide to Become a Producer?

Zalando Engineering

It may sound like a cliche, but I love working with people – especially engineers. The energy, creativity, and innovation that comes out of the software development process is like a never ending tank of fuel. Producers at Zalando are the organizational engines of their teams. We’re responsible for managing product releases, external project dependencies and deliverables, as well as refining requirements, features, and user stories.

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Angular2: Final Release Unit Test Migration Guide

Zalando Engineering

I am not a fan of the Angular-way in Angular1, as I think it looks rather strange. Nevertheless, Angular2 gives a much better impression in terms of code structure, code purity, and scalability. While they didn’t reinvent the wheel, its creators have built something interesting and spectacular that stacks up well against modern frameworks (React and Redux, Aurelia, etc.).

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Bootcamp for Fashpreneurs – Reimagining Online Fashion

Zalando Engineering

As Europe's largest online fashion platform with a vision to connect all players in the fashion business, we want to open up even more to the startup community by doing what we know – encouraging the next generation of fashpreneurs to scale tech in fashion. There is an ocean of opportunity out there, from the latest developments in AR/VR technology to the new wave of content creators shaking up the brand game.

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Delivering a Cross-Site Project

Zalando Engineering

You may have heard recently from one of the many media outlets about the launch of Collabary , the content creator platform from Zalando. This showcases the perfect merger of enriched data with a high quality frontend application. In this blog post I’d like to give my lessons learnt from being part of the team involved in this project, based here in Dublin.

Project 40
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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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The Sprint Exposed – How we Use it at Zalando

Zalando Engineering

The Design Sprint (or just The Sprint) is the process introduced by Google Ventures and Jake Knapp, author of “ The Sprint ”. The main method idea is to answer the most critical project questions and doubts in just one week. There’s no endless brainstorming sessions, no coding – just short, highly energetic activities that push your product forward.

IT 40
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Recap of Hadoop News for October

ProjectPro

News on Hadoop-October 2016 Microsoft upgrades Azure HDInsight, its Hadoop Big Data offering.SiliconAngle.com,October 2, 2016. Microsoft and Hortonworks Inc. product Azure HDInsight is a managed Hadoop service that gives users access to deploy and manage hadoop clusters on the Azure Cloud. Microsoft has upgraded this cloud based platform with new security enhancements and a performance boost that the company states will speed up Big Data queries 25x.

Hadoop 40
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Hadoop Architecture Explained-What it is and why it matters

ProjectPro

Understanding the Hadoop architecture now gets easier! This blog will give you an indepth insight into the architecture of hadoop and its major components- HDFS, YARN, and MapReduce. We will also look at how each component in the Hadoop ecosystem plays a significant role in making Hadoop efficient for big data processing. Table of Contents Hadoop Architecture - The Inception How do Businesses Leverage the Hadoop Application Architecture?

Hadoop 40
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Doing Data Science the Cloud and Distributed Way

Zalando Engineering

Our team have been building data science products together for almost one year now. We believe that data scientists and data engineers should work closely together, yet we understand the differences in the environments and tasks that each of us perform. In this vein, we have iterated the way we do data science, specially early stage exploratory data science with large datasets.

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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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The RecSys’16 Review

Zalando Engineering

This year was RecSys’ 10th anniversary, and we were lucky enough to be in attendance. The evolution of the conference is great to see – it has grown from a mid-size event beginning in 2009, to an ever-sold-out conference in the past few years, with one of the bests mixes of industry and academia you can find. It also has an open and welcoming community, where the standard of work being presented is incredibly high.

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How InnerSource bolstered integration for Local Order Fulfillment

Zalando Engineering

Our tech organization is always looking for ways to improve its systems and processes – we’re constantly striving to be better. To increase team autonomy and improve delivery time, we’re currently piloting InnerSource, a development approach that applies open source principles to the way companies develop software internally. Our initial pilot of the approach focused on teams working within product clusters whose work presented opportunities for cross-collaboration.

Retail 40
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The Art of Mob Programming

Zalando Engineering

As a Producer at Zalando, our roles are instrumental in supporting development teams achieve excellence when delivering software. We help them by creating an environment where every team member can give their best. A few months ago, I read an article written by Woody Zuill about Mob Programming , a fairly new concept based on how we approach teamwork in software development.