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Walmart Global Tech Blog

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  • How I Learned to Write Objective Performance Reviews

    How I Learned to Write Objective Performance Reviews

    It wasn’t until 20 years into my career that I learned about unconscious gender bias in performance reviews. I had never really thought…
    Go to the profile of Suzzette Jaskowiak
    Suzzette Jaskowiak
    Jan 21
    Anchor and Lazarus together again?

    Anchor and Lazarus together again?

    On 6 July 2020 SanSec reported that North Korea APT group dubbed Lazarus/HIDDEN COBRA, was performing MageCart style attacks against…
    Go to the profile of Jason Reaves
    Jason Reaves
    Jan 20
    Deep Learning Embedded Clustering on Panel Representation and Value Creation

    Deep Learning Embedded Clustering on Panel Representation and Value Creation

    A Customer Panel is defined by the industry as a representative group of people selected by an organization or business to provide…
    Go to the profile of Ada Shi
    Ada Shi
    Jan 19
    A Markov Chain Formulation of Grocery Item Picking Process

    A Markov Chain Formulation of Grocery Item Picking Process

    A major chunk of Walmart business (and most of its markets outside the US) comes from Grocery. Customers place orders online which are…
    Go to the profile of Aditya Athalye
    Aditya Athalye
    Jan 18
    De-ofuscating GoLang Functions

    De-ofuscating GoLang Functions

    GoLang[8] presents an excellent opportunity for malware developers to create tools that present a challenge to malware researchers and…
    Go to the profile of Jason Reaves
    Jason Reaves
    Jan 12
    Bias, Fairness and Explainability — steps towards building Responsible AI

    Bias, Fairness and Explainability — steps towards building Responsible AI

    Artificial Intelligence (AI) has become a game changer in modern day industries in the last couple of decades. It is predicted that by…
    Go to the profile of Kunal Banerjee
    Kunal Banerjee
    Jan 11
    MAN1, Moskal, Hancitor and a side of Ransomware

    MAN1, Moskal, Hancitor and a side of Ransomware

    Within the last few years most of the major e-crime groups have shifted away from normal banking trojan operations and moved towards…
    Go to the profile of Jason Reaves
    Jason Reaves
    Jan 10
    Introduction to “Reactive” Nature of Distributed Systems

    Introduction to “Reactive” Nature of Distributed Systems

    In the digital era of cloud computing and the Internet of Things, systems and applications are bound to deal with the extensive volume…
    Go to the profile of Vijay Devaraj
    Vijay Devaraj
    Jan 7
    How we rebuilt the Walmart Autocomplete Backend

    How we rebuilt the Walmart Autocomplete Backend

    Prefix Hash Tree vs Trie
    Go to the profile of Shouvik Dutta
    Shouvik Dutta
    Jan 6
    Decoding Memory in Spark — Parameters that are often confused

    Decoding Memory in Spark — Parameters that are often confused

    Apache Spark™ ️is one of the most active open-source projects out there. It keeps on improving on its previous models with each release…
    Go to the profile of Sohom Majumdar
    Sohom Majumdar
    Jan 4
    The Keystone of Happy Teams

    The Keystone of Happy Teams

    Often, I wondered what makes a child think of his/her mother in the time of need, is it love, trust, confidence? I realise now that it is…
    Go to the profile of Ranjitha R
    Ranjitha R
    Jan 4
    Federated GraphQL @ Walmart

    Federated GraphQL @ Walmart

    This post talks about our motivation (Walmart Customer Experience) to adopt Federated GraphQL and some of the use cases & patterns that we…
    Go to the profile of Nidhi Sadanand
    Nidhi Sadanand
    Dec 30, 2020
    Personalization for Search

    Personalization for Search

    Personalization. Everyone’s doing it, so is it even special anymore? Personalization has been a very hot topic these days.
    Go to the profile of Sonu Sharma
    Sonu Sharma
    Dec 27, 2020
    Offline Hustle with Service Worker

    Offline Hustle with Service Worker

    We all love playing the Dino Game to spend our time when we are facing network connection issues. But as a Software Engineer of an…
    Go to the profile of Swapnil Ramdas Chavan
    Swapnil Ramdas Chavan
    Dec 22, 2020
    Expanding Experimentation at Walmart using W3C Trace Context and Baggage

    Expanding Experimentation at Walmart using W3C Trace Context and Baggage

    At Jet.com  — which Walmart purchased in 2016 — we had an in-house built A/B testing solution, Phaser, which made use of a telemetry…
    Go to the profile of Yanardy Sanchez
    Yanardy Sanchez
    Dec 22, 2020
    Building products for consumers, businesses and internal stakeholders

    Building products for consumers, businesses and internal stakeholders

    The role of Product Managers has been gaining importance in the organisations over the past few years and it varies with the…
    Go to the profile of Siva Muraharirao
    Siva Muraharirao
    Dec 21, 2020
    Template Literal Engine

    Template Literal Engine

    This blog was co-authored with the help of Jean Pan
    Go to the profile of Justin Rubin
    Justin Rubin
    Dec 18, 2020
    ONMS- A robust device monitoring system

    ONMS- A robust device monitoring system

    Introduction
    Go to the profile of Arkadip Basu
    Arkadip Basu
    Dec 16, 2020
    Azure Cosmos : Change Feed processor for Java

    Azure Cosmos : Change Feed processor for Java

    Research | Implementation | Performance testing | Findings | Conclusion
    Go to the profile of Inbaraj S
    Inbaraj S
    Dec 14, 2020
    Time Series Similarity Using Dynamic Time Warping -Explained

    Time Series Similarity Using Dynamic Time Warping -Explained

    Find out why DTW is a very useful technique to compare two or more time series signals and add it to your time series analysis toolbox!!
    Go to the profile of Abhishek Mishra
    Abhishek Mishra
    Dec 11, 2020
    Tête-à-Tête -The ChatBot Creator

    Tête-à-Tête -The ChatBot Creator

    “I believe that at the end of the century the use of words and general educated opinion will have altered so much that one will be able to…
    Go to the profile of Rahul Bajaj
    Rahul Bajaj
    Dec 9, 2020
    Decoding WFH Ways-of-Working for more productivity

    Decoding WFH Ways-of-Working for more productivity

    Work From Home, which for most of us started Eight-Nine months back was thought to be something that will last not for a month or two but…
    Go to the profile of Shishir Vashisht
    Shishir Vashisht
    Dec 8, 2020
    Creating React Redux Express Full Stack Application Part-II

    Creating React Redux Express Full Stack Application Part-II

    Introduction
    Go to the profile of Pushpraj Yadav
    Pushpraj Yadav
    Dec 1, 2020
    Creating React Redux Express Full Stack Application Part-I

    Creating React Redux Express Full Stack Application Part-I

    Introduction
    Go to the profile of Pushpraj Yadav
    Pushpraj Yadav
    Dec 1, 2020
    Anatomy of an Open Source Engineer

    Anatomy of an Open Source Engineer

    Open Source coding provides a unique opportunity to the information security community where individuals across many different industries…
    Go to the profile of Gary Simms
    Gary Simms
    Dec 1, 2020
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