Toptal Engineering Expert
Magento 2: Revision or Revolution?
Magento 2 was initially greeted with skepticism, but the maturity of the next generation of Magento development has brought on an explosion of new users. In this article, Toptal Freelance Magento Developer Vivek Khatri explains why it’s the top choice for eCommerce sites, new and old.

Vivek Khatri
Vivek is a Magento-certified developer who specializes in creating reliable, scalable e-commerce platforms tailored to client business needs, combining technical expertise with a strong focus on user experience and functionality.
Getting Started With TensorFlow: A Machine Learning Tutorial
TensorFlow is more than just a machine intelligence framework. It is packed with features and tools that make developing and debugging machine learning systems easier than ever.
In this article, Toptal Freelance Software Engineer Dino Causevic gives us an overview of TensorFlow and some auxiliary libraries to debug, visualize, and tweak the models created with it.

Dino Causevic
Dino (BCS) has 6+ years in software development, specializing in back-end and security work using Java, Elasticsearch, .NET, and Python.
Quick Wins in the Enterprise With Salesforce AppExchange
AppExchange offers some solid wins for any company using Salesforce.
In this article, Freelance Salesforce Developer Fahad Munawar Khan explains how easy it is to get up and running with Salesforce AppExchange, and reveals some apps that are must-haves for any enterprise looking to boost their productivity.

Fahad Munawar Khan
Fahad is a Salesforce Certified Force.com Developer and web developer since 2011, including being a senior dev for clients like Honeywell.
From Solving Equations to Deep Learning: A TensorFlow Python Tutorial
TensorFlow makes implementing deep learning on a production scale a breeze. However, understanding its core mechanisms and how dataflow graphs work is an essential step in leveraging the tool’s power.
In this article, Toptal Freelance Software Engineer Oliver Holloway demonstrates how TensorFlow works by first solving a general numerical problem and then a deep learning problem.

Oliver Holloway
Oliver is a versatile full-stack software engineer with more than 7 years of experience and a postgraduate mathematics degree from Oxford.
Create Data From Random Noise With Generative Adversarial Networks
Generative adversarial networks, among the most important machine learning breakthroughs of recent times, allow you to generate useful data from random noise. Instead of training one neural network with millions of data points, you let two neural networks contest with each other to figure things out.
In this article, Toptal Freelance Software Engineer Cody Nash gives us an overview of how GANs work and how this class of machine learning algorithms can be used to generate data in data-limited situations.

Cody Nash
As a data scientist, Cody has used tools including Python and R to explore and deploy analyses on genetic, healthcare and other data sets.
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Intro to Magento: Navigating the Top E-commerce Ecosystem
In this article, Toptal Freelance Magento Developer Daniel Cuevas Zamora gives a broad overview of one of the most popular eCommerce platforms and how to get started with it.

Daniel Cuevas Zamora
Daniel is a senior certified Magento developer with experience working with Laravel and Zend frameworks and various JavaScript frameworks.
Get Started With IoT Development: An ESP8266 Arduino Tutorial
In this tutorial, Toptal Freelance Software Engineer John R. Kosinski will demonstrate a simple Amazon Alexa hack using quintessential Arduino skills and basic hardware.

John R. Kosinski
As a full-stack dev for nearly two decades, John’s worked with IoT, Blockchain, web, and mobile projects using C/C++, .NET, SQL, and JS.
Broad vs. Narrow Skillsets: Software Engineering Skills Demystified
In this article, Toptal Freelance Software Engineer Tiberius Florea outlines the difference between deep and broad skillsets and explains why broadening your skillset may further your career.

Tiberius Florea
Tiberius is an award-winning full-stack developer who has worked for Google. He also interned at Facebook and Microsoft.
An Introduction to Computability Theory and Complexity
What is a computer? What are the limitations of a computer? Are there problems that a computer cannot solve?
In this article, Toptal Freelance Software Engineer Mehmet Bajin explores the fundamentals of computation and the impact they have on computability and complexity.

Mehmet Bajin
With experience at Google, Exxon, and a Master’s in CS, Mehmet’s deep expertise serves him well as a full-stack javascript developer.
Database Design Bad Practices: Are You Making These Mistakes?
Flaws in your database design are like cracks in your application’s foundations. If left unchecked, trying to fix them down the line will be costly to say the least.
In this article, Toptal Freelance Software Engineer Fernando Martinez discusses some of the most common database design bad practices and how to avoid them.

Fernando Martinez
Fernando is a veteran systems and computing engineer with 30 years of experience. He has developed in Java, C#, SQL Server, and more.
A Guide to Static Site Generators Using Hexo and WordPress
In this article, Toptal Freelance Software Engineer Silvestar Bistrovic explains the process of migrating a WordPress blog to a static site generator using Hexo, outlining the pros and cons of the approach.

Silvestar Bistrović
Silvestar is a fearless web developer, JAMstack enthusiast, and WordPress coder. His focus is performance and pixel-perfect implementation.
An Elasticsearch Tutorial for .NET Developers
Elasticsearch is one of the most powerful full-text search engine solutions out there. Using the NEST package, you can easily leverage the power of Elasticsearch in your .NET projects.
In this article, Toptal Freelance Software Engineer Ivan Cesar shows how Elasticsearch can solve real-world full-text search problems in your .NET projects.

Ivan Cesar
Ivan has a decade of work on projects of all sizes, mostly using .NET technologies. He also likes to take part in algorithm competitions.
Android and iOS UI Testing with Calabash
Do you think testing your iOS or Android apps manually is faster than writing automated tests for them? Calabash, the cross-platform acceptance framework, busts that myth once and for all.
In this article, Toptal Freelance Software Engineer Alexander Gedevanishvili shows how Calabash, with its support for Cucumber, makes writing automated UI tests as simple as writing instructions in plain English.

Alexander Gedevanishvili
Alexander is an accomplished full-stack developer with more than a decade of experience. He is passionate about mobile development.
Creating Truly Modular Code With No Dependencies
Complex, tightly-coupled, and fragile interdependent code. We’ve all written it. The kind of code where fixing one bug creates seven more. Have you ever wondered how to create independent modular code?
In this article, Toptal Freelance Software Engineer Konrad Gadzinowski walks us through the different types of architectural paradigms you can adhere to and how to write modular and decoupled code where changes to one module have minimal impact on the overall application.

Konrad Gadzinowski
Konrad specializes in creating modular, full-stack web applications that are easy to extend. His main expertise is Java and JavaScript.
Software Entropy Explained: Causes, Effects, and Remedies
In this article, Toptal Freelance Developer Adam Wasserman explains what software entropy is, what causes it and how it manifests itself, and what can be done to prevent it or mitigate its effects.

Adam Wasserman
Adam is particularly interested in multi-threaded programming and distributing computing and considers himself an excellent communicator.
Implementing Serverless Node.js Functions Using Google Cloud
Serverless computing is an architecture style in which the code is executed in a cloud platform where we don’t need to worry about the hardware and software setup, security, performance, and CPU idle time costs. It’s an advancement of cloud computing that goes beyond infrastructure that abstracts the software environment as well. It means no configuration is required to run the code.

Vignes Aruljothi
Vignes specializes in web technologies and has many years of experience in building scalable applications using JavaScript and Node.js.
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