Toptal Engineering Blog

HTTP/3 is on the horizon, but many aren't even familiar with HTTP/2 yet. Find out what HTTP/3 means for web development, administration, and the internet.

Web applications are becoming more popular day by day with stable options like React.js, Angular, and Vue.js. However, a serious competitor may be on the horizon — Svelte. In this article, Toptal freelance software developer Teimur Gasanov introduces Svelte, a new framework for building user interfaces. He does so by walking us through creating a common log-in form used by virtually every type of application.

Micro-frontend architectures decompose a front-end app into individual, semi-independent "microapps" working loosely together. This can help make large projects more manageable, e.g. when transitioning from legacy codebases.

Secure payment processing is a key prerequisite for any eCommerce operation. If it fails, the consequences can be catastrophic for any company, big or small. In this article, Toptal Ruby on Rails Developer Henrique Reinaldo Sarmento outlines how you can create a Ruby on Rails eCommerce app, leveraging PayPal and Stripe for reliable and secure payments.

Unwanted AI bias is already a widespread problem. Machine learning models can replicate or exacerbate existing biases, often in ways that are not detected until release. So what can be done about it?

Functional Programming is a paradigm of building computer programs using expressions and functions without mutating state and data. In this article, we will talk about doing functional programming using JavaScript. We will also explore various JavaScript methods and features that make it possible. In the end, we will explore different concepts associated with functional programming and see why they are so powerful.

WordPress developers spent years struggling with sub-optimal solutions for CI/CD. Despite the fact that they were using the most popular CMS on the market, they often had to improvise and resort to time-consuming practices. In this article, Toptal WordPress Developer Alexa Green shares her approach to WordPress deployment using Bitbucket and some straightforward code.

The successor of the revolutionary ESP8266, the ESP32 is a next-generation microcontroller. Find out how to sample its analog-to-digital converter (ADC) from a timer interrupt using the Arduino IDE.