Toptal Engineering Blog

As products and services deploy faster and faster, quality assurance (QA) has to adapt and deliver more coverage in less time while maintaining high quality. In this article, Toptal Software Engineer Jade Russel Hancox examines how we can use the user flow to boost the speed and efficiency of QA processes without compromising on quality.

Google's Flutter framework has quickly caught on among developers who want to target Android and iOS from the same codebase—and businesses who know the value of a single project team yielding presence in both markets.

Employing a test-driven development (TDD) approach in React projects tends to be straightforward, especially with the aid of Jest and Enzyme. However, there are a few things to look out for. In this article, Toptal JavaScript Developer Dave Hyungmok Lee demonstrates his React TDD process, from epics and user stories to development and production.

A relatively recent addition to React, hooks have already changed React development for the better through improved code readability and state management. But how do we test them? In this article, Toptal React Developer Avi Aryan outlines why it is crucial to test hooks and introduces us to his React Hooks testing routine.

Choosing between infrastructure-as-code tools CloudFormation and Terraform can be arduous. It's helpful to have some advice from someone with practical experience scaling apps using both technologies.

Starting a Spring Boot application in the command line is as simple as it gets. But what if we want to run our application from another Java program? In this article, Toptal Java Developer Igor Delac demonstrates how you can start a Spring Boot app programmatically using just a few lines of code.

The Tanagra.js library is designed to be simple and lightweight, and it currently supports Node.js and ES6 classes. The main implementation supports JSON, and an experimental version supports Google Protocol Buffers.

Retailers often face supply and demand issues that cause them to miss out on potential sales or tie up a lot of money in overstocked products. In this article, Toptal Data Scientist Ahmed Khaled explains how retailers can boost revenues and cut costs with sales forecasts backed by artificial intelligence.