Toptal Engineering Blog

Incorporate comprehensive unit testing into your Flutter project to ensure best practices and reduce bugs before—not after—the app's release.

Many developers looking for their next gig claim to have experience with Google’s popular front-end framework. Here, international Angular coach Bo Vandersteene tells hiring managers how to separate the best from the rest.

Clustering in machine learning has a variety of applications, but how do you know which algorithm is best suited to your data? Here's how to amplify your data insights with comparison metrics, including the F-measure.

The functional reactive programming (FRP) paradigm is becoming increasingly mainstream. In this installment, we discuss FRP essentials like system design and libraries, and implement a sample application.

This tutorial explores the mathematical concepts behind two key programming paradigms, functional programming and reactive programming, so you can build long-lasting Android architecture.

Microsoft created a standardized cancellation implementation that has far-reaching capabilities beyond its original use case.

Discover Microsoft .NET's cross-platform development capabilities by building a Dockerized ASP.NET and Entity Framework application on Linux.

At first, JavaScript may seem quite simple. Yet the language is significantly more nuanced, powerful, and complex than one would initially be led to believe. Many of JavaScript's subtleties lead to a number of common problems that keep it from working—10 of which we discuss here—that are important to be aware of and avoid in one's quest to become a master JavaScript developer.