Toptal Engineering Blog

Created by Google as an in-house testing tool, EarlGrey was open-sourced in 2016, and it quickly gained a sizable following in the iOS developer community. In this article, Toptal Senior QA Automation Engineer Ciprian Balea explains why the Toptal talent app is tested using EarlGrey and demonstrates why you should consider it, too.

The Spring Security framework is the de facto industry standard when it comes to securing Spring-based apps, but it can be tricky to configure. In this article, Toptal Software Engineer Ioram Gordadze demonstrates how you can implement it without wasting too much time.

Pandoc is a software package capable of converting documents into various formats, and since it’s available as a Docker image, it’s easy to run. In this article, Toptal Site Reliability Engineer (SRE) Phillip Edwards demonstrates how you can easily create a robust publication chain using Pandoc, Docker, and a pinch of Markdown.

Adopting declarative-style programming techniques allows teams to create web applications that are easier to extend and maintain. In this article, Toptal Full-stack Developer Peter Suggate demonstrates how to leverage declarative programming and finite-state machines in JavaScript.

Mastering your IDE can go a long way toward improving productivity. However, many are reluctant to dive into customization and optimization. In this article, Toptal JavaScript Developer Boris Yordanov explains how you can become a VSCode power user by leveraging official documentation and using a few practical tools.

As patterns go, REST APIs are so useful and ubiquitous that every web developer, regardless of language or platform, should know how to build one. In this article, Toptal Freelance JavaScript Developer Marcos Henrique da Silva shows how to create a simple and secure REST API for user management on Node.js.

Good programming language frameworks make it easy to produce quality products faster. Great frameworks even make the whole development experience enjoyable. FastAPI is a new Python web framework that’s powerful and enjoyable to use.

Data quality is a crucial element of any successful data warehouse solution. As the complexity of data warehouses increases, so does the need for data quality processes. In this article, Toptal Data Quality Developer Alexander Hauskrecht outlines how you can ensure a high degree of data quality and why this process is so important.