Toptal Engineering Blog

A comprehensive tutorial on how to log SSH activity—minus sensitive input, like passwords—occurring in Linux AWS EC2 instances to either CloudWatch Logs or S3 buckets.

While good engineering managers can code, great ones can also communicate. Written communication is integral to the management and scaling of engineering teams, says Juan Pablo Buritica, who has led several successful teams of engineers.

How source code becomes a running program is often opaque: "Just run the compiler" is all that developers normally need to know. Writing an interpreter from scratch—including its lexer and parser—is an illuminating challenge.

Visual regression testing is not a new concept. Toptal engineers routinely use it, but with looming deadlines, they sometimes need to innovate and improvise. This article demonstrates how Toptal QA specialists leveraged UI testing and Cypress to run visual regression tests without resorting to specialized tools.

Researchers snuck vulnerabilities past the peer-review process and into the open-source Linux kernel codebase. What does this mean for the ubiquitous Linux kernel, and open source in general?

Our Express.js REST API series ends with a bang! Learn how to add a Dockerized MongoDB instance, Mongoose, JWT authentication, user permissions, and automated testing with Mocha, Chai, and SuperTest.

While React is often lauded for making front-end development more efficient, this popular library can be problematic for search engines. In this article, Toptal Data Visualization Engineer Vineet Markan examines why React is challenging for SEO and outlines what software engineers can do to improve the search rankings of React websites.

Indexes and partitioning can help with SQL performance, but they're not cure-alls. Through everyday examples of date range and LIKE queries, find out how to "think like an RDBMS" to make yours run faster.