Toptal Engineering Blog

The Toptal Engineering Blog is a hub for in-depth development tutorials and new technology announcements created by professional software engineers in the Toptal network.

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SSH Logging and Session Management Using AWS SSM

by Vimal Paliwal

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.

11 minute readContinue Reading
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The Importance of Written Communication for Engineering Teams

by Stephanie Emma Pfeffer

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.

6 minute readContinue Reading
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How to Approach Writing an Interpreter From Scratch

by Sakib Hadžiavdić

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.

13 minute readContinue Reading
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Visual Regression Testing with Cypress: A Pragmatic Approach

by Rafael Anachoreta

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.

7 minute readContinue Reading
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University of Minnesota Linux Ban Prompts Questions About Open Source

by Michael J. McDonald

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?

6 minute readContinue Reading
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Building a Node.js/TypeScript REST API, Part 3: MongoDB, Authentication, and Automated Tests

by Marcos Henrique da Silva

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.

25+ minute readContinue Reading
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React SEO Strategies and Best Practices

by Vineet Markan

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.

12 minute readContinue Reading
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Solving Bottlenecks With SQL Indexes and Partitions

by Mirko Marović

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.

14 minute readContinue Reading

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