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SSH Logging and Session Management Using AWS SSM

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
Vimal Paliwal

Vimal Paliwal

A certified AWS expert with a master’s degree in computer security, Vimal specializes in automating the cloud with Terraform, Kubernetes, and Python.

How to Approach Writing an Interpreter From Scratch

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
Sakib Hadžiavdić

Sakib Hadžiavdić

A back-end expert, Sakib is the creator of the static site generator Hepek. Always learning, he writes tutorials in English and Bosnian.

Visual Regression Testing With Cypress: A Pragmatic Approach

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
Rafael Anachoreta

Rafael Anachoreta

Rafael is a senior QA engineer with nearly 10 years of experience working with testing, automation, and monitoring to make teams and products better.

University of Minnesota Linux Ban Prompts Questions About Open Source

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
Michael J. McDonald

Michael J. McDonald

Michael J. McDonald is an award-winning journalist who has worked at Bloomberg News and Thomson Financial.

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

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
Marcos Henrique da Silva

Marcos Henrique da Silva

Marcos has 17+ years in IT and development. His passions include REST architecture, Agile development methodology, and JS.

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React SEO Strategies and Best Practices

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.

13 minute readContinue Reading
Vineet Markan

Vineet Markan

Vineet specializes in building data visualization interfaces and has used React extensively in his projects.

Solving Bottlenecks With SQL Indexes and Partitions

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
Mirko Marović

Mirko Marović

Mirko designs and develops massive, extreme-workload databases. He also trains software developers on databases and SQL.

Toptal Engineering Expert

Gabriel Courtemanche

Gabriel is a highly efficient and reliable professional who possesses a broad skill set for web application development. He's been working on a range of products and clients—from working on scalability problems in production engineering teams at Shopify and Autodesk to launching new applications for startups. Most of his work consists of leading technical teams, by creating an easy development environment, fixing technical debts, providing best practices code examples, and mentoring devs.
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