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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A Kubernetes Service Mesh Comparison

by Guillaume Dury

As microservices architecture continues to evolve, interservice communication has become a significant challenge to manage. Service meshes are becoming the standard solution, but how do popular and up-and-coming service meshes compare?

25 minute readContinue Reading
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Watch Our Webinar: Leading a Distributed Engineering Team

by Toptal Publications

Toptal was an early adopter of an all-remote business model. As one of the leading remote workforces worldwide, Toptal strives to engage with other thought leaders and innovators in this space. In our latest on-demand webinar, Toptal Engineering Manager Marco Santos talks with James Bourne, Editor-in-Chief of TechForge Media, about best practices for remote engineering teams.

< 5 minute readContinue Reading
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Creating Live Dashboards With Airtable and React

by Dylan Golow

Reporting and visualizing data is crucial to businesses of all sizes. Dashboards allow users to efficiently access and use this data for a range of business operations. In this article, Toptal Full-stack Engineer Dylan Golow demonstrates how he created a powerful dashboard for telemedicine using Airtable, Typeform, and React.

12 minute readContinue Reading
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Building a Node.js/TypeScript REST API, Part 2: Models, Middleware, and Services

by Marcos Henrique da Silva

The Express.js REST API journey continues! Move from models to full DAOs and DTOs, validate requests with middleware, separate services from controllers, and prepare for a real database.

17 minute readContinue Reading
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Machine Learning Number Recognition - From Zero to Application

by Teimur Gasanov

Harnessing the potential of machine learning for computer vision is not a new concept but recent advances and the availability of new tools and datasets have made it more accessible to developers. In this article, Toptal Software Developer Teimur Gasanov demonstrates how you can create an app capable of identifying handwritten digits in under 30 minutes, including the API and UI.

10 minute readContinue Reading
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Billing Extraction: A Tale of GraphQL Internal API Optimization

by Maciek Rząsa

Extracting functional components from a monolithic app into a service can be a daunting task but choosing the right tools and techniques for the job can expedite the process. In this article, Toptal Back-end Engineer Maciek Rzasa recounts how his team extracted billing functionality from the Toptal platform and how they overcame a series of performance issues.

11 minute readContinue Reading
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Software Engineer Performance Reviews Explained

by Nermin Hajdarbegović

Software development is a complex process and evaluating the performance of software engineers can be too. It is important that you find the right balance between that complexity and practicality in software engineer performance reviews. In this article, Toptal Engineering Blog Editor Nermin Hajdarbegovic outlines the difference between commonly used performance review models and discusses how they should be employed.

11 minute readContinue Reading
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WebAssembly/Rust Tutorial: Pitch-perfect Audio Processing

by Peter Suggate

WebAssembly gives near-native performance to web apps and allows languages other than JavaScript—plus their libraries—to be used on the web. This tutorial leverages Rust and the Web Audio API to make a basic guitar tuner app that runs at 60 FPS, even on mobile.

24 minute readContinue Reading

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