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.

Toptalauthors are vetted experts in their fields and write on topics in which they have demonstrated experience. All of our content is peer reviewed and validated by Toptal experts in the same field.
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Toptalauthors are vetted experts in their fields and write on topics in which they have demonstrated experience. All of our content is peer reviewed and validated by Toptal experts in the same field.

Big Data Architecture for the Masses: A ksqlDB and Kubernetes Tutorial

Today’s cloud building blocks empower any size team—even a lone engineer—to build big data solutions. Learn how to use open-source tools to create scalable architecture for your next project.

14 minute readContinue Reading
Dmitrii Bolotov

Dmitrii Bolotov

Dmitrii is a solution architect and developer with more than 11 years of experience and expertise in SQL, NoSQL, and Kubernetes. He built big data architecture at Videoland, founded and acted as CTO for Deetask, a Vietnamese marketplace app similar to Thumbtack, and holds a master’s degree in computer science from Izhevsk State Technical University.

Demystifying Debugging With React Developer Tools

Browser console logging is a hassle. Discover how React Developer Tools and third-party libraries make inspecting components, states, and props and tracking rendering and performance so much easier.

11 minute readContinue Reading
Teimur Gasanov

Teimur Gasanov

Teimur is a senior front-end engineer and React expert with wide-ranging web development experience at companies including Klarna and Clubhouse (now Shortcut).

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Kotlin vs. Java: All-purpose Uses and Android Apps

Kotlin and Java are two powerful general-purpose languages popular for Android and beyond. We’ll discuss their top features and differences, then focus on how to smoothly transition between the two.

13 minute readContinue Reading
Gabriel Gircenko

Gabriel Gircenko

Gabriel is a senior Android engineer with eight years of experience building apps from scratch in Kotlin and Java, and facilitating conversions between the two languages. Gabriel has worked on multimillion-dollar apps and has industry experience at companies like HBO and Yahoo.

How to Deploy Django on Heroku: A Pydantic Tutorial, Part 3

Heroku makes deployment—and redeployment—incredibly simple. Explore Heroku’s Django hosting in this tutorial, and see for yourself.

9 minute readContinue Reading
Arjaan Buijk

Arjaan Buijk

Arjaan is a senior engineer and data scientist who creates mission-critical, Python-based cloud solutions focused on Rasa for international banks and insurance companies. He architects and teaches large-scale Kubernetes solutions.

Investing in Unit Testing: Benefits and Approaches

Stakeholders demand quick fixes for a buggy app release. Such patching is costly, and does not always offer a complete solution. Break the cycle with unit testing, a worthwhile investment in project quality.

10 minute readContinue Reading
Dacian Florea

Dacian Florea

Dacian is a senior full-stack mobile applications developer and a contributor to the Flutter framework. He specializes in rigorous testing solutions that help companies around the world design and deliver quality software applications.

Building Simple and Efficient Components With React-Bootstrap

Mobile web traffic is booming, making responsive website development more important than ever. Leverage the power of two popular technologies with the React-Bootstrap library for performant, responsive components.

8 minute readContinue Reading
Matej Bilić

Matej Bilić

Matej is a full-stack developer with expertise across a variety of back-end and web technologies, including React, React Native, Bootstrap, and Django. He specializes in advanced web applications and built a global, bilingual travel and tourism app using React and React Native.

Heavy Computation Made Lighter: React Memoization

Unnecessary component computation drastically reduces application performance. Avoid this pitfall by using React memoization hooks and render component caching.

11 minute readContinue Reading
Prateek Karki

Prateek Karki

Prateek is a React engineer with more than seven years of experience in web development. An expert in delivering top-tier user experience through the union of engineering and design, he has worked on enterprise-scale solutions in diverse industries including Fresh Tracks Canada and Open Learning Exchange.

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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Previously At

Shopify

Most-read Articles

Marcos Henrique da Silva

Creating a Secure REST API in Node.js

By Marcos Henrique da Silva
13 minute readContinue Reading

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