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.

authors 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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authors 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.

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

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React Router Tutorial: Redirect Like a Pro

Naive React routing increases risk and maintenance. This tutorial provides a full exploration of routing approaches, achieving an elegant solution that seamlessly fits into any React code base.

7 minute readContinue Reading

Nathan Babcock

Nathan is a front-end and full-stack developer, and an expert in streamlining UI/UX with React. As the lead design engineer at Motorola Solutions, he marshaled an internal product that included React, Angular, Svelte, and native web components from prototype to corporatewide deployment—garnering more than 100,000 downloads.

Listening is everything—especially when it comes to effective marketing and product design. Gain key market insights from social media data using sentiment analysis and topic modeling in Python.

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Federico Albanese

Federico is an expert Python developer and data scientist who has worked at Facebook, implementing deep learning models. He is a university lecturer, and his PhD research focuses on natural language processing and machine learning.

Explore X (formerly Twitter) data clusters to uncover user behaviors (e.g., repost and reply patterns) within online communities. This guide focuses on a politically charged data set to illustrate the process of visualizing and analyzing social data.

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Juan Manuel Ortiz de Zarate

Juan is a developer, data scientist, and doctoral researcher at the University of Buenos Aires where he studies social networks, AI, and NLP. Juan has more than a decade of data science experience and has published papers at ML conferences, including SPIRE and ICCS.

Supply Chain Optimization Using Python and Mathematical Modeling

Improving supply chains is a top priority worldwide. Discover how mathematical optimization and Python coding can help keep a complex supply chain competitive.

14 minute readContinue Reading

Michael Hopf

Michael is a developer, data science consultant, and expert in supply chain optimization for heavy industry clients in rail, vessels, and mining. He has a PhD in mathematical optimization and was a consultant in the analytics practice of McKinsey & Company’s QuantumBlack for four years.

Unit Testing in Flutter: From Workflow Essentials to Complex Scenarios

Incorporate comprehensive unit testing into your Flutter project to ensure best practices and reduce bugs before—not after—the app’s release.

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Dacian Florea

Dacian is a senior full-stack mobile applications developer, a Flutter expert, and a contributor to the Flutter framework. He helps companies around the world design and implement quality software solutions and deliver excellent user experiences.

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.