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.

Next.js vs. React: A Comparative Tutorial

Discover the differences between React and Next.js, a framework used by companies like TikTok, Hulu, and Nike to supercharge their web apps. Plus: Learn when and how to use Next.js, including rendering, routing, page, and navigation tips.

9 minute readContinue Reading

Ayyaz Ali

Ayyaz is a full-stack developer, founder, and CTO with eight years of experience in a variety of React and JavaScript frameworks. He has deep expertise in handling product builds, and developed an online education platform that has served more than a million students around the world.

How to Use JWT and Node.js for Better App Security

To protect client data, your system must identify and block uninvited visitors. Create a REST API using Node.js, TypeScript, and Express, enhanced with JWT support.

25+ minute readContinue Reading

Gonzalo Hirsch

Gonzalo is a full-stack developer and expert in secure implementations focused on JavaScript and Node.js. He specializes in solutions for startup companies in finance and education, and has a master’s degree in software engineering from the Instituto Tecnológico de Buenos Aires.

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Reusable State Management With RxJS, React, and Custom Libraries

Discover a powerful RxJS and React approach that adds state management to single-page applications. RxJS provides an elegant, succinct, and comfortable implementation for developers that becomes more effective with custom libraries.

15 minute readContinue Reading

Mark Evans

Mark is a full-stack software engineer who has written applications for major service companies including Intel, Disney, Sky, and Vodafone. He has led React and RxJS teams from prototype through commercial release, and holds master’s degrees in physics from Oxford University and King’s College.

Security in Django Applications: A Pydantic Tutorial, Part 4

Django’s built-in security checker identifies vulnerabilities with ease. Here’s how you can enforce HTTPS redirects to tighten security on your web applications.

8 minute readContinue Reading

Arjaan Buijk

Arjaan is a software engineer and data scientist who creates mission-critical, Python-based cloud solutions focused on Rasa for international banks and insurance companies. He also architects and teaches large-scale Kubernetes solutions. Arjaan founded a company for the resale of manufacturing simulation software that he co-developed.

The Secret Behind Steady App Performance: Asynchronous JavaScript

JavaScript’s default synchronous methods can freeze an application, scaring off end users. Here’s how you can leverage asynchronous JavaScript techniques to increase control over front-end responsiveness.

7 minute readContinue Reading

Muhammad Ammar Ilyas

Muhammad is a full-stack developer with more than a decade of experience delivering web and mobile applications for various companies, including Scopic, Microblink, and Resulta. He has JavaScript expertise ranging across Node.js, Next.js, React, React Native, and headless WordPress solutions.

How C++ Competitive Programming Can Help Hiring Managers and Developers Alike

Programmers gain valuable real-world skills from algorithm competitions that can boost their job prospects—and contest ratings make it easier for hiring managers to find top talent. Explore competitive C++ with a programmer whose scores got them recruited by Google.

9 minute readContinue Reading

Anitet Wheeler-Rose

Anitet is a full-stack engineer and CTO with expertise in C++, JavaScript, and DevOps. A former site reliability and software engineer at Google, Anitet was recruited after achieving an 85th to 90th percentile ranking at algorithm programming competition events.

An Expert Workaround for Executing Complex Entity Framework Core Stored Procedures

Microsoft’s Entity Framework Core is a popular object-relational mapper, but it doesn’t support the return of complex type results from stored procedures. A clever bit of code gets us around this limitation, returning non-database entities with ease.

5 minute readContinue Reading

Pankaj Kansodariya

Pankaj is a back-end developer and Microsoft Certified Professional with more than 18 years of experience within the Microsoft ecosystem, including C#, VB.NET, SQL Server, and cloud computing with Microsoft Azure. He has worked as a .NET developer at companies including Granicus, Gartner, and Jacobs.

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.