Toptal Engineering Expert
The Benefits of Formosa Crypto Wallet Management
Formosa enhances crypto wallet management by leveraging easy-to-remember, themed security sentences rather than traditional and disparate recovery keywords. Formosa is secure, intuitive, and efficient.

Yuri da Silva Villas Boas
Yuri is a security engineer and the creator of the password format Formosa and SRVB, an asymmetric cryptosystem. An expert in the design and verification of protocols and cryptography, his background spans statistics, physics, and mathematics. Yuri has a master’s degree in computer science from Brazil’s Federal University of Santa Catarina.
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.

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.

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.
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.
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.

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.
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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.

Muhammad Ammar Ilyas
Muhammad is a full-stack developer with 10 years of experience delivering web and mobile applications for Resulta and other large marketing firms. 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.

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.
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