Toptal Engineering Expert
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.
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.
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.
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.

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.
Streamline Event-driven Microservices With Kafka and Python
With the rise of big data, cloud, and streaming platforms, monolithic apps just won’t do. Here’s a blueprint for an adaptable and scalable event-driven microservices project using Kafka and Python.

Dmitry Shurov
Dmitry is a software developer and Python expert. He has eight years of experience at companies such as Kaspersky and FABLEfx, and has developed multiple microservices systems across the globe using Kafka and Python.
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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.

Dmitrii Bolotov
Dmitrii is a solution architect and developer with deep expertise in SQL, NoSQL, and Kubernetes. He built big data architecture at RTL’s 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.
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.

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.
World-class articles, delivered weekly.
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