Toptal Blog

Valuation for mature late-stage startups can be tricky: Too developed for guestimate methods, yet still without the depth of data offered by public market companies.

User testing, often confused with usability testing, is an overarching term which helps validate the need for a product. When used with prototypes and the right testing tools, it can help save a product from failure.

Cross-platform mobile apps are increasingly being built with React Native. But how can you scan for QR codes and augment the user’s camera view when they’re present?

There’s nothing heroic about overwhelm. In a world where competition is fiercer than ever, the best of the best will win by protecting their ability to perform and deliver peak results, and that means avoiding burnout. This three-part framework can decrease stress while increasing productivity, creativity, and free time.

The WebSocket protocol is one of the ways to make your application handle real-time messages. The most common alternatives are long polling and server-sent events.

In this article, Toptal Freelance Java Developer Tomasz Dąbrowski shows us how to implement WebSockets with the Spring Boot framework, and use STOMP for effective client-server communication.

The only product management conference list you will ever need. It is arranged by month and includes information on location and ticket prices.

When is the most appropriate time to do a website redesign? This case study walks us through a website redesign for a high-end auto company and outlines key issues along the way.

Updating live applications used to be a tedious and somewhat risky affair, but with the emergence of modern development frameworks and tools, updates and deployment are becoming straightforward.

In this article, Toptal Java Developer Elene Latsoshvili explains how you can update a Laravel app with zero downtime, and how this can be done for most PHP applications.

Andrew Graunke, Toptal Head of Enterprise Design, has implemented augmented reality (AR) design projects for dozens of enterprises. Here he outlines his pocket history of AR: from fighter jets to touchless computers to Glow Pucks, AR has already started making waves. Based on his current projects and pipeline, Graunke also blueprints his vision for AR’s future.