Toptal Engineering Blog

The Toptal Engineering Blog is a hub for in-depth development tutorials and new technology announcements created by professional freelance software engineers in the Toptal network. Subscribe today for email updates.

Latest articles

Serializing Complex Objects in JavaScript

The Tanagra.js library is designed to be simple and lightweight, and it currently supports Node.js and ES6 classes. The main implementation supports JSON, and an experimental version supports Google Protocol Buffers.

How to Prevent Feature Creep with User Story Best Practices

Designers should not rely on user stories alone to prevent feature creep. However, working with them provides the critical measurements designers need to deliver products with great user experiences.

Starting an App Business the Right Way

Building an app-based business can be a daunting project: Within such a competitive space, how can you make your app stand out, attract and retain the right audience, and then monetize it?

Optimizing Retailer Revenue with Sales Forecasting AI

Retailers often face supply and demand issues that cause them to miss out on potential sales or tie up a lot of money in overstocked products. In this article, Toptal Data Scientist Ahmed Khaled explains how retailers can boost revenues and cut costs with sales forecasts backed by artificial intelligence.

The Power of Optionality, Part 3: Adapting to New Market Landscapes

Optionality has long been regarded as the only approach that gains value from market landscape volatility. Here’s how to map out an optionality-driven approach during even the most extraordinary times.

K8s/Kubernetes: AWS vs. GCP vs. Azure

Kubernetes ("K8s") won the battle of container orchestration tools. Now AWS, Azure, and Google Cloud each offer a managed Kubernetes version. How do they compare?

Safe & Sound – How to Approach Password UX

For too long, the user experience of password management has been ignored, leading to serious losses for businesses and users alike. It’s time for designers to rethink every aspect of password UX.

API Development in Go Using Goa

Your code is described in your API definition using a Golang Domain Specific Language (DSL), then generated using the Goa CLI, and implemented separately from your application source code.

Quality of Earnings: A Key Pillar of Financial Due Diligence

Financial due diligence is the process of making sure the price of an asset is in line with its operating performance “under the hood.” Assessing the quality of earnings is one of its key tests: How sustainable is the business’ reported financial performance?

Embeddings in Machine Learning: Making Complex Data Simple

Working with non-numerical data can be challenging, even for seasoned data scientists. To make good use of such data, it needs to be transformed. But how? In this article, Toptal Data Scientist Yaroslav Kopotilov will introduce you to embeddings and demonstrate how they can be used to visualize complex data and make it usable.

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