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.


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Nathan Babcock

React Router Tutorial: Redirect Like a Pro

By Nathan Babcock
Naive React routing increases risk and maintenance. This tutorial provides a full exploration of routing approaches, achieving an elegant solution that seamlessly fits into any React code base.
7 minute readContinue Reading
Federico Albanese

Strategic Listening: A Guide to Python Social Media Analysis

By Federico Albanese
Listening is everything—especially when it comes to effective marketing and product design. Gain key market insights from social media data using sentiment analysis and topic modeling in Python.
10 minute readContinue Reading

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Juan Manuel Ortiz de Zarate

Mining for Twitter Clusters: Social Network Analysis With R and Gephi

By Juan Manuel Ortiz de Zarate
Explore Twitter data clusters to discover keywords that dominate identified groups. Focusing on a politically slanted data set provides an easy target for analysis.
8 minute readContinue Reading
Michael Hopf

Supply Chain Optimization Using Python and Mathematical Modeling

By Michael Hopf
Improving supply chains is a top priority worldwide. Discover how mathematical optimization and Python coding can help keep a complex supply chain competitive.
14 minute readContinue Reading
Dacian Florea

Unit Testing in Flutter: From Workflow Essentials to Complex Scenarios

By Dacian Florea
Incorporate comprehensive unit testing into your Flutter project to ensure best practices and reduce bugs before—not after—the app's release.
11 minute readContinue Reading
Bo Vandersteene

How to Hire Angular Developers: Key Skills and Knowledge to Look For

By Bo Vandersteene
Many developers looking for their next gig claim to have experience with Google’s popular front-end framework. Here, international Angular coach Bo Vandersteene tells hiring managers how to separate the best from the rest.
14 minute readContinue Reading
Surbhi Gupta

Identifying the Unknown With Clustering Metrics

By Surbhi Gupta
Clustering in machine learning has a variety of applications, but how do you know which algorithm is best suited to your data? Here's how to amplify your data insights with comparison metrics, including the F-measure.
13 minute readContinue Reading
Iliyan Germanov

Future-proof Your Android Code, Part 2: Functional Reactive Programming in Action

By Iliyan Germanov
The functional reactive programming (FRP) paradigm is becoming increasingly mainstream. In this installment, we discuss FRP essentials like system design and libraries, and implement a sample application.
8 minute readContinue Reading

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Marcos Henrique da Silva

Creating a Secure REST API in Node.js

By Marcos Henrique da Silva
14 minute readContinue Reading

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