Toptal Blog

The Toptal Blog is the top hub for developers, designers, finance experts, executives, and entrepreneurs, featuring key technology updates, tutorials, freelancer resources, and management insights.

ProductIcon ChevronProcess and Tools

Source Code QA: It’s Not Just for Developers Anymore

by Costas Voliotis

For product managers concerned about building a solid foundation for product development and eliminating risks, defining and implementing a systematic software QA process is essential.

8 minute readContinue Reading
EngineeringIcon ChevronWeb Front-end

Creating Live Dashboards With Airtable and React

by Dylan Golow

Reporting and visualizing data is crucial to businesses of all sizes. Dashboards allow users to efficiently access and use this data for a range of business operations. In this article, Toptal Full-stack Engineer Dylan Golow demonstrates how he created a powerful dashboard for telemedicine using Airtable, Typeform, and React.

12 minute readContinue Reading
Toptal InsightsIcon ChevronInnovation

The Future of Healthcare Is Virtual

by Matthew M.F. Miller

As work flexibility rises, so must healthcare flexibility. Matt McCambridge, Co-founder and CEO of Eden Health, reveals the future of telemedicine and what today's teams need to stay healthy and happy.

6 minute readContinue Reading
DesignIcon ChevronUX Design

How to Give Professional Design Feedback

by John Challis

When delivered well, constructive design feedback improves the design process and boosts team culture. Four professional designers discuss how to handle design feedback and collaborate productively.

9 minute readContinue Reading
EngineeringIcon ChevronBack-end

Building a Node.js/TypeScript REST API, Part 2: Models, Middleware, and Services

by Marcos Henrique da Silva

The Express.js REST API journey continues! Move from models to full DAOs and DTOs, validate requests with middleware, separate services from controllers, and prepare for a real database.

17 minute readContinue Reading
DesignIcon ChevronUX Design

The Ultimate Experience: A Guide to the Principles of Sensory Design

by Micah Bowers

Digital design routinely ignores neurological factors beyond sight. Sensory design principles emphasize the interconnection of human perception and prompt designers to explore non-visual solutions.

5 minute readContinue Reading
EngineeringIcon ChevronData Science and Databases

Machine Learning Number Recognition - From Zero to Application

by Teimur Gasanov

Harnessing the potential of machine learning for computer vision is not a new concept but recent advances and the availability of new tools and datasets have made it more accessible to developers. In this article, Toptal Software Developer Teimur Gasanov demonstrates how you can create an app capable of identifying handwritten digits in under 30 minutes, including the API and UI.

10 minute readContinue Reading
EngineeringIcon ChevronBack-end

Billing Extraction: A Tale of GraphQL Internal API Optimization

by Maciek Rząsa

Extracting functional components from a monolithic app into a service can be a daunting task but choosing the right tools and techniques for the job can expedite the process. In this article, Toptal Back-end Engineer Maciek Rzasa recounts how his team extracted billing functionality from the Toptal platform and how they overcame a series of performance issues.

11 minute readContinue Reading
EngineeringIcon ChevronEngineering Management

Software Engineer Performance Reviews Explained

by Nermin Hajdarbegović

Software development is a complex process and evaluating the performance of software engineers can be too. It is important that you find the right balance between that complexity and practicality in software engineer performance reviews. In this article, Toptal Engineering Blog Editor Nermin Hajdarbegovic outlines the difference between commonly used performance review models and discusses how they should be employed.

11 minute readContinue Reading

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