Toptal Blog

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

Toptal core team members share their experience, expertise, and perspectives on the Toptal Edge Blog

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Supply Chain Optimization Using Python and Mathematical Modeling

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

Michael Hopf

Michael is a developer, data science consultant, and expert in supply chain optimization for heavy industry clients in rail, vessels, and mining. He has a PhD in mathematical optimization and was a consultant in the analytics practice of McKinsey & Company’s QuantumBlack for four years.

Fintech Product Development: How to Embrace Innovation in a Complex Industry

Managing fintech products can be a complex affair for product managers new to the sector. Use these expert tips to develop reliable gateways for businesses and their customers.

7-minute readContinue Reading

Purva Tamhankar

Purva is a fintech product manager with more than a decade of experience developing solutions for banking, lending, and other financial services. She has held senior product roles at international companies, including associate director of product management at Standard Chartered and assistant vice president of product management at Home Credit India.

Haptics in Healthcare: An Opportunity for Designers to Help Revolutionize Telemedicine

Telemedicine has exploded in recent years, expanding access to healthcare services. But it’s missing an indispensable element of medical care: touch. Enter haptic technology.

10-minute readContinue Reading

Kiran Khan

Kiran is an award-winning Toptal UI/UX designer and expert in healthcare UI/UX. She led the development of VR and AR products for Janssen pharmaceuticals (now Johnson & Johnson) and has also worked on biosensor-based apps that improve users’ sleep patterns and prevent intoxicated people from driving.

Unit Testing in Flutter: From Workflow Essentials to Complex Scenarios

Incorporate comprehensive unit testing into your Flutter project to ensure best practices and reduce bugs before—not after—the app’s release.

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Dacian Florea

Dacian is a senior full-stack mobile applications developer, a Flutter expert, and a contributor to the Flutter framework. He helps companies around the world design and implement quality software solutions and deliver excellent user experiences.

The KPI Cure: How Healthcare Data Analytics Can Improve Medical Center Finances

Runaway costs have plagued the US healthcare system for decades, and providers are always looking for ways to increase efficiency without jeopardizing care. Developing smarter key performance indicators can help.

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Sean Heberling

Sean is a Chartered Financial Analyst who serves as the founder and CEO of Marion Street Capital, a management consulting firm that has saved healthcare providers millions through the development of KPIs. Previously, he worked at Morgan Stanley and BNY Mellon. Sean has analyzed 10,000+ companies, built complex models, and helped facilitate investment transactions totaling in excess of $1 billion. Additionally, he is on the boards of several companies, advising on operations, growth strategy, and fundraising.

Identifying the Unknown With Clustering Metrics

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.

12-minute readContinue Reading

Surbhi Gupta

Surbhi is a data scientist and developer with expertise in machine learning and robotics. A former senior data science engineer at Utopia Global, her experience ranges across ML fields including NLP, computer vision, and OCR. She has a master’s degree in mechatronics, and has published research in the field of robotics and optimization.

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

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

Iliyan Germanov

Iliyan is an Android developer and CTO who has founded four startups and created several top-rated apps, including Ivy Wallet, which has received 10 YouTube tech community “best UI/UX” awards. He specializes in functional programming, UX, Kotlin, and Haskell.

You’ve Landed Your Next Scrum Master Job. Now What?

The first days in a new position can be confusing and lead to avoidable mistakes. These Scrum master best practices will help you become the servant-leader your team needs.

9-minute readContinue Reading

Anna Zakoyan

Anna is an Agile coach, senior Scrum master, trainer, and consultant with 16 years of experience in project and team management. She has helped more than 50 companies, including SGS Digicomply, Krisp, Ucraft, HSBC, Ameriabank, and Joomag, transform how teams collaborate and how work gets done.

The Foundations of Functional Reactive Programming in Android

This tutorial explores the mathematical concepts behind two key programming paradigms, functional programming and reactive programming, so you can build long-lasting Android architecture.

12-minute readContinue Reading