We are Formidable.

The JavaScript Consultancy Trusted By Engineers

Formidable is a global design and engineering consultancy specializing in React.js, React Native, GraphQL, Node.js, and the extended JavaScript ecosystem. We are also an open source software organization known for our many helpful OSS libraries and tools.

Since 2013 our agile team has worked with companies ranging in size from startups to Fortune 100s, to design and build quality software, and level up engineering teams.

Launching a new project? Need help with an existing project? Reach out and learn how to work with us.

Our Work

Starbucks preview image

Starbucks

Store Locator

Using React and Universal Rendering for Faster Load Times, Improved SEO, and Better User Experience

Style Guides preview image

Style Guides

Starbucks and Walmart

Save Time, Money, and Effort by Standardizing the Design System Across All Teams

Walmart preview image

Walmart

Checkout

Auditing Code + Removing Inefficiencies = Increased Performance & Conversions

Our Services

Front-End Service Icon

Design Services

Quality designs that are technically feasible, human-focused, and that help you achieve your business goals.

Learn More
Front-End Service Icon

Front-End Web

Quality front-end architecture that scales across large teams, built by design-savvy engineers.

Learn More
Front-End Service Icon

Backend/Cloud Platform

Enterprise backend systems in Node.js, including service architecture, cloud deployment, performance, and scalability

Learn More
Front-End Service Icon

Performance Testing & Auditing

Improved application metrics with deep code introspection, system-wide optimization, and architecture assessment

Learn More

Work With Us

We partner with our clients to build all manner of digital products. Wherever you are in your product lifecycle, from concept to launch, our team of design and engineering experts will ensure you meet your web or mobile app's goals.

Recent Blog Posts

Building a Feature-Rich CMS with Open Source Softw ...

We recently created a feature-rich CMS that allows users to create new pages from scratch and preview their changes in real time using the same compon ...

Retail in the Time of Coronavirus: Today and Beyon ...

Current pandemic conditions have rapidly accelerated the rate of adoption of digital products in the retail industry. What happens when the shops reop ...

Introducing the New Formidable Brand

Formidable has experienced extraordinary growth in the past few years. Yet, our overall brand was not able to keep up with the increasing burden of ou ...

urql Devtools: The Road to V1

In June 2019 we (the urql team) decided to set an adventurous goal of creating fully-featured developer tool for our GraphQL client. 10+ months, 10+ ...

The Many Benefits of Good Pull Request Description ...

Submitting pull requests (PR) is a key part of our jobs as software engineers. When we take time to write a good PR description we're improving our co ...

Jetpack: trace your way to faster and smaller Serv ...

Want faster-than-ever-before packaging speeds combined with the smallest possible bundle size for your Serverless Framework application? Come meet the ...

Formidable Sightings

HalfStack Online logo

HalfStack Online

Sessions focus on things that use the web platform to express creativity, e.g. music, art, VR, thought computing, robots, games, poetry, comedy, and more.

GraphQL Denver logo

GraphQL Denver

A group for anyone who is interested in talking about GraphQL across all programming languages.

ForwardJS Ottawa logo

ForwardJS Ottawa

Four days of workshops and talks to registrants from the comfort of their browser. Best part is, the talk sessions will be FREE.