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Top JavaScript Agencies

2,000 verified agencies available • Direct contact with verified engineering teams

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2,000 Agencies

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Techlexity

San Francisco, Canada

Top-Rated Custom Web Engineering & SEO Optimization by Techlexity

50-249

$ Min. $10,000+

$100 - $149 / hr

No reviews yet · Write review

</> React </> Next.js </> Node.js +9

Custom Software Development

techlexity.com

Web Development +2

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Monster Code Corporation

Redwood City, Canada

Top-Rated Custom Web Engineering & SEO Optimization by Monster Code Corporation

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Next.js </> Node.js +10

Mobile App Development Web Development

monster-code-...

Web Development +1

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designial

San Ramon, Canada

Top-Rated Custom Web Engineering & SEO Optimization by designial

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

designial.com

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SF AppWorks

San Francisco, Canada

Top-Rated Custom Web Engineering & SEO Optimization by SF AppWorks

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Next.js </> Node.js +9

Custom Software Development

sf-appworks.com

Web Development +1

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Kalamuna

Oakland, Canada

Top-Rated Custom Web Engineering & SEO Optimization by Kalamuna

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> Node.js +7

Custom Software Development Website Optimization Web Development +1

kalamuna.com

Web Development +1

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TP Designs

Pleasanton, Canada

Top-Rated Custom Web Engineering & SEO Optimization by TP Designs

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

tp-designs.com

Web Development +1

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Design Mania

Mountain View, Canada

Top-Rated Custom Web Engineering & SEO Optimization by Design Mania

10-49

$ Min. $5,000+

$50 - $99 / hr

No reviews yet · Write review

</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

design-mania....

Mobile App Development

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Cygnis - Software Development Company

Pleasanton, United States

Full-Stack Custom Web Software, Mobile App Engineering & UI/UX Studio

50-249

$ Min. $5,000+

$100 - $149 / hr

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</> React </> Node.js </> JavaScript +9

Mobile App Development Custom Software Development UI/UX Design

cygnis.media

Web Development +1

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Humanize Designs®

Mountain View, Canada

Top-Rated Custom Web Engineering & SEO Optimization by Humanize Designs®

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

humanizedesig...

Web Development +1

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Trajectus

San Jose, Canada

Top-Rated Custom Web Engineering & SEO Optimization by Trajectus

10-49

$ Min. $5,000+

$50 - $99 / hr

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</> React </> Next.js </> Node.js +7

Custom Software Development Website Optimization Web Development +1

trajectus.com

Web Development +1

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Ugly Duckling Consulting

San Jose, Canada

Top-Rated Custom Web Engineering & SEO Optimization by Ugly Duckling Consulting

10-49

$ Min. $10,000+

$50 - $99 / hr

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</> React </> Next.js </> CSS Modules +10

E-Commerce Development Web Design Website Optimization +1

uglyducklingc...

Web Development +1

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CodeFutures

San Jose

DevOps Engineering & Intelligent Cloud Software Systems

10 - 49

$ Min. $15,000+

$100 - $149 / hr

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</> Node.js </> JavaScript </> Python +4

Custom Software Development Web Design IT Staff Augmentation +2

codefutures.com

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Technology Guide & Market Insights

Hiring JavaScript Agencies: Complete Guide & Overview

JavaScript is a general-purpose programming language used extensively for web development. It runs directly in web browsers for interactive interfaces and can also run on servers, desktop applications, mobile applications, and developer tools. JavaScript supports event-driven and asynchronous programming and has a large ecosystem of libraries and frameworks. It is a core technology for frontend development and is also widely used in full-stack applications through runtimes such as Node.js.

For projects using JavaScript, teams should consider the application's requirements, expected scale, integration points, deployment environment, testing approach, and long-term maintenance. Choosing the technology should also take into account the existing skills of the development team and the libraries or services already used by the product.