Top 100 JavaScript Developers

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Top 100 JavaScript Developers

October 2022

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Developers use JavaScript to make web pages responsive and interactive. JavaScript is a text-based programming language used in web development, typically alongside CSS and HTML. 

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List of the Best JavaScript Development Companies

  • 31
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • L'viv, Ukraine

    Founded in 2015, Incora is a software development firm that offers web development and custom software development to their mid-market, small business, and enterprise clients in the business services, education, and healthcare industries. Their 50 employees are based out of Lviv.

    Clients

    • Ralph Wutscher
    • Sven Crone
    • Thomas Hambridge
    • Grover Righter

    Industries

    Notable Project

    Incora provides custom software development services for an IT consulting company. This involves developing software as a Medical Device (SaMD) system and assisting in other software development projects.

    "Incora has provided very good developers for our projects."

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  • 32
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 10 - 49 employees
    • Montevideo, Uruguay

    Launched in 2018, CreateThrive is a mobile app development company. Their small team is located in Montevideo, Uruguay. Their team specializes in mobile app development, web development, custom software development, and ux/ui design.

    Industries

    Notable Project

    CreateThrive is developing a podcast marketplace’s mobile app. The tool allows brands to reach podcasters, and it also tracks metrics. They’ve used the client’s designs and wireframes to build the app.

    "They understand our mission and can easily adapt to our needs as they arise."

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  • 33
    • Scheduling

      4.5
    • Quality

      4.7
    • Cost

      4.4
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 250 - 999 employees
    • Poznań, Poland

    Based in Poland, STX Next is a global software development company. The agency was founded in 2005 and carries a team of over 170 full-stack Python developers alone. In total, the company has over 300 professionals that specialize in web development, software development, and application testing. 

    Clients

    • Mastercard
    • Decathlon
    • Tiqets
    • Verisk

    Industries

    Notable Project

    STX Next has redeveloped a dating app from an existing unfunctional product. Their work has included React Native and Node.js development, focusing on fixing issues and adding new functionality to the app.

    “They’re very involved in the project, and they love our business.”

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  • 34
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Warszawa, Poland

    Headquartered in Warsaw, Poland and with an office in Atlanta, GA, 10Clouds has built software for businesses worldwide since 2009. The team of 120+ focuses on web development, software development, and DevOps services for scaleups and enterprise clients.

    Clients

    • Emergent Technology
    • Aleph Zero
    • Trust Stamp
    • Omise

    Industries

    Notable Project

    10Clouds has provided custom software development services to a music company. They’ve used Python, JavaScript, and solidity to develop a community-building NFT platform for musicians.

    "They’ve created a simple, good-looking product with a thoughtful, intuitive flow."

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  • 35
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Kyiv, Ukraine

    Founded in 2015, Springs is a software development company headquartered in Kyiv, Ukraine and in Naberezhnye Chelny, Russia. Their team provides custom software development, web development, and web design to small and mid market companies. The clients they primarily partner with are in the real estate, retail, transportation, e-commerce industries. 

    Industries

    Notable Project

    Springs helped a software company develop a mobile application within a tight deadline. The team took over the project and followed the provided designs and assets, finishing the application in React Native. 

    "Springs delivered a quality project on time."

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  • 36
    • Scheduling

      4.6
    • Quality

      4.7
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 50 - 249 employees
    • Thorold, Canada

    Computan is a creative agency based in Thorold, Canada. Founded in 1987, the team of 34 specializes in digital strategy, e-commerce development, mobile app development, PPC and web development.

     

    Clients

    • Palmer Ad Agency
    • openkey
    • Remarkable Sales and Marketing
    • Hero Certified Burgers

    Industries

    Notable Project

    Computan developed an API integration between Blackbaud and Hubspot. 

    "Communication between all parties flowed nicely through email and a few phone calls."

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  • 37
    • $250,000+
    • 250 - 999 employees
    • Broomfield, CO

    Gorilla Logic provides nearshore Agile teams to Fortune 500 and SMB companies, bringing unparalleled expertise in the delivery of full-stack web, mobile, and enterprise applications. Founded in 2002 and headquartered in Broomfield, Colo., they have over 500 employees and development centers in San José, Costa Rica and Medellín, Colombia. 
     

    Clients

    • A Place for Mom
    • Arrow Electronics
    • DaVita
    • Maxar

    Industries

    Notable Project

    Gorilla Logic provided several software engineering resources to facilitate a transition to a fully in-house development team. They supported front- and backend website and mobile application development.

    "Their team was able to support our frequent changes, unlike other software engineering teams that were more rigid."

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  • 38
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 50 - 249 employees
    • Austin, TX

    Moove-it is a consulting and engineering firm headquartered in Austin, Texas, with a second office in Montevideo, Uruguay. Founded in 2006, Moove-it specializes in custom software development, web development, and mobile app development. Moove-it's team of 70 employees primarily work with small and midmarket businesses.

    Clients

    • Unilever
    • Verifone
    • BAMTECH Media
    • Sierra Wireless

    Industries

    Notable Project

    Moove It is developing a web-based marketplace that allows law students to buy and sell class notes. After discussing the client’s ideas and wireframes, they’ve handled all aspects of the development. 

    "Moove It’s no-nonsense approach is impressive."

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  • 39
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Dubai, United Arab Emirates

    Blink22 is a mobile and web development firm based in Alexandria, Egypt. Founded in 2015, their team of 125 serves clients in the transportation and communal workplace sectors. Services include, iOS, Android, and React Native development.

    Clients

    • Jumia
    • Careem
    • Khatabook
    • Cassbana

    Industries

    Notable Project

    A credit management platform hired Blink22 to build a mobile app that featured invoice and receipt functions, credit transaction recording, automatic payment reminders, and SMS and WhatsApp integrations. 

    "We were able to launch the app, iterate on it, and build on the foundations that they had set up for us."

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  • 40
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • Kyiv, Ukraine

    Software provider Django Stars is based in Kiev, Ukraine. Founded in 2008, the agency and their team of 60 specializes in web and custom software development for primarily midmarket clients. 

    Clients

    • MoneyPark
    • PADI Travel
    • MOLO Finance
    • Scoperty

    Industries

    Notable Project

    Django Stars developed a mobile app and B2C website for an online travel agency. The team utilized Django, Angular, React, React Native, and Next.js to build a booking and listing management platform.

    "I liked the collaborative nature of our relationship."

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  • 41
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 1,000 - 9,999 employees
    • Denver, CO

    Founded in 1998 in Denver, Itransition now has multiple offices in the U.S., U.K., E.U., and locations in eastern Europe housing more than 2,200 employees. They help power enterprises and SMBs globally with their digital solutions in the areas of business process automation, AI, data analytics, customer experience, and others. 

    Clients

    • Expedia
    • Xerox
    • Toyota
    • eBay

    Industries

    Notable Project

    Itransition is helping develop and design a web and mobile app for a forensic ballistics company, including the entire backend infrastructure. Currently, they’re working on an AIML project as well.

    “Excellency is the most important characteristic of Itransition; they apply it to everything they do.”

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  • 42
    • $50,000+
    • 50 - 249 employees
    • San Francisco, CA

    Cheesecake Labs is a software design and engineering partner that builds tech products. With locations in California and Brazil, they have been building apps since 2013. Their multidisciplinary team of 100+ designers, engineers, and project managers collaborate with clients to deliver software solutions. The company offers full-service development for iOS, Android, and Web platforms, including UI/UX design, backend engineering, project management, testing, launching, and maintenance.

    Clients

    • MercadoLibre
    • Cargill/Agriness
    • Sodexo
    • AES Corporation

    Industries

    Notable Project

    Cheesecake Labs designed a mobile application for a private mortgage company. They integrated a customized rewards program and other features and created the wireframes from scratch.

    “They always seemed to accomplish more than we thought was possible.”

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  • 43
    • $10,000+
    • 1,000 - 9,999 employees
    • Hanoi, Vietnam

    PowerGate Software is a software development company based in Hanoi, Vietnam. The company, founded in 2011, has more than 100 employees and provides mobile app development, web development, and custom software development to various companies and institutions.

    Clients

    • Pitago
    • Homeet

    Industries

    Notable Project

    PowerGate Software has developed a site MVP for an educational platform. They are now working with the client to develop the mobile app version of the site.

    "We are impressed with their extensive technical expertise."

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  • 44
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • Aventura, FL

    Light-It is a software solutions company based in Montevideo, Uruguay with a second office in Asuncion, Paraguay. It was founded in 2016 and maintains a small team of 2 specialists. Light-It provides web development, custom software development, e-commerce development, UX/UI design, and mobile app development services. Their client base mostly includes small businesses.

    Clients

    • Best Buy
    • Chevrolet
    • Mobil

    Industries

    Notable Project

    Light-it provided a software firm with web design and development resources for a payment platform project. They used SketchUp for UX/UI designs and did frontend development in Vue.js; they also used Laravel. 

    “Light-it was a good team to work with and did a good job executing our project.”

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  • 45
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Kyiv, Ukraine

    Peiko is an IT development company located in Kyiv, Ukraine. Comprising 19 employees, they develop software solutions for various sized companies in IT, business services, finance, and healthcare. Services include frontend and backend development, UX and UI design, database management, testing, QA, and website management.

    Clients

    • OrionProtocol (Top 250 Cryptocurrencies on CoinMarketcap. The first gateway to the entire crypto market: aggregating every CEX, DEX, and swap pool into one decentralized platform. The market cap of ORN is 250 000 000$)
    • LocalAway (Silicon Valley marketplace)
    • Riabu, ContactsBook, Investros Exchange (SaaS projects of HongBao Media)
    • GS Diamonds (Australian gewelry eCommerce)

    Industries

    Notable Project

    After a thorough discovery process, Peiko has helped a real estate technology company develop their website and design the prototype of their product, using Figma for the UI designs.

    “Peiko has been very reliable and willing to work with us to meet our expectations."

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  • 46
    • $50,000+
    • 10 - 49 employees
    • Los Angeles, CA

    Urban Insight is a digital design agency with a team of 25 professionals that provides web development, web design, and digital strategy services. Founded in 2000 and located in Los Angeles, the agency has completed over 500 successful projects for its clients.
     

    Clients

    • American Library Association
    • Causeway Capital Management
    • City of Los Angeles
    • CA

    Industries

    Notable Project

    A government administrative company hired Urban Insight to provide web development and design. They're creating the WordPress site based on other platforms they did in the past for other similar clients.

    ''Urban Insight has the experience in creating what we wanted, making them stand out from their competitors.''

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  • 47
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • L'viv, Ukraine

    KeenEthics is a software development company headquartered in Lviv, Ukraine. The company, founded in 2015, has a team of 41 people. Their team provides mobile app development, web development, custom software development, and AI services. They work with small and mid-market businesses in the business services, education, and manufacturing industries.
     

    Clients

    • Epson
    • Self Leaders
    • WorldLabs
    • BankerAdvisor

    Industries

    Notable Project

    An analytical and creative consultancy firm needed a reliable partner that could help them with the development of their B2B marketplace. They hired KeenEthics to conduct testing and optimize user insights.

    "We were very satisfied at all times with the cooperation and the results achieved."

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  • 48
    • $50,000+
    • 250 - 999 employees
    • Naples, FL

    Intetics Inc. is a technology company headquartered in Naples, FL, with offices in Minsk, Belarus, Wilmette, Ill., Krakow, Poland and Kharkiv, Ukraine. Founded in 1995, Intetics' team of 474 employees provides small, midmarket, and enterprise businesses with a variety of different services such as custom software development, mobile app development, and application management & support, among others.

    Clients

    • Encyclopaedia Britannica
    • SugarCRM
    • Snap-On
    • Würth

    Industries

    Notable Project

    Intetics Inc. helped a healthcare company automate several business processes. Their work covered accounting and data validation, and they used UiPath and Power Automate for the implementation. 

    "Intetics made clear budgets and stuck to them."

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  • 49
    • Scheduling

      4.6
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • Belmont, CA

    SteelKiwi is a 50+ web and mobile development company based in Ukraine with offices in California, Slovakia, and Israel. Started in 2011, the team creates robust digital solutions with rapid turnaround, regardless of the project’s complexity or scale.

    Clients

    • JobMatch
    • Khabar
    • Nova Vita
    • Possio

    Industries

    Notable Project

    Steelkiwi had been hired to develop a mobile app for a peer-to-peer e-commerce platform. The platform was expected to promote fast and efficient buying between its users with PayPal.

    "The thoroughness with which they code and test was what impressed me most."

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  • 50
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 250 - 999 employees
    • Artesia, CA

    Radixweb is a software development company based in India. Founded in 2000, the team of 350+ has worked with over 2,500 clients with their software development and web development needs. 

    Clients

    • HP Inc.
    • R.R. Donnelley
    • Shutterfly
    • ThyssenKrupp AG

    Industries

    Notable Project

    Radixweb is in the third phase of a complex rebuilding project. The team is rebuilding an entire suite of applications using modern technologies and cloud hosting for a consolidated platform.

    "Radixweb did a fantastic job to make sure that it was done in the right way."

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  • 51
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 250 - 999 employees
    • Dnipro, Ukraine

    Web and mobile app development company Yalantis is based in Ukraine. Founded in 2008, the team of nearly 200 employees is fluent in web, Android, and iOS development – Swift, Kotlin, JavaScript, Ruby, Node.Js, Goland, and more.

    Clients

    • KPMG
    • Zillow
    • Toyota Tsusho
    • Healthfully (US Healthcare web platform)

    Industries

    Notable Project

    An IoT manufacturer partnered with Yalantis to develop an application that could allow customers to better manage various devices. The team utilized Node.js and architected the app on Circulus.

    "They work quickly and precisely. We see them as part of our team."

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  • 52
    • Scheduling

      5.0
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Frederiksberg, Denmark

    SolidBrain Software is a software development team. Based in Lviv, Ukraine, their team of under 20 employees provides e-commerce and web development, along with app management and support. They were founded in 2014 and many of their clients are in the automotive industry. 

    Clients

    • Terrao
    • ASG
    • GPL
    • Slowianka PL

    Industries

    Notable Project

    An automotive distributor partnered with SolidBrain to develop and design a CRM system. The program manages, automates, and optimizes the client’s logistics system, especially for bulk product orders.

    "Their management is very good, and so is the quality of their work."

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  • 53
    • Scheduling

      4.7
    • Quality

      4.7
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 250 - 999 employees
    • Poznań, Poland

    Full-stack development company with 230 experts on board who build complex digital products for clients worldwide looking to outsource software development to professionals. Merixstudio’s key expertise is the delivery of high-quality and performant web applications, as well as mobile apps accessible on Android and iOS devices. Based on the needs of clients, they can support in end-to-end product development or seamlessly extend in-house teams of engineers.

    Clients

    • The Juilliard School
    • Toshiba
    • GS1
    • SendinBlue

    Industries

    Notable Project

    Merixstudio provided outsourced frontend design for a startup. Their team analyzed technical capabilities and provided coding and engineers that could build out the frontend of the entire product. 

    "We are now able to launch new products in a matter of days."

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  • 54
    • $25,000+
    • 2 - 9 employees
    • Long Island City, NY

    Studio Simpatico is a design and digital studio based in New York City. Founded in 2017, the small team of 4 specializes in UX/UI design, branding, web design, and more. They primarily work with small businesses, focusing on advertising and media, financial services, and media.

     

    Clients

    • Fireblocks
    • Haven Life
    • The Association of National Advertisers
    • Blockdaemon

    Industries

    Notable Project

    A food waste nonprofit hired Studio Simpatico to revamp an 11-year-old website. They designed and developed a site with the client’s audience in mind. The team currently provides site maintenance and support.

    "They’ve managed our expectations well and kept to the budget."

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  • 55
    • $25,000+
    • 250 - 999 employees
    • Gliwice, Poland

    Future Processing is a software developer based in Gliwice, Poland. Founded in 2000, they now have more than 900 employees. They specialize in custom software development, web development, and enterprise app modernization for primarily midmarket and small business companies in the healthcare, IT, and transportation industries.

    Clients

    • Allocate
    • Demica
    • 4 finance
    • Coconet

    Industries

    Visit Site
  • 56
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Greenville, SC

    Headquartered in Greenville, S.C, Designli's team of 15 employees offer mobile app development, web development, UX/UI, and web design services. Since its founding in 2013, Designli helps entrepreneur and startup clients take their business to the next level with creative and transparent development and design solutions.

    Clients

    • VentureSouth Angel Investor Network
    • EarthLink
    • Michelin
    • Juman Saudi Investment Company

    Industries

    Notable Project

    Following a backend code assessment, Designli identified opportunities to augment software for a store locator solutions company. They redesigned the SaaS product’s UI/UX and continue to execute redevelopment.

    "Their team adds value beyond what we expect from them."

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  • 57
    • Scheduling

      4.9
    • Quality

      4.8
    • Cost

      4.3
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Kansas City, MO

    Crema is a digital agency with offices in Kansas City, Mo., and Lafayette, IN. Since 2009, the agency and its team of more than 25 has specialized in web design and development, custom software development, UX/UI design, and mobile app development. The agency works in several industries, including non-profits, business services, and consumer products. 

    Clients

    • Lockton Companies
    • Black & Veatch
    • Worksmart.ai
    • SBI

    Industries

    Notable Project

    Crema designed the UI/UX of a project management platform. The goal was to have a usable and aesthetically pleasing product that incorporates brand standards.

    "They have timely responses and proactive planning."

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  • 58
    • Scheduling

      4.6
    • Quality

      4.7
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Poznań, Poland

    Apptension is a creative product studio with almost a decade of experience and 70+ specialists on board. Their bread and butter is pushing the envelope of what innovative digital experiences can look, feel and work like.
    Working with founders, investors, and top creative agencies, they bring out-of-the-box thinking, great design, and plenty of technical competence. From an early-stage startup to Uber, they serve clients of various needs and sizes.

    Clients

    • Netflix
    • Uber
    • Heineken
    • Unit9

    Industries

    Notable Project

    Apptension developed a home management mobile app for a consulting company. The app had three main submodels and a marketplace for home services. The technologies used include Python, React, and React Native. 

    "The dedicated team was professional, responsive, and proactive with the solutions they offered for our project."

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  • 59
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Brooklyn, NY

    Five Jars, a web development firm, was established in 2017. Their small team is in Dover, Delaware and Kyiv, Ukraine. Their services include web development, custom software development, and web design.

    Clients

    • George Washington’s Mount Vernon
    • YMCA of the North
    • Council for Exceptional Children
    • YMCA of Greater Brandywine

    Industries

    Notable Project

    Five Jars is a long-standing partner for a nonprofit organization's web development projects. Their most recent project was a Drupal directory of current staff and HRIS integration.

    "The Five Jars team is thoughtful, resourceful, and open to feedback and input."

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  • 60
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • L'viv, Ukraine

    Artelogic is a modern software development company headquartered in Lviv, Ukraine that specializes in web and custom software development. Founded in 2012, the company works with small businesses, enterprises, and midmarket companies across industries such as healthcare and medical, automotive, information technology, transportation, and financial services. Artelogic has an additional office in Ormond Beach, Fla. and is comprised of 43 employees. 

    Clients

    • Jack Cooper Transport
    • Liqui Moly
    • Pilgrim Consulting
    • Auto Transport Plus, LLC

    Industries

    Notable Project

    Artelogic offers 24/7 development and testing support. They provide testing facilities, security services, and ongoing development through three dedicated resources. 

    "There’s nothing much they could do to improve things at this point." 

    Visit Site

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