Top 100 JavaScript Developers

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Top 100 JavaScript Developers

August 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

  • 1
    • $25,000+
    • 1,000 - 9,999 employees
    • Plano, TX

    Experion Technologies develops software solutions, mobile apps, cloud services, and IoT platforms. Established in 2006 and based in Addison, TX, their 350+ experts have created digital solutions for over 110 clients in the sectors of finance, retail, supply chain, and health.

    Clients

    • Duracell
    • Speedo
    • TopGolf
    • Bacardi

    Industries

    Notable Project

    Experion Technologies created the UI design of a construction firm's cloud-based web app. Users could upload and scan drawings. The team continues to maintain the client's app.

    "There were a lot of curveballs along the way, and they did a great job adjusting to those changes."

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  • 2
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

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

    ImageX is a web design and development agency founded in 2001. They are based in Vancouver, British Columbia and have an additional development center in Kiev, Ukraine. ImageX is a mid-sized, well-established firm with just over 40 employees, all specializing in Drupal development. They have been a Drupal-exclusive agency since 2006 and are considered experts in development for the open-source CMS. ImageX's experience has earned them the business of several globally relevant brands seeking complex Drupal solutions.

    Clients

    • Apple
    • Stanford University
    • YMCA
    • Adidas

    Industries

    Notable Project

    Visit Site
  • 3
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 250 - 999 employees
    • Zagreb, Croatia

    Q agency is a software development firm founded in 2013. Based in Zagreb, Croatia, the company has additional offices in Oslo, Zürich, Belfast, U.K., Toronto, and Los Angeles. With a team of 120+ employees, they specialize in web development, UX/UI, custom software development, and mobile app development. 

    Clients

    • The Times
    • CocaCola
    • BBC
    • Manpower

    Industries

    Notable Project

    Q agency developed the UX/UI to complement a startup’s medical device hardware. The client provided Arduino-based demo boards and branding elements to reference as they developed the UX/UI in Android Studio. 

    “Overall, as the key user, I was very satisfied with Q agency’s work.”

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  • 4
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.7
    • NPS

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

    ARTKAI is a full-cycle digital product development and consulting company with an emphasis on UX. Founded in 2014, they have about 100 employees and work with SME’s from the US and EU markets. Their team takes care of Web and Mobile Development, UX/UI Design, and Digital Transformation of Businesses from initial research to complete product.

    Clients

    • Huobi Global (Crypto exchange platfrom)
    • Nezha (Blockchain prediction market protocol)
    • CEX.io (Crypto exchange app)
    • Advanced Markets (Cryto Investments Consulting)

    Industries

    Notable Project

    Artkai has designed the UI/UX of a website for a finance platform, and they’re now building its frontend. The team used Figma and Miro boards for design and now uses React and a WordPress CMS for development.

    “They’ve been very responsive and proficient in their communication with us.”

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  • 5
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • L'viv, Ukraine

    inVerita is a global staff augmentation company headquartered in London with delivery centers in Ukraine and offices in Chicago and New York. Founded in 2015, they now have over 100 employees serving Fortune 1000 customers and startups all over the globe. inVerita also provides QA, mobile, web development, and DevOps services.

    Clients

    • Perforce, Methodics, Mediashout, Kroger Group, HILTI, numerous YCombinator-backed startups

    Industries

    Notable Project

    inVerita provides custom software development services for a dental clinic. They're helping the client build a custom solution to better manage patient data.

    "They've never broken any timelines."

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  • 6
    • $10,000+
    • 50 - 249 employees
    • Gliwice, Poland

    Based in Gliwice, Poland, The Software House is a development agency that was founded in 2012. They specialize in custom software development (PHP, Node, Javascript, Mobile) for mostly small and medium-sized businesses. So far, their team has completed over 100 web, mobile app, and custom software development projects. 

    Clients

    • eSky.com
    • GoConnectIT
    • Reservix
    • Pet Media Group

    Industries

    Notable Project

    The Software House developed a mobile app for a travel information platform. The new app is expected to replace two of the client's existing apps.

    "Having defined a clear path, we had some fun working together, and I think that kept us motivated."

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  • 7
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 50 - 249 employees
    • Kharkiv, Ukraine

    Devico is a web and mobile development agency in Kyiv, Ukraine. Founded in 2011, they have 37 employees that serve clients in a wide range of industries. Services include custom software development, mobile app development, and web development.

    Clients

    • Arklign
    • SoleGATE
    • Quick Mount PV
    • MemoMeister

    Industries

    Notable Project

    A cybersecurity company hired Devico to augment their development team. Devico was responsible for integrating test cases, automating those tests, deploying the automated tests via DevOps pipelines, etc.

    "I was completely satisfied. They were very flexible and adaptive to our changing needs."

    Visit Site
  • 8
    • Scheduling

      4.6
    • Quality

      4.8
    • Cost

      4.4
    • NPS

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

    Monterail is a software development company founded in 2010. The company is located in Wroclaw, Poland where its team of 110+ experts provides web development, custom software development, and IoT development services to mostly small and mid-market businesses.

    Clients

    • Pizza Hut
    • Morizon
    • Merck
    • Solarflare

    Industries

    Notable Project

    Monterail is tasked with various development services for an international management consultancy. The tasks include running a design workshop, designing key online platforms, and holding activity surveys.

    "Working with Monterail feels like a real partnership."

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  • 9
    • $5,000+
    • 50 - 249 employees
    • Novi Sad, Serbia

    PopArt Studio is a professional digital agency based in Novi Sad, Serbia, and founded in 2010. They have a team of 27 employees who specialize in web design, web development, and UX/UI design. They mainly work with small businesses in the IT, eCommerce, and marketing industries. 

    Clients

    • ​PepsiCo
    • Schneider Electric SE
    • Lear Corporation
    • Nike Inc

    Industries

    Notable Project

    PopArt Studio is the web development partner of a branding agency. They’ve collaboratively helped the client develop two WordPress websites based on the client’s designs, and they’ve also added some animations.

    “PopArt Studio has excellent developers who have taken our designs to the next level.”

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  • 10
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.6
    • NPS

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

    XWP is a web agency founded in Chelsea, Australia in 2005 with over 50 employees. They offer web development, web design, and UX/UI design solutions to mid-market and enterprise-level clients in the fields of IT and media.

    Clients

    • Google
    • News Corp
    • Automattic
    • Rolling Stone

    Industries

    Notable Project

    XWP is helping a multinational technology company come up with a custom WordPress plug-in from scratch. The team handles both the development and design process using various technologies, such as React.

    "We’re impressed with their ability to ask the right questions and create a working plan."

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  • 11
    • Scheduling

      4.9
    • Quality

      4.7
    • Cost

      4.7
    • NPS

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

    DIGIS is a software development company based in Larnaka, Cyprus. They were founded in 2009 and have a team of 77 employees. They specialize in custom software, web, and mobile app development for midmarket and small business clients in the business services, financial services, and media industries. 

    Clients

    • Huma
    • BlaBlaCar
    • PWC
    • EDP

    Industries

    Notable Project

    Digis is developing an IT services company’s mobile app.

    "Their workflow and communication are impressive."

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  • 12
    • $25,000+
    • 1,000 - 9,999 employees
    • New York, NY

    Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, iTechArt’s talent pool includes 3500+ engineers with experience in all of the latest technologies.

    Clients

    • ClassPass
    • ZEFR
    • Gain Capital (forex.com)
    • Merkle

    Industries

    Notable Project

    iTechArt Group augmented a fintech startup’s team. They provided backend developers, business analysts, UI designers, and QA testers to develop the client’s solution.  

    "They made the process of scaling up the team painless and quick."

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  • 13
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Studio City, CA

    Softermii is a software development firm with offices in Los Angeles and Kiev, Ukraine. Founded in 2014, Softermii's team of about 30 employees specializes in web and mobile app development. The team also offers UI/UX design services. Softermii primarily works with small and mid-market clients in the retail, real estate, and business services industries. 

    Clients

    • Events10x
    • Dollar Shave Club
    • French Real Estate Association
    • Rently

    Industries

    Notable Project

    Softermii developed a wealth management app for a fintech startup. The team developed finance-related app features such as expense monitoring, asset and portfolio management, and loan opportunity tracking. 

    "The team was truly dedicated and committed to the project."

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  • 14
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.7
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Sarasota, FL

    AnyforSoft is a web and mobile app development company based in Kharkiv, Ukraine with an office in Lutsk, Ukraine. Founded in 2011, the team of 49 specializes in web development, mobile app development, and custom software. They work with small and midmarket-level businesses, focusing on business services, education, and government.

    Clients

    • ProjektMagazin
    • WehaveAnyspace
    • Stage Entertainment
    • Bellame

    Industries

    Notable Project

    AnyforSoft provided front- and backend Drupal development for a technology company. They first facilitated a design phase before developing the solution. 

    "The team was accessible and responsive."

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  • 15
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.9
    • NPS

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

    Scopic is a software development and creative digital marketing company from Boston. Founded in 2006, their team consists of over 280 developers, designers, and marketers from around the world.Their services include web, mobile, and desktop development, as well as digital marketing services such as SEO, content marketing, and social media marketing.

    Clients

    • Mediphany
    • OrthoSelect
    • Endovantage
    • Arizona Medicare Pros

    Industries

    Notable Project

    A digital marketing company hired Scopic to provide website development. Their efforts include enhancing the client's plug-ins to add more features and allow visitors to have a complete experience.

    "I don't think there’s anything they can improve on — if I need something complicated, they’re my go-to team."

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  • 16
    • $50,000+
    • 50 - 249 employees
    • Fremont, CA

    CognitiveClouds is a mobile app development company that was founded in 2012. CognitiveClouds has locations in Fremont, Calif. and Bangalore, India, where its team of 73 provides mobile app development, web development, and UX/UI design services to small and enterprise businesses alike.

    Clients

    • Walmart
    • Verizon Media
    • UBS
    • Volkswagen

    Industries

    Notable Project

    A mobile payment platform routinely hired people for multiple projects. They decided to partner with Cognitive Cloud to help in this regard because of their experience in the industry.

    "The quality of candidate and turnaround time to provide quality candidates was good."

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  • 17
    • $25,000+
    • 250 - 999 employees
    • Warszawa, Poland

    ITMAGINATION is a technology services company in Warsaw, Poland with more than 400 employees. Established in 2008, they do customer software development, web development, and BI and big data consulting. ITMAGINATION primarily serves midmarket–enterprise clients in the financial services, business services, and utilities sectors.

    Clients

    • Kabbage
    • Greenlight
    • BNP Paribas
    • L'Oréal

    Industries

    Notable Project

    ITMAGINATION supports an independent multi-issue platform's internal development team. They work on maintaining and improving the company's current application to prevent any breakdown.

    "The team has integrated well with our developers and became productive quickly."

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  • 18
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    Founded in 2007, Softblues is a software development company headquartered in Lviv, Ukraine. Their team of approximately 22 employees serves small to mid-sized businesses, particularly in the e-commerce and education sectors. They specialize in custom software as well as web and e-commerce development.

    Clients

    • Pinterest
    • FieldBI
    • AutoBI
    • AgroTop

    Industries

    Notable Project

    Softblues provides frontend and UX/UI development for a consumer and fashion data viewing platform. They've worked with a number of technologies including Vue, TypeScript, and Python. They also do page design.

    "Throughout hardship, they've been honest — willing to keep high standards to successfully complete project on time." 

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  • 19
    • $25,000+
    • 50 - 249 employees
    • L'viv, Ukraine

    Binary Studio is a software development firm headquartered in Lviv, Ukraine with an office in San Francisco. Founded in 2005, the team of 72 specializes in web development, custom software development, and IT managed services. They work primarily with midmarket-level and small businesses, focusing on gambling, telecommunications, and business services.

    Clients

    • Binary Studio mainly focuses on establishing strategic partnerships with SMBs. The projects we develop either have global impact on communities
    • or are used by hundred thousands users
    • or even by companies giants from the Fortune 500. Here we present a short list of our customers and some of the projects we’ve been working on recently.

    Industries

    Notable Project

    Binary Studio helped expedite the development of a student recruitment platform. Using AWS, C#, and Angular, they improved the site's overall usability.

    "The code quality was very high, edge-cases were carefully considered, and code was tested and reasoned about."

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  • 20
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      5.0
    • NPS

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

    WeSoftYou is a web and mobile development company of 50 employees. Their headquarters is in Kiev, Ukraine, with a secondary location in Santa Monica, Calif. Founded in 2016, they offer web development, mobile app development, and custom software development. They primarily serve small and midmarket businesses in the healthcare, education, IT, and real estate industries.
     

    Clients

    • Audi
    • eToro
    • Living Security
    • Combyne

    Industries

    Notable Project

    WeSoftYou was hired by a tax compliance platform to develop a custom software MVP. The solution streamlines the client's internal processes by reducing management time and increasing productivity.

    "We are very satisfied with the work that WeSoftYou delivers, and I'd be glad to recommend them to anyone."

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  • 21
    • $10,000+
    • 250 - 999 employees
    • Kolkata, India

    Capital Numbers is a digital production outsourcing company headquartered in Kolkata, India, with additional locations in Beerwah, Australia, Dover, Del., and the U.K. The company was founded in 2012, and has a team of nearly 300 people who provide web development, custom software development, mobile app development, and e-commerce development. They provide services mostly to mid-market businesses, but also to enterprise and small businesses. The businesses they serve are in different industries including the advertising & marketing, business services, and financial services industries.
     

    Clients

    • Consumer Reports
    • Fundation
    • Thomson Reuters
    • HelloBar

    Industries

    Notable Project

    Capital Numbers augmented a development team to create two mobile apps and a cloud-based backend for a software company. 

    "Their developers contributed greatly to the successful completion of the project through an excellent work effort."

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  • 22
    • 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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  • 23
    • $10,000+
    • 50 - 249 employees
    • Tallinn, Estonia

    DashBouquet Development is a mobile and web app company located in Minsk, Belarus. Founded in 2014, they have about 25 employees that specialize in web, software, and AI development for mostly small and midmarket businesses across a variety of sectors.  

    Clients

    • NSoft
    • Slashdata
    • Trackener
    • HVMN

    Industries

    Notable Project

    Dashbouquet Development built a custom dashboard for a design agency’s end client. They also worked on the frontend of a complicated React-based web app for another end customer using CSS and JavaScript. 

    “They were flexible and able to scale up when we need them even on short notice.”

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  • 24
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

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

    Halo Lab is a full-stack design and development agency located in Odessa, Ukraine. The 12-person team offers UX/UI design, web design, and logo services to small business and midmarket clients in the consumer products & services, advertising & marketing, and business services industries.

    Clients

    • Auth0
    • Mobalytics
    • Mighty Buildings
    • Wave Video

    Industries

    Notable Project

    A digital marketing agency hired Halo Lab to design their client's comparison platform. They created a mood board, built the web pages' structure based on the client's feedback, and finalized the prototype.

    "They questioned things, discussed them with their team, and presented their thoughts on what was best for the project."

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  • 25
    • Scheduling

      4.7
    • 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 designed and developed a middleware system for a barbershop business. They pulled data from Shopify and posted it in the middleware, mapping all the information into Voyado.

    "They did everything on time and were extremely communicative."

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  • 26
    • Scheduling

      4.9
    • Quality

      4.8
    • Cost

      4.8
    • NPS

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

    S-PRO is a mobile app and blockchain development company based in Kiev, Ukraine. Founded in 2014, S-PRO's team of around 100 employees specializes in mobile app development, blockchain, and UI/UX design. S-PRO primarily works with small and midmarket clients. 

    Clients

    • Custom software for a Wall Street brokerage company (a real-time risk management platform that collects market information instantly and synchronizes it with information about the company’s positions)
    • Chemistry database software for global scientific (our client Zymergen raised $600 million in investments; enables faster and cleaner searchability of millions of data points)
    • Data analytics platform with actionable insights into the UK alternative energy industry (Modo Energy has raised over £1 million in investment; huge scope of analytical data helps users explore markets, get detailed asset data, and track performance)
    • Healthtech ecosystem for hospital staff (a unified system for communicating and distributing files among hospital staff; we have been working together since 2016)

    Industries

    Notable Project

    S-PRO has helped build out the UI/UX design of a renewable energy marketplace. They've created designs using Figma.

    "We're impressed with their flexibility and iterative approach."

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  • 27
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.7
    • NPS

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

    Xmartlabs is a software product development firm based in Montevideo, Uruguay with a US office in San Francisco. Established in 2012, the company employs about 30 employees that focus on developing operations management and business applications. Their services include mobile development for Android and iOS, web app development, and UI/UX design.

    Clients

    • CipherHealth
    • Albumii
    • Chefsfeed
    • Nobly

    Industries

    Notable Project

    A software product-based company hired Xmartlabs to provide staff augmentation services. They offer an extra workforce to the client's projects, including UI/UX designers, project managers, and developers, among others.

    "They’re natural problem solvers and have great leaders that are both tech- and business-oriented."

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  • 28
    • 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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  • 29
    • 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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  • 30
    • 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."

    Visit Site

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