Looking for a top JavaScript developer in Poland?

If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.

To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in Poland. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best Poland JavaScript Developers

  • 91
    $5,000+
    10 - 49 Employees
    Częstochowa Poland

    Brival is a development agency in Częstochowa, Poland. Founded in 2015, they have about 5 employees that serve small businesses in the business and financial sectors. Services include web development, mobile app development, and application testing.

    Clients
    Manifest Escapes
    RFL
    Evolve Edits
    Oddaj Kasę
    Industries
    Notable Project

    Brival handled software development for a travel startup. They used JavaScript for the frontend and utilized e-commerce coding. The solution met the client’s high expectations and all its requirements.

    “I’d invite my contacts to work with them, which is saying a lot because they could be considered a rival of mine.” – CPO, Travel Startup

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  • 92
    $5,000+
    10 - 49 Employees
    Poznań Poland

    Prograils is a web and mobile app development company based in Poznan, Poland. Founded in 2012, the team of 22 specializes in web development, custom software development, and mobile app development.

    Clients
    BoardReport
    Chisa
    elvium
    teamlens.io
    Industries
    Notable Project

    Prograils worked on web development for a vacation home rental agency. They developed the backend of a Ruby on Rails website which incorporated several sites into one place. The website included an automated booking tool with confirmation via an email link. The client appreciated the transparency they provided throughout the project.

    “They're clear, transparent, and responsive. They stuck to their word. They never pulled the wool over my eyes, and they never tried to sell me a solution that wasn't what I asked for.” – Owner, Vacation Home Rental Agency 

  • 93
    $10,000+
    10 - 49 Employees
    Łódź Poland

    Inovatica is a software offshoring company based in San Diego. Since it was founded in 2008, their team has grown to 20 employees. Inovatica specializes in web, mobile app, and IoT development. Most of their clients are small businesses. 

    Clients
    Warsaw Tour
    Google
    Message Point
    TabKing
    Industries
    Notable Project

    Inovatica handled the development work for a biomedical devices startup. The deliverable demanded a high level of security, and the team delivered a satisfying end product that met those needs. 

    "The functionality is excellent; it’s more than what we asked for."–CEO, Biomedical Devices Startup

  • 94
    $1,000+
    2 - 9 Employees
    Imielin Poland

    NUEKO Digital is an advertising agency and software house located in Imielin, Poland. Founded in 2014, they have between two and nine employees who create websites, online shops, and web apps for small and medium enterprises and agencies. Services include web design and development, e-commerce platforms, and SEO. 

    Clients
    Hyundai
    HR Masters
    Neuca
    Industries
    Notable Project

    NUEKO Digital created a WooCommerce website for an education institution that offers training courses, webinars, and products. They integrated it with multiple payment gateways, such as PayPal. The online store had functioned as intended and stakeholders decided to bring NUEKO Digital back for more projects.

    “They designed, developed, configured and launched a new e-commerce solution based on the WooCommerce platform. Project management was professional and the processes went very smoothly.” – Managing Partner, Education Institution

  • 95
    $5,000+
    10 - 49 Employees
    Kraków Poland

    Smultron Software Lab is a full-cycle custom digital solution software house based in Kraków, Poland. The software house, founded in 2010, has a team of more than ten that provides web design and development, custom software development, e-commerce development, and UX/UI design services. Smultron Software Lab serves small companies in various industries that include business services, advertising & marketing, and gambling.

    Clients
    Onet
    University of Wroclaw
    Yggdrasil
    ABSL Diamonds
    Industries
    Notable Project

    A web development company hired Smultron Software Lab to help with the development of a medical database for a client. Smultron Software Lab was to gather all requirements for the project, analyze them to create the final scope, decide what technology stack to use, develop the application, launch it, and handle the maintenance of the system. The application was deployed on the development, stage, and production environments, based on leading PHP framework, MySQL database using AWS infrastructure and later Azure Web Services. Smultron Software Lab completed the project and met all expectations of both the company and the end client.

    "Whole complex task was performed professionally without any major problems." - Director of Application Development, Web Develpment Company

  • 96
    $10,000+
    10 - 49 Employees
    Kraków Poland

    UIG Studio is a web design and development studio based in Krakow, Poland. Founded in 2013, the team of 17 specializes in UX/UI design, web development, and mobile app development. They work primarily with midmarket and small business level clients, mainly in the business services and education industries. 

    Clients
    Fox Networks
    ThirdLove
    Share
    Industries
    Notable Project

    UIG Studios worked on website redesign for an IT firm. They built a modern website and contributed to both the design and the HTML and CSS development. The client was impressed with the work they provided. 

    “We were impressed by the quality of their craft, their experience working on a variety of projects, and their ability to proactively suggest improvements.” – CEO, IT Firm 

  • 97
    $10,000+
    250 - 999 Employees
    Wrocław Poland

    WEZOM Studio is a development agency that has offices in Chicago and Kyiv, Ukraine. Founded in 1999, their team of about 250 focuses on clients in the transportation industry. They specialize in SEO, web design, and mobile app, development.  

    Clients
    Pavian Moto
    NEKO Lighting
    Frost
    WELD
    Industries
    Notable Project

    WEZOM developed a website that focuses on visual elements and e-commerce for the Spanish installation of the website.

     

  • 98
    $5,000+
    10 - 49 Employees
    Warszawa Poland

    Develtio is a Polish software house based in Warsaw and founded in 2016. They comprise five employees experienced in redefining software production through agile IT talent management and a quantitative approach to scoping projects. They specialize in the development and design of custom software and websites.

    Clients
    BNP Paribas
    Orange
    Hitachi
    Yves Rocher
    Industries
    Notable Project

    Develtio developed an automated customer service chatbot that responded to customer support tickets for a financial services company. Develtio worked effectively through the development process, giving the chatbot natural language learning capabilities. The chatbot significantly reduced processing time for customer support and left customers satisfied, helping to modernize the brand.

    “We’ve automated most of the questions asked on Messenger and manage to speed up our reaction time to customer queries from few minutes to instant. It helped us boost satisfaction and build an image of a modern institution.” – Head of Social Media, Financial Services Company

  • 99
    $5,000+
    10 - 49 Employees
    Rzeszów Poland
    Moonbite is a software development company launched in 2010. They are headquartered in Rzeszów, Poland and have a small team. The firm specializes in custom software development, web development, e-commerce development, and web design.
    Industries
    Notable Project

    Moonbite was hired to develop an online store for a nonprofit organization that focuses on economic development and business. Upon launch, the website must have around 500 products. 

    "We saw a 40% increase in traffic after launching the new online store."

  • 100
    $10,000+
    50 - 249 Employees
    Warszawa Poland

    Future Mind is a design and development firm founded in 2008. Their team of about 32 specialists is split between two offices in Warsaw and Tychy, Poland. Future Mind focuses on mobile app development, web development, and UX/UI design for mid-size and large companies across a variety of industries.

    Clients
    Polish Post
    Virgin Mobile
    EY
    Nespresso
    Industries
    Notable Project

    A healthcare company was building an online tool to facilitate more efficient collaboration between doctors, but Safari didn't support the features they were looking to implement. After deciding to build an iOS app, they hired Future Mind to develop the app and include screen- and video-sharing capabilities, integrated the app with the existing healthcare system, and managed the testing process.

    "The workmanship was excellent, as were their depth of knowledge and professionalism. Future Mind came in, gave us tons of change recommendations for certain areas, did the work, wrote the tests, and hit deadlines. Everything went well with this project." — Senior Software Engineer, Healthcare Company

  • 101
    $1,000+
    10 - 49 Employees
    Białystok Poland

    WiWi is a WordPress & WooCommerce development agency founded in Białystok, Poland in 2013. With over 10 employees, they offer web design, web development, and e-commerce development solutions for small and mid-market agencies alike.

    Clients
    IdealDent Stomatologia
    Maslove
    Junak
    Industries
    Notable Project

    WiWi developed a web solution for a dental clinic. The clinic was looking to have a website that would make them more recognizable. The clinic is very impressed with the resulting website’s look.

    “There is nothing we would like them to do differently.” - Project Lead, Dental Clinic

  • 102
    Undisclosed
    50 - 249 Employees
    Warszawa Poland

    Polidea is a software development company founded in 2009. Polidea is located in Warsaw, Poland where its team of 63 works on mobile app development, web development, UX/UI design, and more for clients in a variety of industries.

    Clients
    Philips
    Dolby
    HP
    StepStone
    Industries
    Notable Project

    A startup was creating time-tracking and management software and needed a development team to build the platform. Polidea created mobile and desktop versions of the app, a scalable backend, public API, and Bluetooth integrations.

    "They cared about the project and our users. They didn’t feel like a service company. They felt like a team within our company, which you don’t find a lot." — Founder, Time Tracking App

  • 103
    $10,000+
    10 - 49 Employees
    Warszawa Poland

    App'n'roll is a development company based in Warsaw, Poland. It was founded in 2012 and has 28 employees who provide mobile app development and web development services primarily to small businesses in both the financial and business services industries.

    Clients
    Foap
    Freeletics
    Autoplug.in
    Survicate
    Industries
    Notable Project

    App'n'roll took over and completed the development of a user behavior testing platform. They used Ruby on Rails for development and completed the project within 2 days for the healthcare firm that hired them. Their communication and quality of work stood out. 

    "The quality of their code, speed, and ability to work independently were all great. They work fast and are self-starters. They will suggest necessary changes by themselves and are responsive to business needs. They were very smart and made modern improvements of existing codebase and design, which we appreciated." – Technology Consultant, Health Care Platform

  • 104
    $1,000+
    50 - 249 Employees
    Warszawa Poland

    Founded in 2010, United Ideas is a software development agency that has been offers custom software development, mobile app development, and web development services to their enterprise, small business, and mid-market clients. The team of 259 works with clients in the arts and entertainment, consumer products, and marketing and advertising industries. UI is based out of their offices in Warsaw, Dubai, Oslo, Zurich, and Dublin, Paris, London, Stockholm, Berlin, Amsterdam, Copenhagen, Helsinki, and Farmington, Calif.

    Clients
    UniDosh
    STAMP
    Tookapic
    Industries
    Notable Project

    United Ideas recently worked on software development for a cosmetics company. They created a web application and promotional code generator, among other things, for that client.

    “Their communication was great. That was one of the things that I liked working with them in general. The involved team was always available, so I could always ask questions. They were still entirely consistent with whoever was on the project, meaning no turnover in resources.” - Digital Manager, Cosmetics Company

  • 105
    $10,000+
    10 - 49 Employees
    Poznań Poland

    Expansio is a software development company based in Poznań, Poland, and founded in 2016. They have a team of nine employees specializing in custom software development, web development, and IoT development for startups.

    Clients
    VW Poznań
    Just Advertising Agency
    Metropolis Gdańsk
    Notable Project

    Expansio developed a mobile game for a car manufacturer. They created a game for iOS and Android that would be both fun to play and educate the employees at the client’s manufacturing plant on some of the more complex aspects of the industry. The client was happy with the finished product, and was impressed by how flexible Expansio was during the project.

    “They wanted to develop the program with us. They asked us what we needed and tried to develop it according to our requirements.” – Assistant Manager, Car Manufacturer
     

  • 106
    $5,000+
    10 - 49 Employees
    Warszawa Poland

    Mobile Reality is a software development agency founded in 2016 with a team of 14. Based in Warsaw, Poland, the company specializes in web, custom software, and mobile app development services for small and midmarket firms. They mainly program using JavaScript and use both the frameworks React Native and NodeJS.

    Clients
    Bitbay
    CBRE
    Eurozet
    Industries
    Notable Project

    Mobile Reality was hired by a real estate firm to develop a web-based and mobile application to improve communication with the firm's clients. Mobile Reality managed everything from the designing phase to the actual launch. The firm was impressed with Mobile Reality's work.

    "The Mobile Reality Team was committed to rectifying any concerns and did so promptly. Tasks where performed on time and risks where adequately raised in advance." - Project Manager, Real Estate Firm

  • 107
    $5,000+
    50 - 249 Employees
    Rzeszów Poland

    Sintra Consulting Poland is a web marketing solution company based in Rzeszów, Poland, with an office in Dnipro, Ukraine. The company, founded in 2001, has a team of more than 15 that provides e-commerce development, UX/UI design, custom software development, and web development services. Sintra Consulting Poland serves mid-market and other-sized companies in various industries that include e-commerce, financial services, and IT.

    Clients
    LUISAVIAROMA
    Perletti
    GE
    Aboca
    Industries
    Notable Project

    A seedling production company hired Sintra Consulting Poland to migrate their online store from PrestaShop to Magento. Sintra Consulting Poland also helped prepare a new design of the page, as well as perfected the structure and navigation. They completed the migration and met all of the company's expectations.

    "I never had to wait long for their replies. Sometimes the execution took a little longer than expected, but I was always informed about it beforehand." - Owner, Seedling Production Company

  • 108
    $5,000+
    50 - 249 Employees
    Wrocław Poland

    DO OK is a software development and consulting company with offices in Amsterdam and Copenhagen, and two offices in Wroclaw Zielona Gora, Poland. Founded in 2010, they have 53 employees who provide expert development of custom software, mobile apps, and websites. Working for a range of small, midmarket and large-scale companies, they specialize in custom software with scalable backends built with Python, Java, or Go and Javascript.

    Clients
    BMLLtech
    Relabee
    SmartPatient
    Industries
    Notable Project

    DO OK provided Node.js design and development services for an IT and services company. They built an application to connect with external APIs and allow for further integrations in the future. The application was built to a high standard and had a vital impact on the end-client’s operations.

    “I’m pleased with the cooperation between our teams. The team cooperated well and provided excellent support throughout the project.” – IT Project Manager, IT and Services Company

  • 109
    $10,000+
    50 - 249 Employees
    Kraków Poland

    Intellect is a comprehensive software house based in Krakow, Poland, with an office in Limanowa, Poland. The company, founded in 2005, has more than 30 employees that provide custom software development, mobile app development, web development, UX/UI design, IT strategy consulting, and e-commerce development services. Intellect serves companies in various industries that include automotive, IT, transportation, consumer products & services, and education.  

    Clients
    Maspex
    Black Energy
    mBank
    PGNiG
    Industries
    Notable Project

    A construction company hired Intellect to develop a custom construction ERP solution. Intellect developed an ERP that allows the company to categorize all of their invoices so that they can see which invoices needed payment, pay their employees, and calculate their profits. The ERP can also handle some of the logistics around a project. Through it, the company can organize their work by type of project and assign the needed staff. Also, the company's Polish and Swedish teams can both use the solution. Intellect completed the project and the resulting solution met the company's requirements and expectations.

    "They understood our requirements and delivered a solution that I could use for my business." - Managing Director, Construction Company

  • 110
    $10,000+
    10 - 49 Employees
    Gdańsk Poland

    Founded in 2009, GMI Group is a custom software development company based in Warsaw, Poland, with another location in Cracow. Their team of around 30 employees provide mobile app development, web development, and custom software development for mid market and enterprise companies. These clients are primarily in the IT, education, transportation, and business service industries. 

    Clients
    Q2 Smart Lockers
    Delivioo
    CodersLab
    Industries
    Notable Project

    GMI Group developed a CMS for an IT school, so they could manage information on the training courses. They provided the client with a SEO compliant site, which has resulted in higher site traffic and leads. 

    “We established a harmonious collaboration between our teams and worked daily to complete the project. It didn’t feel like a typical client-contractor relationship; rather, we considered them partners. If we ever have the opportunity to work with GMI Group again, we’ll certainly use their services.” – Project Manager, IT School

  • 111
    $10,000+
    50 - 249 Employees
    Kraków Poland

    Applandeo is a software house that was founded in 2014. Their headquarters are in Krakow, Poland, where 38 employees provide end-to-end web and mobile application development. They also specialize in UI and UX design, data analysis, website design and programming, often working with small businesses, midmarket companies and global enterprises.

    Clients
    Kodent
    Aqeed
    CRIF
    Enera International AB
    Industries
    Notable Project

    Applandeo designed and developed a new website and corresponding apps for a hospitality company. The team programmed the frontend and backend for easy maintenance and continued improvements. The relaunch laid the grounds for further progress and a larger client base.

    “The relaunch was critical to the continued success of our company. The project benefitted from their open communication and honest feedback. There was a steep learning curve, but their team compensated with a dedicated work ethic.” – CEO, Hospitality Company

  • 112
    $10,000+
    10 - 49 Employees
    Gliwice Poland

    Jazzy Pro is a software development firm based in Gliwice, Poland. Established in 2010, they have 30 employees and specialize in startup product development, though they have worked with larger firms as well. Their services include web, mobile, and custom software development, web design, and UI/UX design. Jazzy Pro does work for small businesses. 

    Clients
    LG
    Fitcompany
    Metafresh
    Love & Kids
    Industries
    Notable Project

    Jazzy Pro developed a health technology platform for a rapidly growing firm in the UK. The client works with 13 NHS trust hospitals and required development support to ensure the product met all specifications. Jazzy delivered a fully functional healthcare management application, and gradually added functionality as it was integrated into hospital operations. 

    "Their focus is personal and they understand what we’re trying to achieve." — Head of Product, Health Technology Firm

  • 113
    $10,000+
    50 - 249 Employees
    Wrocław Poland

    ValueLogic is a software agency founded in 2015 with more than 50 experts. Based in Wrocław, Poland, they provide web, custom software, and mobile app development solutions for clients in the fields of real estate, IT, and financial services.

    Clients
    ImmobilienScout24
    Tier
    Bremacon
    Industries
    Notable Project

    ValueLogic developed a mobile app for a financial services company. The company needed a partner to develop a software solution. ValueLogic developed a working solution with no problems whatsoever.

    “We've had very smooth and productive product development without any issues.” - CEO, Financial Services Company

  • 114
    Undisclosed
    10 - 49 Employees
    Warszawa Poland

    AlterPage is a marketing and advertising agency located in Warsaw, Poland. Founded in 2013, they employ nine industry professionals experienced in web and mobile app development, e-commerce, e-marketing, graphic design, and website auditing. They work predominantly with small companies in advertising and business services.

    Clients
    Kinder
    Discovery Channel
    Eniro
    Industries
    Notable Project

    AlterPage developed a web portal for an internet hiring agency using Phalcon. They implemented conversion requests, server infrastructure, and online streaming. The final platform functions well and bugs were fixed quickly by AlterPage.

    “AlterPage has good knowledge of new trends in development and has a professional work method. The team was communicative and willing to answer questions throughout the process.” – General Manager, Internet Hiring Agency

  • 115
    $5,000+
    10 - 49 Employees
    Wrocław Poland

    Ringo Solutions is a software development company based in Wrocław, Poland. Founded in 2013, they comprise three employees specializing in web and mobile app development, application management and support, and CMS. They work primarily for startups and midmarket enterprises, usually in manufacturing, retail or finance.

    Industries
    Notable Project

    Ringo Solutions developed an online tool for a financial company that allows children to track and manage their savings. They used a Scrum method for programming and were responsible for code development and UI design. They created an MVP for the client that earned positive feedback from parents.

    “Ringo Solutions offered lots of ideas on how to improve or expand the features of the system. It was an easy-going relationship, and I didn’t have any hesitations to call or email whenever I needed.” – Founder, Financial Company

  • 116
    $5,000+
    10 - 49 Employees
    Wrocław Poland

    Lama Media is a software house founded in 2006 and located in Wroclaw, Poland. They comprise 13 employees specializing in designing and developing web and mobile applications, e-commerce platforms, and complex websites. Working with companies in business services, retail and healthcare, they provide innovated digital products.

    Clients
    Hewlett-Packard
    Wielton S.A.
    Boston Consulting Group
    City of Wrocław
    Industries
    Notable Project

    Lama Media designed and developed an informational website with multimedia for an entertainment company. They created an online shop, provided site maintenance, and enabled campaigns to be set up with social media and Google AdWords. The site they built helped increase sales and is user-friendly and attractive.

    “We noticed an increase in income thanks to the new selling platform. Thanks to the new website and the technologies used, we are capable of setting internet campaigns that use the power of social media and Google AdWords. Those all work together with our website, which is a great advantage for us.” – Head of Marketing, Entertainment Company

  • 117
    $10,000+
    50 - 249 Employees
    Kraków Poland

    Integrio Systems is a custom software development and artificial intelligence company based in Vancouver, Canada. Founded in 2000, this company has over 30 employees. Services offered by Integrio Systems include custom software, AI, and web development for businesses of all sizes.

    Clients
    Air Canada
    Cinepolis
    Cam Tran
    Industries
    Notable Project

    Integrio Systems provided software development for a personal training platform. They created an SaaS solution which allowed various fitness studios operating on the platform to manage their schedules and payments more easily. The client's company was acquired by a major software corporation as a result of the work undertaken by Integrio Systems.

    "The biggest evidence of our success is that we were acquired by a large software company. The other company was interested in us in large part because of the software that Integrio Systems helped develop." - Former Co-Founder, Personal Training Platform

  • 118
    $5,000+
    10 - 49 Employees
    Warszawa Poland

    TeaCode.io is a Warsaw-based full-stack software development company that was founded in 2015. Their team of 12 specializes in custom software, web, and mobile app development. They also know their way around IoT and AI projects. They usually work with small and mid-sized companies and have so far completed many projects in fields of education, medical care, travel, security, communications, e-commerce, and more.

    Clients
    Touchcom
    Prossto
    Heirlume
    Voicey
    Notable Project

    TeaCode.io partnered with an education resource company to redesign their backend of the app for interactive digital books. They provided the redesign and developed a stronger backend of the app to handle the growth of books. The number of app users increased exponentially since the collaboration.

    ”Before our engagement, the platform would go down quite a bit. Now, the only time our product goes down is when the hosting people have problems. TeaCode.io improved our reliability, security, and speed.” – Tech Lead, Educational Resource Company  

  • 119
    $5,000+
    10 - 49 Employees
    Warszawa Poland

    SoftProdukt is a software engineering company located in Denver. Founded in 1986, they currently have about 8 employees. They provide web, custom software, and IoT development services to midmarket firms and small businesses in government, financial services, and the gambling industry. 

    Clients
    Central Mining Institute
    KONAR
    Industries
    Notable Project

    SoftProdukt provided development services, coding in a Django framework with Python for a data analytics company. They managed application analytics as well as UX/UI design efforts. They offered valuable expertise and produced deliverables efficiently. 

    "Their capabilities and skills are very good." — Founder & CEO, Data Analytics Company

  • 120
    Undisclosed
    10 - 49 Employees
    Łódź Poland

    Inwedo is a software development house in Lodz, Poland. Their team of about 30 employees has provided web and custom software development services since 2013, working in .NET, ASP.NET, and Azure, amongst other technologies. They also offer mobile app development services and have experience building iOS and Android products for the financial, enterprise, and sales sectors.

    Clients
    Bosch
    Bata
    Microsoft
    Decathlon
    Notable Project

    Inwedo developed a web app to improve a sporting good company’s onboarding process. The tool, designed to educate new employees on necessary competencies and skills, created favorable results for the company. Inwedo was responsive and provided actionable UX insights and suggestions.

    “It has been a pleasure to work with Inwedo. I am not a technical person, and they still fully translated my vision.” – Training Specialist, Sporting Goods Company

Tell us about your project
NEED HELP SELECTING A COMPANY?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

TELL US ABOUT YOUR PROJECT