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

  • 31
    $5,000+
    10 - 49 Employees
    Kraków Poland

    Lunar Logic is a web development company based in Krakow, Poland. Founded in 2004, the team of 47 specializes in web development, custom software development, and mobile app development. They work primarily with small businesses, focusing on business services, consumer products and services, and financial services.

    Clients
    Philips
    United Nations
    IEEP
    Startpace
    Industries
    Notable Project

    Lunar Logic worked on a mortgage platform development for a real estate startup. They designed a fully functional mortgage platform from end-to-end. They created custom features including a mortgage calculator, administration tool, and bank compatibility. The client was impressed with the creativity they brought to the project.

    “They're very creative...They don't just do what you tell them – they think about what they do.” – Owner and Founder, Real Estate Startup

  • 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.

  • 32
    $10,000+
    10 - 49 Employees
    Warszawa Poland

    codequest is a software development firm based in Warsaw, Poland, with an additional office in the area. Established in 2009, the team of 30 specializes in web and mobile development using Ruby on Rails, Angular, React, Golang, and Swift. They mainly work with small businesses.

    Clients
    DaWanda
    Degoo
    Eqipia
    SelectHub
    Industries
    Notable Project

    codequest redeveloped an iOS application for a property search engine in Sweden. Their team took over the development role after the internal team left. They used the client’s API’s and server infrastructure to deliver a more functional application with additional updated and UX/UI strategies. The client appreciated codequest’s technical competence and timely delivery

    “The work-related metrics have been solid. They’ve been very timely with their development releases and communications. They’ve been consistent in delivering what we’ve agreed upon on time.” — Manager, Real Estate Site

  • 33
    $25,000+
    10 - 49 Employees
    Warszawa Poland

    Visuality is a software development agency based in Warsaw, Poland with a second location in New York City. Established in 2007, they have 13 employees, and mostly develop enterprise software for business management. Their services include custom software development, web development, internet of things, mobile app development, and UI/UX design.

    Clients
    TripBuilder
    National Geographic
    Quest Looper
    Industries
    Notable Project

    Visuality developed a team management application for a technology firm that wanted to market the platform to home service businesses. The client had a negative experience with a larger developer, and wanted to return to a smaller firm to launch their product. Using Ruby on Rails and ReactJS, Visuality developed a custom scheduling and organization suite with personalized options for users.

    "Despite the distance between our two companies, they felt like friends and family for us. They take tremendous pride in their work and really seemed to care about our project." — Project Manager, Management Software Firm

  • 34
    $50,000+
    50 - 249 Employees
    Poznań Poland

    AppUnite is a software development company based in Poznan, Poland. Founded in 2009, the team of less than 50 specializes in mobile app development, web development, and UX/UI design. They work primarily with midmarket and small business clients, in the media, health care and medical, and real estate industries. 

    Clients
    PETA
    Tech Crunch
    AOL
    Zumba
    Industries
    Notable Project

    AppUnite worked on mobile development for an online dating platform. They designed and developed an iOS mobile app, and led efforts related to beta testing and launching in the app store. The client appreciated the expertise they brought to the project. 

    “They have been brilliant from start to finish in terms of getting the work done. The app has been released to the store already, which happened fairly quickly considering that many apps take a year to a year and a half to complete. They worked fast, but still delivered a very professional end result.” – Owner, Online Dating Platform 

  • 35
    $25,000+
    50 - 249 Employees
    Wrocław Poland

    All in Mobile is a software development studio headquartered in Wroclaw, Poland with an additional office in Lisbon, Portugal. Founded in 2014, they have about 20 employees and focus mostly on mobile app development for Android and iOS, and UI/UX design.

    Clients
    WP Radar
    Stamp
    Qute
    Brand 24
    Industries
    Notable Project

    All in Mobile provided a social startup with a mobile app for employees of a retail partner. The client partners with consumer goods brands to donate one item for each sold through this particular initiative. They digitized much of the experience and delivered a clean Android solution that reached over 10,000 employees of the store.

    "They're very responsive. Whenever we've had any issues, their team has been quick to respond. They're almost instantaneously available." - Head of Digital, Social Startup

  • 36
    Undisclosed
    250 - 999 Employees
    Warszawa Poland

    Cybercom Group is a software development firm based in Warsaw, Poland with other offices in Lodz and Bydgoszcz, Poland, Tampere and Helsinki, Finland, and Stockholm and Gothenburg, Sweden. Established in 1997, they have 1185 employees that provide web development, custom software, mobile development, internet of things, and more.

    Clients
    Ericsson
    Volvo
    Doro
    Vubiquity
    Notable Project

    Cybercom Group worked with a German mechanical engineering firm to help them expand into IoT-enabled products. They employed a large-scale team to work on several new devices, and integrate them into some of their existing equipment. The client was impressed with Cybercom's development speed, especially given the sophisticated nature of the task.

    "...we could see the experience that Cybercom had had on internet-of-things projects. It was money well-spent for us. Cybercom guided us through the process, so we didn't have to learn from our mistakes.." — Project Manager, Mechanical Engineering Firm

  • 37
    $25,000+
    10 - 49 Employees
    Gdańsk Poland

    Founded in 2010, Logicify is a development company with offices in Poland and Ukraine. The team of nearly 40 employees specializes in web, e-commerce, and custom software development. They mostly work with small business clients in the education, e-commerce, financial services, and media industries.

    Clients
    Betterfood
    eChalk
    Trovvit
    BlastOut
    Industries
    Notable Project

    Logicify first began working with a hair products company on small development projects such as creating a reviews widget. The client was so happy with Logicify's work that they hired them to rebuild their website. The hair products company's existing website was built on an external platform that was difficult to customize. Logicify evaluated other platform options and ensured the new site was customizable to the business' needs. One feature Logicify built was a "product wizard" that helped online shoppers choose the right hair product for their needs. The new site experienced a decrease in bounce rates from 70% to 20%.

    "They accomodate time zone differences by having stand-up meetings with us at the end of every day. ... They thoroughly understand and anticipate business issues to then work through solutions proactively." – CEO, Hair Products Company

  • 38
    $25,000+
    10 - 49 Employees
    Wrocław Poland

    Naturaily is an AI development company based in Wroclaw, Poland. Founded in 2012, this team of 21 employees provides web development, IoT development, and UX/UI design services.

    Clients
    Zapnito
    Sociomatik
    Shuttlefare
    Industries
    Notable Project

    Naturaily developed a uniquely customized AI development plan for a health research client. They reacted to quickly changing feedback and requirements and communicated highly technical topics in a clear and concise way.

    "The entire team is responsive and seems really committed. Communication is easy, and I am constantly in contact with the person in charge of project management." – Project Manager, Health Research Company

  • 39
    $10,000+
    50 - 249 Employees
    Warszawa Poland

    SYZYGY Warsaw is a full-service digital product development agency based in Warsaw, Poland, with an office in London. The agency, founded in 2016, has a staff of more than 50 that provides web development, UX/UI design, and mobile app development services to various companies.

    Clients
    Kyocera
    Mazda
    TUI
    LOT
    Notable Project

    SYZYGY Warsaw provided a Tourism Company with e-commerce development services, which includes transitioning the client from Angular to React, frontend design and development, and collaborating with a third-party backend team. The client has seen an increase in online sales since they began working with SYZYGY.

    "They bring useful technology to the project. My team has good relations with their team." - Head of E-Commerce, Tourism Company

  • 40
    $10,000+
    50 - 249 Employees
    Warszawa Poland

    Intent (formerly inFullMobile) is a Warsaw, Poland based app and software development firm that was founded in 2008. They have 35 employees and their team focuses on mobile app development, UX/UI design, and custom software development. They mostly work with enterprise clients in the consumer products, information technology, and business services industries.

    Clients
    Samsung
    Coca-Cola
    Nike
    T-Mobile
    Industries
    Notable Project

    A hygiene products company worked with Intent to create their mobile app. The client was most impressed with the project management skills of the team.

    “They [Intent] were proactive, responsive to our needs, and agile. They were doing everything that was required to meet the deadlines. Even if we had unforeseen issues to fix during testing, they were able to meet the deadlines 90% of the time.” – Senior IT Manager, Hygiene Products Company

  • 41
    $10,000+
    50 - 249 Employees
    Poznań Poland

    Headquartered in Poznań, Poland, Espeo Software is a development agency that focuses primarily on the business services, marketing, and education industries. Founded in 2008, the company has about 70 employees that work with small businesses, middle-market companies, and enterprise clients alike. Espeo Software specializes in web development, blockchain, mobile app development, and more. 

    Clients
    Egnyte
    Oracle
    Eximap
    MapVida
    Industries
    Notable Project

    Espeo Software created a sophisticated tool for a digital education company that evaluates and certifies digital and analog education resources. The company continues to improve the tool's functionality and is currently building a related catalog site. The tool Espeo Software delivered runs smoothly and has garnered positive feedback from internal users.

    "The service has been flexible, trouble-free, and efficient." –  Head of Operations, Digital Education Company 

  • 42
    $1,000+
    250 - 999 Employees
    Warszawa Poland

    Located in Minsk, Belarus, Scand was founded in 2000. Since then, they’ve grown to 300+ employees and completed over 550 successful projects. Scand works on web, mobile, e-commerce, and custom software development.

    Clients
    NASA
    IBM
    Cisco
    FedEx
    Industries
    Notable Project

    An IT company needed to build out online ordering on its website and Scand tackled the project head-on. They developed the backend of the website and refined the frontend. Scand continues to provide support and maintenance.

    “The technology Scand developed is huge in both how many people use it and how much money the company earns from it. The entire company was actually built on the IT solution, so without it, the company wouldn’t even exist.”  – CEO, IT Company

  • 43
    $10,000+
    50 - 249 Employees
    Wrocław Poland

    Droptica is a software development company headquartered in Wroclaw, Poland with additional locations in Gdansk, Poland and Rzeszow, Poland. The team of 25 has specialized in web development, custom software development, and e-commerce development since 2008.  They primarily work with midmarket, small business, and enterprise level clients and serve a variety of industries including education, government, and media.

    Clients
    Boplan
    ESNcard.org
    Bloomwell.com
    Trainingrealm.com
    Notable Project

    Droptica worked with a book publisher to help develop an e-commerce platform. They created a new frontend for mobile users which helped the client do significantly more business. The client was impressed with the growth in revenue that resulted from the project.

    “After launching their [Droptica] mobile improvements, we had a 50% growth in revenue.” - Director, Book Publisher

  • 44
    $10,000+
    10 - 49 Employees
    Gdynia Poland

    DeSmart is a software house based in Gdynia, Poland. Since 2003, their team of 28 has been specializing in web development, custom software development, mobile app development, and more. DeSmart works with small and mid-sized clients. 

    Clients
    IBM
    tagvenue
    Shoplo
    Conventica
    Industries
    Notable Project

    DeSmart developed and designed a website for a talent recruitment platform. The work focused on creating an excellent UI/UX. The client values DeSmart for their flexibility.

    "We now have the fastest platform in our current market. On the old platform, searches took an average of six–10 seconds to return results, but the current load time is 6–8 milliseconds...feedback from our current users has been extremely positive. We’ve had users from three years ago come back to use the new platform." — VP of Product, Recruitment Platform

  • 45
    $10,000+
    10 - 49 Employees
    Rzeszów Poland

    7ninjas is a Javascript agency based in Rzeszow, Poland. Founded in 2015, 7ninjas' team of 26 employees specializes in providing web development, custom software development, and mobile app development services primarily for small businesses.

    Clients
    Herlandia
    Flyamble
    Alcatel
    SportyHQ
    Industries
    Notable Project

    7ninjas worked was hired by an online community to create a new website using WordPress and transition it into a custom website designed and developed with Python and React. 7ninjas continues to provide support and web management services, and the website has been hailed as a beautiful piece of development.

    "Currently, we have about 2,700 subscribers, and I attribute that success solely to this great site." – CEO, Online Community

  • 46
    $10,000+
    10 - 49 Employees
    Rzeszów Poland

    Ultrano.pl is a user experience agency founded in Rzeszów, Poland in 2009. With over 10 employees, they specialize in UX/UI design and web development solutions for clients ranging from small firms to large businesses.

    Clients
    Polish Ministry of Education
    PGE Capital Group
    Virtual Speech Therapy System
    Industries
    Notable Project

    Ultrano.pl provided website design services for a lighting and electrical company. The company wanted to refresh their website’s overall look. The company is satisfied with the results.

    “Ultrano quickly and easily changed elements due to our requests - a big plus for openness and responsiveness.” - Owner & CEO, Lighting and Electrical Company

  • 47
    $5,000+
    10 - 49 Employees
    Łódź Poland

    Ragnarson is a web and software development company headquartered in Lodz, Poland with an office in Berlin. Founded in 2006, the team of 21 specializes in web development, custom software development, cloud consulting & SI, and mobile app development. They work primarily with small businesses.

    Clients
    Melodie
    Shelly Cloud
    Crypto Investia
    Vehiculum
    Industries
    Notable Project

    Ragnarson worked on software development for an ethics research organization. They recoded the app’s codebase from scratch and used Ruby on Rails and JavaScript to improve the quality of the software. They also provided maintenance and updates. The client appreciated how seriously they took the project.

    “One common theme I noticed was their eagerness to be involved in purposeful projects which can improve the world.” – Founder, Ethics Research Organization

  • 48
    $1,000+
    10 - 49 Employees
    Katowice Poland

    Fooz is a web development agency, founded in 2013 and located in Katowice, Poland. They comprise 12 employees specializing primarily in WordPress and CMS, including e-shops, e-learning sites and landing pages. They work with a range of small and large businesses, offering frontend web development and WordPress design and support.

    Clients
    Magnum
    Neontri
    Axichem
    Notable Project

    Fooz developed a new website from scratch in WordPress CMS for a computer software company, including the UX design and deployment of the site. They also created copyrights for the site and integrated it with the HR system. They successfully created a high-quality website that accurately represents its company and its services.

    “They were helpful and collaborative in debugging the site to polish it into the finished product. They have really good graphic designers. This is what they do best and their main advantage.” – CEO, Computer Software Company

  • 49
    $5,000+
    50 - 249 Employees
    Warszawa Poland

    GP Solutions is a software development company headquartered in Munich, Germany, with  that specializes in web development, custom software development, and web design. Founded in 2002, the company builds custom web applications to help clients realize their business goals. A company of just less than 150 employees, GP Solutions works with enterprise and mid-market outfits in the IT and hospitality industries, offering end-to-end solutions that increase traffic, drive sales, and connect with consumers. 

    Clients
    Air Canada
    BlueShift Technologies
    Tallink
    Nymbus
    Industries
    Notable Project

    GP Solutions helped a technology firm improve customer satisfaction and reach a larger audience by developing a variable pricing calculator and designing a new website on a modern CMS. The engagement resulted in a significant increase in process efficiency and produced positive feedback from users. 

    "[GP Solutions] has given us what we asked for without really having to spend time on describing it in detail." – Managing Director, Technology Firm 

  • 50
    $10,000+
    10 - 49 Employees
    Kraków Poland

    Founded in 2010, Bravelab.io is a development company headquartered in Krakow, Poland with a team of 15. They provide custom software and web development services to small businesses in the utilities and consumer products industries.

    Clients
    Edisonda
    Leanpassion
    Maxto
    Industries
    Notable Project

    Bravelab provided development for a specialized CMS for one of the digital signage company. They developed data and map management systems for shopping malls. The project was successful and the client was impressed with the the skill level of Bravelab. 

    “We appreciate their culture of work. Bravelab uses the agile methodology, which reflects in quick response to changes and iterative delivery of the product.” –– Product Owner, Signage Company

  • 51
    $10,000+
    10 - 49 Employees
    Poznań Poland

    MUG is a web development firm based in Poznań, Poland. Founded in 2007, their team of 30 serves clients in the education, retail and finance sectors. Services include custom software development and mobile app development.

    Clients
    Volkswagen Financial Services
    Volkswagen Group
    SKODA
    SEAT
    Industries
    Notable Project

    MUG developed an app for a polymer company. The team has improved over time and they’ve been a very efficient partner. They have quality personnel on staff.

  • 52
    $5,000+
    10 - 49 Employees
    Wrocław Poland

    Mohi.io is a digital agency based in Wrocław, Poland, and was founded in 2008. Their team of 20 employees specializes in web development, e-commerce development, and UX/UI design for small business clients in the IT, business services, and healthcare industries. 

    Clients
    Kopex
    Laru
    Mia Franke
    Industries
    Notable Project

    Mohi.io created a website for a restaurant chain. They designed a website that, in addition to information on the restaurant, had a specific aesthetic, matching the atmosphere inside of the actual restaurants. The client was happy with the site, especially the mobile version, and reported that the customers liked it as well.

    “My business has grown quickly within the last three years, and I'm sure that mohi.to's work was a part of this.” – Owner, Restaurant Chain 
     

  • 53
    $50,000+
    1,000 - 9,999 Employees
    Rzeszów Poland

    Founded in 1991, ELEKS is a provider of custom software development, product design, QA, and technology consultancy services. They offer cooperation models that fit the goals, resources and timelines of Fortune 500 companies, large enterprises, and small businesses. Headquartered in Ukraine, ELEKS has more than 1,600 specialists and 11 offices on three continents to serve their clients globally. 

    Clients
    Aramex
    ESET
    BNY Mellon D&A Solutions
    TAIT
    Industries
    Notable Project

    ELEKS developed a new, easy-to-operate front-end system for an industrial manufacturing company's equipment load management (EML) data. They implemented different file handling requirements and designed the interface with 3D object graphical presentation and graphical data handling elements. 

    “The broad scope of work they handled impressed me the most. They also quickly understood the different requirements we had, which came from completely different fields.” -  Principal, Industrial Manufacturing Company

  • 54
    $10,000+
    10 - 49 Employees
    Warszawa Poland

    iRonin.IT is a Web, Mobile & DevOps consultancy and development agency from Poland. Founded in 2011, they have more than 50 employees that provide high-quality services to companies worldwide. They specialize in Agile development, consulting, and team augmentation.

    Clients
    Creatubbles
    PromoJam
    Flagship
    Industries
    Notable Project

    iRonin developed the MVP - consumer lending platform, into a comprehensive, scalable software, with fast access to leasing and an intuitive lease management system. The product is continually extended with new features. The team is working on development and support for a custom web app handling 200K requests a month.

  • 55
    $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
    Uber
    Universal
    LESS
    UNIT9
    Industries
    Notable Project

    Apptension helped a founder overhaul their idea and change its scope, building the entire backlog and creating the creative direction of the newly built product. The fashion marketplace app reached the #1 spot in its category in Apple AppStore, reached more than 750k users in a couple of months, and is widely praised for its usability and design.

    “Apptension built the MVP fast, and in fact, it generated the entire project backlog based only on my vision and ideas. The app design and its usability are widely praised by users.” - CEO and founder, fashion marketplace startup

  • 56
    $10,000+
    10 - 49 Employees
    Białystok Poland

    Pagepro is a frontend development agency headquartered in London with an additional office in Bialystok, Poland. Founded in 2010, the team of nearly 20 specializes in web, mobile, e-commerce, and custom software development. They mainly work with small businesses in the advertising and marketing industry.

    Clients
    GatedTalent
    My Name Flow
    Outside the Lines
    Woodland Girls
    Industries
    Notable Project

    Pagepro developed a WordPress website for a design studio. Within 10 days, Pagepro provided technical scoping, programming, WordPress customization, and project management services for the client, who praised Pagepro’s consistent communication skills.

    “The impact of their work has been very positive. We knew how challenging the deadline was, but they delivered on time and within budget.” — Owner, Design Studio

  • 57
    $1,000+
    10 - 49 Employees
    Łódź Poland

    Acclaim is a WordPress outsourcing company, founded in 2014 and located in Lodz, Poland. They have between two and nine employees specializing in web development, web design, and e-commerce solutions. They work primarily with small and midmarket companies in a variety of industries.

    Clients
    Osano
    The Decision Lab
    Bank of Mom
    Notable Project

    Acclaim developed a website for an IT company. Coding in HTML and CSS, they provided designs with complicated graphics before integrating the platform with HubSpot. Acclaim developed a quality website that aligned with project goals and was completed on time and under budget.

    “The project was completed on time, under budget, and the quality of the work was excellent. Communication was easy and the team was responsive to minor changes and additions that came up mid-project.” – CEO, IT Company

  • 58
    $5,000+
    10 - 49 Employees
    Warszawa Poland

    Founded in 2012, GoApps is a web development agency that offers web development, mobile app development, and UX/UI design  services to their clients. Their 10 employees are based out of Bialystok, Poland.

    Clients
    Assured Group Ltd
    AC S.A.
    SnowShow
    Industries
    Notable Project

    GoApps recently worked on mobile app development for a vehicle imaging software company. They added an acceptance and rejection function to the mobile app   for that client.

    “Their uptime is really great. The speed of use has improved as GoApps releases newer versions. ” — Owner, Vehicle Imaging Software Company

  • 59
    $10,000+
    10 - 49 Employees
    Wrocław Poland

    CodeWave is an IT services company of around 10 employees, established in 2008. They are headquartered in Krakow, Poland, with a second location in Lewes, Del. They offer development in custom software, web, and mobile apps. They primarily serve enterprise and midmarket businesses in the IT industry.

    Clients
    Unilever
    Warner Brothers
    IAMS
    Tesco
    Industries
    Notable Project

    CodeWave updated a multi-localization, multi-language CMS and established a workflow for an advertising agency. Using Symfony on the backend and Bootstrap on the frontend, they fulfilled all the project expectations. The work is ongoing, with the team introducing new apps into the system. The client is pleased with their innovative and cost-effective solutions.

    “They were always on top of the project, even when things were changing constantly.” – Technology Director, Advertising Agency
     

  • 60
    $10,000+
    10 - 49 Employees
    Warszawa Poland

    Blazity Software is a development studio in Warsaw, Poland. Founded in 2018, the team provides midmarket and small businesses with mobile app development, web development, and custom software development service. They have about 10 employees.

    Industries
    Notable Project

    Blazity Software developed a CMS for a SaaS platform, updating a blog editor and building new landing pages. Improving SEO, they built out data and incorporated graphics, resulting in high-quality work and a successful engagement. They worked efficiently and got the job done.

    “They do a great job of just getting the work done, the right way, no questions asked.” – CEO, SaaS Platform

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