Top 100 JavaScript Development Companies in Poland

An independent consultant hired Monterail to assist in developing a cloud based e-publishing tool. Using Javascript and Ruby on Rails, Monterail delivered a minimum viable product with drag and drop functionality. 

"They would release versions that could be tested and what I enjoyed was the responsiveness of their team. The process was very lean and simplistic." — Founder, e-Publishing App

Miquido completed a mobile app for an integrated tourism company to help them stay competitive. Miquido was responsible for the UI design and developed the app using Swift & Objective-C for iOS and Kotlin & Java for the Android platform. The app improved customer experience and helped the travel company to boost their revenue.

“They are quick to respond to our needs and ideas, being primarily client-oriented and willing to suggest their improvements and ideas” – E-Commerce Coordinator, Travel Company

The Software House developed booking software for an airport transportation company. The system, to which they added an admin panel, automated operations and determined the most efficient routes to the airport and expanded their potential persons serviced more than fourfold. 

"Previously, one person could serve 80 people per day, planning the route and informing clients of the pickup time. We have increased our efficiency. Now, we are able to serve 450 people or more per day." –Product Manager, Transportation Service Company

Brainhub provided frontend development using Electron and React for a gaming company. They worked with an internal team to build a desktop application of a game launcher and distribution platform.

"I appreciate that they don’t necessarily always follow the adage of the customer always being right...This has led to quite a few significant improvements to features that otherwise would have been subpar or not functional at all if they had not spoken up. In the same vein, they are also respectful when we acknowledge their concerns, but we insist on going in a certain direction" – Technical Director, Gaming Company

Neoteric established a paperless workflow for an automotive company by developing a microservices application. The application has several modules and includes functions that allow customers to choose parts; help contractors and warehousing facilities; process payments; send and share documents; trigger the company's system to send emails; and manage customers' overall interactions with the company. The app has caused revenue to grow exponentially. 

"Now that I've worked with Neoteric, I understand what was wrong with previous vendors." – CEO, Automotive Company 

Railsware developed a mobile application for a purchase tracking firm. They completed the front and back-end for the online database. Railsware delivered an app that serves as a compelling proof-of-concept to solicit investor capital and spur business growth. 

"Railsware's post-project support is really good. Even after completion, they're always available to answer quick questions or concerns."–CEO, Purchase Tracking Firm

Tivix worked with an intergovernmental military alliance to rebuild a mission-critical software system. If and when submarines in international waters come into distress, the organization plans and coordinates the rescue effort of such submarines. Tivix was given complex system requirements and asked to come up with an effective design and solution that would replace a decades-old system. The client was incredibly impressed at every stage of the engagement, with Tivix delivering detailed systems and user-experience design, followed by robust development and operationalization of the system internationally. 

“Every single milestone has been met exactly on time. The company has met every requirement, both in terms of time as well as quality.” Maritime Service Owner, Intergovernmental Military Alliance

Xfive designed and developed a website from scratch for a financial services startup. After designing the user journeys and pages, they executed full stack development using Ruby on Rails and HTML. Xfive built the platform to ensure mobile responsiveness and refined business processes. The website's simplicity generated praise from users, and internal stakeholders praised Xfive's technical expertise.

"They certainly weren’t spread too thin on too many projects, and that positively impacted the overall quality of the deliverable." — Co-Founder, Financial Services Startup 

Following an early partnership, Exadel created an open-source and highly sophisticated IAM (Identity and Access Management) solution for enterprise use. From research to discrete data integrations, strategic roadmapping to cloud-delivery services – they wowed the client with their personal dedication, seamless communication, and resource management.

“When it comes to open-source, their expertise is unparalleled. They knew what they were doing … They're true experts.” – Former Chief Security Architect, Fortune 500 Healthcare Company

Selleo worked on mobile app development for a greeting card company. They developed an iOS and Android app using Apache Cordova. They did this using an existing backend infrastructure using Ruby on Rails and offered additional security for the app’s use in financial services. The client appreciated the trust they were able to cultivate with them during the project.

“They’re good at communicating and careful when setting expectations. If I say something is urgent, they approach the situation like it’s urgent. It’s important to have trust between partners, and they’re open enough for that to cultivate.” – CEO, Greeting Card Company 

STX Next developed an online platform and web application from scratch for a government-run financial services firm. The firm outsourced the entire back-end development project to STX Next. The client was pleased with the quality of work, despite its difficulty, and how quickly everything was done. Their partnership is ongoing. 

"They always have brilliant ideas about how to improve the user experience, how to find exceptional cases. That part made my job and my decision to work with them again a lot easier." – Head of Product & Technology, Financial Services Firm

A universal bank hired Artegence to develop their online banking platform. Artegence was responsible for the development, technical analysis, and UX/UI design. The finished product helped the client expand their business online. 

"Currently, all of our clients use the platform. They appreciate its simplicity and functionality." - Head of Digital Channels, Universal Bank

Synergy Codes began working with a testing simulation firm to provide web application development services. It specifically worked with Vue.js technology to create a new interface for one of the firm's projects. The customer appreciated Synergy Codes’ ability to adapt to all types of projects.

"Synergy Codes easily caught on to everything we were doing and they were able to give us suggestions for improvement. They added value to our work. They’re smart enough to go further than just doing their job." – Product Manager, Testing Simulation Firm

A healthcare professional development startup hired FireArt Studio to create an online tool for healthcare professionals. FireArt Studio designed and coded the front end using Javascript and created custom illustrations for the UI.

"They came up with an attractive design with minimal direction and inspiration from our team. They were also quite helpful, pointing out some usability issues that we were able to fix before our users encountered them." — CTO, Healthcare Startup

Future Processing developed a scalable, bespoke solution for managing surplus food warehouses which helped to decrease product input time on key processes by up to 33% when compared to the old system.

“Each and every project has been a success.” – Founder, Business Services Firm

Cleveroad designed and developed an iOS application that connects dancers all over the world. The app provides a place for users to chat and share content with each other. Users enjoy using the app and the client was impressed with Cleveroad's communication and quality of work. 

“Users loved the application’s MVP for speed and functionality it brought. Cleveroad is a valuable partner due to their responsiveness and organized workflows helping to deliver high-quality work.”

A financial services company hired Sunscrapers to build a data science platform. They created a toolset for Windows along with a cloud-based data warehouse solution. The project allowed the client to launch a new data initiative and they were impressed by Sunscrapers' team's expertise. 

"They don't get distracted or flustered, and they focus on delivery. Plus, their knowledge of Python is extensive and deep." - Data Engineering Director, Financial Services Firm

Merixstudio used React and Node.js to develop a web platform for a procurement software solution. They provided excellent feedback on the site’s architecture to ensure that they delivered a quality product.

“Working on a tight timeline, Merixstudio delivered a top-notch product that satisfied the project’s needs. Their team was on top of the project at all times, proactively coming up with creative solutions. Unique to this partnership, the two teams fostered honesty and productive communication.” - Co-Founder & CTO, Procurement Software Solution

Emerline provided CRM-based solutions for an e-commerce development firm. Emerline primarily helped out on customer segmentation, as the firm's customers used Magento and Shopify platforms. Emerline used Python, MySQL, and JavaScript to develop said solutions. The project streamlined the firm's processes.

"Everything they do is done nicely, and without any delays or mess-ups." - CMO, E-commerce Development Firm

A publishing house hired 1000software to design a new website to accomodate new needs. 1000software analyzed the needs of the publishing house, their organization structure, and the tools that they are currently using. They then worked in Symfony and PHP to develop the website and integrated it to the publishing house's CRM and other tools. 1000software completed the project and the website they delivered has served the publishing house for years. They continue to provide technical support.

"Traffic on our site has grown even 10 fold and we still are having a perfectly smooth experience for each user." - Marketing Communication Manager, Publishing House

SPEEDNET provided iOS and Android development services for an app startup. They worked in React Native based on client specifications. The client is very happy with the development process thus far.

“The team is transparent, efficient, and communicative.” – CEO, App Startup

An education non-profit hired Nopio to move its registration site to a new Cloud platform and build its digital archives. The client saw a growth rate of over 100%. 

"Nopio was very flexible and was able to adapt to whatever our project structure was." – Director, Education Nonprofit 

Intetics worked with this publishing company to assist with content acquisition and development, while also building custom software solutions for the client's content. Before Intetics' help, the client's editorial update would follow a two-year cycle, which now only takes around 6-8 months, and it does so at a lower cost.

"Intetics' role is a critical part of our workflow. They’ve proven to be agile, highly collaborative, and very responsive." – Product Manager, Publishing Company

An aircraft services company needed an updated website for their business. The team added new features and maintains the WordPress platform. They also created a ticketing system for the company. They exceeded expectations with their quality service. 

"We've seen an uptick in leads translating to the website since working with them." –CTO, Aircraft Services Company

Codete upgraded the website of a study abroad company. They took over development of the client’s site, including a custom CRM and a content management system for schools. The client reports that, after the upgrade, the site loaded 60% faster and their traffic had doubled.

“The quality of the people that they put on our project was really good, which leads to good communication, high productivity and high output.” – Co-Founder, Study Abroad Company
 

 Ideamotive developed management software to adapt to the client's rapid growth. Ideamotive automated many of the client's operations, like task assignments and document generation.

"They performed perfectly. They make sure they understand us and that we understand them." — Co-Founder, Real Estate Drafting Firm

Order Group developed a navigation app based on pre-existing wireframes and documentation for an IT and services company. They built the native apps for iOS and for Windows devices. The end-client was impressed with their work and renewed their purchase for another year.

“Order Group provided extensive documentation of their resource allotment and effectively managed sprint timelines. They used their development knowledge to collaborate on and improve requirements, which led to high-quality deliverables.” – IT & Services Company

A large rail operator hired Crafton to redesign its website and integrate a ticket booking and sales service. The new website had improved SEO and garnered positive feedback from customers. 

"[Crafton] has an amazing team of UX and graphic designers." – Head of Sales, Transportation Company 

Adchitects built a website and mobile app from scratch for a social app company. They were fully responsible for the UX and UI design of each product and used WordPress to build the client's website. The client was impressed with their transparency and communication. 

"They’re very transparent about project scope and timelines. They have good service and communication skills, and the team is always very polite and friendly. They care about their customers." – CEO & Founder, Social App Company

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