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

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

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 

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

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

A client management company engaged Yellow to complete an unfinished app and develop a client-collaboration portal. Building on a previous vendor's work, Yellow completed the app using Ruby on Rails, adding a login portal, cybersecurity measures, and other new features. Since then, the app has received unanimous praise for its simplicity and user-friendly functions.

"Yellow stands out because they’re invested in the results and clients. " – Co-Founder, Client Management Platform

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

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

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

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 

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

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 

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

Under a tight deadline, Ready4S developed and implemented an app solution to give the client’s employees easier access to customer data. The team earned praise for its cooperative approach, project management skills, and quality results.

“I am pleased with our effective cooperation with Ready4S. … I highly recommend Ready4S as a reliable partner.” – Former Sales Support Director, Global Bank

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

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

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

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

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

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 

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

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

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

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

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

A lighting supplier tasked Chilid (now Boldare) with developing a new website. The client wanted an easy to navigate website that would feature products and raise brand awareness. Chilid began by organizing workshops and performing brand research to better understand the client's needs. Based on their research, the Chilid team successfully developed a website that aligned seamlessly with the client's brand. They provided frontend development, QA testing, and ongoing technical support. 

“We were immediately impressed by the scope and sophistication of their work.” – Marketing Manager, Lighting Supplier
 

 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

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

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

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