Top 70 Blockchain Developers in Poland

EthWorks was hired by a digital hedge fund to revamp its platform and improve design and user experience. 

"Ethworks did a fantastic job on the website. It looks very professional and performs much better. Since the team completed this project, our investors have been engaging much more effectively with the platform." —Manager, Hedge Fund

4soft was hired by an entrepreneur who wanted to create a photo application similar to Instagram. 4soft supplied full-scope development for the Android app, working on every aspect of the application: the landing page, the backend database, server connections, and the front end. The application has around 60 filters, which is particularly ambitious, but since its completion, the app has had around 300,000 to 400,000 downloads with around 50,000 paid downloads.

"I wanted to develop an app which would be better than Instagram; in some respects, I achieved this. The app has been successful, reaching between 300,000 and 400,000 downloads" — Entrepreneur

Nextrope developed custom software for a banking company. The team integrated an API that offered methods for signing and publishing transactions on the Ethereum blockchain. This project was the first in Poland public blockchain implementation in the banking sector.

"Nextrope fully met the bank's expectations regarding cooperation, meeting necessary deadlines and providing fast, flexible and reliable service." — Blockchain Strategy Lead, Banking Company

10Clouds built a software for speech recognition and language processing for an AI cloud computing company. They helped with coding, UX/UI design, integration and deployment, and maintenance. As a result of 10Clouds' work, the software now has tens of thousands of users. As a result, the company and 10Clouds have continued working together on different software projects. 

"10Clouds can always find the best developer for a project. I'm often impressed by the quality of work they deliver. I appreciate their knowledge, discipline, code of conduct, and creativity. So far, 10Clouds has been the best engineering development company I have used. I've learned so much from them."- CEO, AI Company

Code Poets recently worked on web development for a pharmaceuticals company. They developed a web app through front- and backend projects for that client.

“We’ve continued our partnership with them because the quality of their work has been sufficient.” — Director, Pharmaceuticals Company

 

SoftwareMill provided a mobile app developer in San Francisco with back-end server development using Scala. The client's project was for the media and communications industry, and they needed a comprehensive software architecture solution for a sophisticated project. SoftwareMill integrated several API's for automating data management, and optimized them for scalability. The client was satisfied both with the quality of results and with the service they received in the partnership.

"Qualitatively, SoftwareMill has always hit projects on time and on budget. There have been no issues around major delays or cost overruns." - Managing Director, Mobile Development Firm

Craftchain provided blockchain services for a stair ladders company. They developed a blockchain platform to oversee business logistics and track workflow. The client was impressed with the outcome of the project. 

“Our transactions can now be about 50% faster, and we no longer have to invest as much money into unsatisfactory business practices.” – Partnerships Manager, Ladders Company 

Ulam Labs built a crytocurrency trading platform from scratch. They complemented the client's design work with frontend and backend development and DevOps for the platform using Python, Docker, and Kubernetes. The client was most impressed with the quality of the code. 

"The quality of code is excellent." – CEO, Cryptocurrency Trading Platform

Pragmatic Coders developed an automated web app with email notifications for a translation company. They replaced a cumbersome Excel-based system to enhance quality evaluation and assessment and create a more efficient workflow. Their innovative app improved translation quality, turnaround time, and performance evaluation.

“Launching the app increased overall translation quality, and we can now track the translation indexes for each project and analyze translator and reviewer performance. The linguists are very happy with the new workflow, which elevates the communication between translators and reviewers to a more professional level and eliminates negative feelings.” – Co-Founder, Translation Company

Blockhunters executed a security audit of a layer-one blockchain distributed tech solution. They checked for bugs and audited the theory behind the consensus, providing both tactical and strategical services.

“It was a top-notch experience across the board, and I’d love to work with them again.”

Espeo Blockchain developed an iOS and Android app integrated with the client’s existing site, of which the team built the mobile version. They're now creating a web app using React to give users more freedom.

"The app is very well done and everything I expected. We’re thrilled with the team’s deliverables."

Concise Software worked on music app development for a technology company. Using MapKit and other technologies, they developed a native music radio mobile app for iOS. The client was impressed with the large amount of traffic the app received as a result of the project. 

“The app reached approximately six million users, which greatly exceeded our goal. The best success is that we sold the app to a bigger competitor.” – CEO and Founder, Technology Company 

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

Innowise Group is helping a design agency build a mobile app, including for iOS and Android, that enables the agency to manage their graphic designer's resources more efficiently.

"They’ve exceeded our expectations and are responsive when we request for changes or asked for more information."

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

Softjourn provided need-based development services for an internet ticketing firm. Initially, they worked on the main ticketing website, then began to take on more responsibilities. The client appreciated Softjourn’s professionalism.

"The code quality was good, deliverables were brought in on time, and Softjourn’s team was very pleasant to work with.” — CEO, Internet Ticketing Firm 

A document automated system needed help with data management and hired ICEO for their services. ICEO helped automate document management using a custom-built system, and also built a commercial website with plugins for MS Office. The product helped out in the company's document management operations.

"They not only delivered a great product, they have found a way to commercialize it so that it would benefit my company in the long run." - Former CEO, Document Automated System

Cardinal Cryptography provided platform development, mathematical research, and design. Their team also handled PR and marketing research. The team also provided branding and logos. 

"The level of professionalism and support regarding research has been exemplary."

Evojam provided Angular UX and development services for a company's manufacturing software. They also built an imaging and editing tool for them. The client was impressed with Evojam's industry knowledge.

"We’ve gotten positive feedback from our clients about the UX/UI, and everyone is happy with the frontend work they’ve done." – Co-Founder, Software Startup

createIT.com recently worked on platform development for an e-commerce solutions business. They conducted software development on the platform for that client.

“It's a very open-minded and valuable partnership. They have outstanding skills, and they’re a dedicated team. ” — Managing Director, E-Commerce Solutions Business

 

A computer and network security company hired Neti sp. z o.o. to provide custom software development. They've developed a smart contracts platform using Solidity with antivirus protection and other features.

"With them, it's more about the working relationship than the money."

Scalac, Inc. supported an IT company migrate their communication solution onto a Scala-based platform. They worked with an internal development team and provided full-stack support. Internal stakeholders saw the value of their company rise after the launch of Scalac Inc.’s final product, and were even purchased by an investor.

“The system is not only a large improvement in terms of function, but we’ve also been able to lower our operational costs to keep it running. The platform we built with Scalac, Inc. was absolutely transformative for our company. Since we developed the product, we’ve been bought by an investor.” – Software Engineer, IT Company

Montrose Software renovated a site’s backend and migrated the platform to Microsoft Azure SQL Database. They also converted site pages to ASP.NET and implemented JavaScript technology and hybrid solutions.

“Mistakes were rare because they understood our business and actively listened to our needs.”

Nebulic helped develop a network of websites and improve platform efficiency for an architectural design firm. They worked in Node.js and Ruby on Rails and are continuing to make improvements.

"They help me determine what is working well for my business and what would make it better."

Lexogrine provided UX/UI redesign solutions for a gift-giving platform. Lexogrine updated the platform's design, making it sleeker and more modern. Their work was met with positive feedback from internal sources.

“Very smooth.” - CTO, Gift-Giving Platform

Rumble Fist Software Development developed a CMS for a pet hotel. They used React and added new features to the UX. The new site is user friendly and easily customizable.\

“This is saving us hours a day on productivity.” -  Director, Pet Hotel

A video and telepresence solutions provider partnered with Yameo to develop a new core product.

"We are currently winning more and more new customers."

Webini provided a cybersecurity audit of an IT solutions provider's custom application. The main project objective was to verify the development of the app and conduct security tests.

"We quickly found out that they are experts."

A digital marketing company hired SotaTek JSC to provide software development and IT consultancy services. Following the company's specifications, SotaTek developed a software that enabled the company's team to track marketing analytics metrics and performance in company website and various social channels, including Google, Youtube, Twitter, Linkedin, keywords trackers. This software exceeded the company's expectations.

"A timely partner, SotaTek always worked in the fastest pace, met deadlines and encouraged direct communication with all team so that we can catch up daily. Reliable." - Digital Marketing Team Leader, Digital Marketing Company

CROSS sp. z o.o developed custom versions of invoicing software to track customer interactions, including a version for an electricity product. They consistently update the system to ensure legal compliance. 

“CROSS sp. z o.o is truly passionate about their work and committed to securing success for their customers.”