Top 60 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

Look4App was hired by an entrepreneur who wanted to create a photo application similar to Instagram. Look4App 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 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

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

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

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 

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

 

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

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

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 

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."

Blockhunters did a security audit of a layer-one blockchain solution for a blockchain infrastructure startup. They found and fixed bugs that would’ve caused irreparable damage to the product. The client was pleased with the engagement from beginning to end.

“I have nothing but positive things to say about my experience working with Blockhunters.” – Former CTO, Blockchain Infrastructure Company

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 

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

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

Cardinal Cryptography provided web design and development services for a blockchain platform. The platform needed design, development, and research solutions for their website. The platform is more than satisfied with Cardinal Cryptography’s quality of work.

“I’m very satisfied with the branding and materials from a design perspective.” - President, Blockchain Platform

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

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

 

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

180 Creative developed an app that would help a nursery manage their services. The app managed payments, meal plans, and acted as a communication device. The app has helped to make the relationship between the nursery and parents smoother. The client prides 180 Creative on their communication.

"Their [180 Creative's] support is remarkable. We could always count on their help even after the project ended. They didn’t just leave us after they completed their work, which is the biggest advantage of partnering with them."- Owner, Nursery

Nebulic developed a network of websites and improved platform efficiency for an architecture firm. They worked in Node.js and Ruby on Rails to make improvements. The changes delivered by Nebulic have transformed the client's business, improving efficiency and overall profitability.

"They not only made a great website, improved UX/UI, and made changes in the platform's efficiency, but they also tell me what I should do to take better advantage of the features I already had. They help me with my business goals to really reconsider everything that I’ve been doing." – CEO, Architecture Firm

Montrose Software worked on website development for a real estate platform. They built the website from scratch, managed UI and design, and integrated salesforce. The client was happy with their consistent communication throughout the project. 

“They were communicative and organized and their billing was very detailed. We rarely had to wait for them; whenever the process slowed down it was usually because of issues on our end.” – Former Product Manager, Real Estate Platform 

Yameo developed web and mobile applications for a German home appliance firm. The app was moving from the client's innovation department to a product rollout, and needed additional development resources to provide adequate functionality. After a trial with target users, Yameo was tasked with several complex back-end and infrastructure changes, including integration with a video streaming plugin. They delivered the platform according to the client's specifications, who noted that the success of the project was largely due to Yameo's efforts.

"Yameo was quite easygoing. If any issues arose, or if they had budget or timeline problems, they always communicated them. We solved a lot of issues through professional communication." — Innovation Manager, German Applicance Firm

CROSS sp. z o.o. provided custom software development services for a utilities company. The client needed a new system that would help make their business run more smoothly. CROSS sp. z o.o. built the system for the client’s employees; the system allows employees to do things such as sell products and make reports. The client has stated that this system is essential to the company.

“We can’t operate without this system.” —Director, Utilities Company

Madiff provided frontend and backend .NET programmer teams to an assistance company as SCRUM teams to help the internal team of developers enhance the company's core assistance system and web-based insurances selling portal. Madiff delivered on their tasks and met all expectations.

"Good quality of deliverables, effective work started after 2 weeks already (first 2 weeks needed to get familiar with local specifics)." - Local CIO, Assistance Company

ITSharkz was hired by a medical supply business to develop and maintain the business's e-commerce platform, develop dedicated backend modules to improve the platform's operation, prepared the landing page, and created a custom blog. ITSharkz delivered on all these, improving the overall operations of the business and the latter's relationships with its partners. 

"We were able to complete the order without delays." - Executive Manager, medical supply business

Winalife provided UX/UI and development services for payment software. They worked on the research, design, and development of the platform. Their services helped the client achieve their alpha MVP to secure partners. 

"We were delayed on our end for nearly every deadline and they had to wait for us, but they were very patient." – Co-Founder & CTO, Payment Software

Mobter worked on application development for a network security company. They developed a custom mobile application for an authentication and authorization system. 

“The application works extremely well and has had no major problems. Our clients are all happy, so we are happy with Mobter.” – CEO and Co-Founder, Network Security Company 

LuxSoft provided Managed IT Services for an IT company. This involved IT services and consulting for day-to-day issues, as well as larger projects such as cloud migrations. 

"They did a nice job, handled many projects, and have a good team."