Top 100 Blockchain Developers in Eastern Europe

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

Peiko designed a corporate website from the ground up for an insurance company. They also built a CRM using PHP, HTML, CSS, and MySQL. Peiko’s commitment to understanding business goals and needs has translated into notable results, including high client satisfaction.

“They’ve successfully applied an agile approach to our project. Balancing quantity with quality in their workflow, they meet deadlines and maintain a high level of professionalism.” – Head of Marketing Communication, Insurance Company

AXIOMA partnered with a digital design firm to assist the organization with various digital development projects. The team at AXIOMA has partnered with the client on numerous digital projects for them and their end-client organizations. They also provide back-end PHP development for the client's account management system. Additionally, AXIOMA developed a web-based application to help the client manage the organization's accounts more effectively.

"We have been absolutely satisfied and never had major problems. Development will always be a bit tricky, but AXIOMA delivers work on time and mostly bug-free. I am very happy with them."-Creative Director, Digital Design Firm 

Itransition has cooperated with an insurance platform since 2017, helping them launch multiple products. They helped grow the project team to more than 60 professionals, including developers, business intelligence resources, and QA engineers. Itransition stays with the insurance platform to deliver ongoing improvements to their well-received digital projects.

"A key attribute they possess is the ability and willingness to provide valuable feedback and ideas. They're collaborative and flexible." – CTO, Insurance Platform

Adoriasoft completed multiple development projects for a PC software company. They worked including product API and development and database maintenance. Over time, the agency took on more projects for the client.

"They’re very prompt, attentive and organized. They’re a very professional organization." — Product Marketing Manager, PC Software Company

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

Blaize was hired by a security company to develop a a token bridge that can swap between Ethereum and Hyperledger networks, an application for two-factor authorization that utilizes the company's blockchain and service to keep transaction comments and notifications via Telegram bot, and other later projects. Through this engagement, the company's team and clients feel more assured about data security.

"With some exceptions, Blaize team always delivered on time and within budget." - CEO, Security Company

4ire Labs was tasked with creating a mobile app for a document management company. The client wanted an app that would allow users to create and sign documents directly from their mobile phones in order to help their customers save time. 4ire Labs initially developed and launched an Android version of the app, and following its success, the client requested an iOS version. The client was impressed with the team at 4ire Labs' flexibility and communication skills throughout the project. 

"4ire Labs really impressed me. I liked the flexibility and speed of their communication; they also have rockstars in design and usability." - CEO, Document Management 

Inn4Science worked on blockchain development for an online commodity exchange. They provided services including a proof of concept, business analysis, blockchain and web development, design, and technical support. The client was satisfied with the outcome of the project. 

“Every member of their team was professional and welcomed the use of an agile methodology. The designers captured our ideas perfectly, and the working process was quite seamless and comfortable.” – COO and Co-Founder, Online Commodity Exchange 

Merehead created a B2B platform for group-based hiring for a staffing company. They provided design and basic development and integrated features like Stripe billing processes, along with offering maintenance and additions. The recently published website has already attracted interest from sales prospects.

“They have amazing design skills. They’re also proficient in development, which is where our CTO focused, but he didn’t have to work on the design side at all. I would recommend Merehead to anyone looking for design services.” – Co-Founder, Staffing Company

Velmie worked on advanced software development for an exercise equipment manufacturer. They developed an embedded software for recording exercise routines and guiding users through them. They integrated remotely with the in-house team and provided support. The client appreciated their ability to deliver.

“They’ve delivered everything we ask for. We care strictly about results and we have seen those from Goiot. The main thing is that stuff works, but the fact that we enjoy working with them is a bonus.” – Founder, Exercise Equipment Manufacturer 

Limechain developed a blockchain model for a research startup to economize their client’s scientific processes. Limechain provided business logic and methodology for the development of an ICO. Their expertise helped upgrade a contract for the client.

“They’re knowledgeable and have solved significant problems in the blockchain community. For example, LimeChain upgraded a contract we wanted to deploy and made it reversible.” ­– Head of Development, Research Startup

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

Perfectial increased software reliability and scalability for an online advertising software company. Their ongoing work with the client includes software and web development, API development, and reporting development. The client appreciated Perfectial’s collaboration and high-quality work.

“The general feedback has been that they are extremely efficient at getting work completed and out the door.” – CEO, Online Advertising Software Company

S-PRO was hired by a hockey league in order to develop a mobile app for the organization. The client wanted a mobile app that would allow hockey players to easily schedule events and collect payment from team members. S-PRO developed the app for Android and iOS using React and also designed the user interface. The client was impressed with the team at S-PRO's responsiveness despite a significant time difference. 

"Anytime I needed anything, they were available for me, and that’s really important." - Managing Director, Hockey League 

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

Ackee created a promotional application for an international cellular provider as part of its holiday season marketing campaign. Ackee gamified the experience, creating an interactive contest with real prizes for the client's customers. The large-scale data architecture required led Ackee to develop a complex back-end for the client's servers that enabled access by up to 300,000 visitors at once. Additionally, the project integrated second screen features that allowed users to interact with the cellular provider's TV spots.

Unicsoft developed native Android and iOS applications for a network security startup. The end-clients are software developers and system administrators, and the startup needed sophisticated programming expertise. They produced technical specifications and integrated security features into the UX. The client reported that their technical expertise and communication skills exceeded their expectations.

"Unicsoft was able to quickly work with us to define the necessary product and functionality and then dive in." - Founder, Security Startup

Dapplica provided various services for a blockchain company. Dapplica worked on various projects for the company, including design, development, and blockchain work. The company is happy with Dapplica’s quality of work.

“Dapplica is an industry leader.” - Co-Founder, Blockchain Company

Infopulse designed and developed a mobile application for an Olympic committee within a tight timeline. The app included functionalities that allowed video content sharing and scheduling information.

“Their openness, professionalism, attentiveness, and responsibility are what’s most impressive about them.” – Marketing Manager, Olympics Committee

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 

A logistics company hired Dev Centre House to develop a mobile app for customer requests and a desktop admin website for the administration of the app. The resulting app made operations more efficient, enabling the company to monitor submissions and easily communicate with users.

"He ensured the user experience was smooth and direct. He set targets for new updates and delivered each time." - Head of Production, Logistics 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

 

482.solutions used an IBM Hyperledger Fabric model to create an identity management and authentication system powered by blockchain for an IT and services company. They also added innovative features on top of the existing framework. They impressed the client with their reliable communication, high-quality work, and expert advice.

“They’re always very prepared. Before we started working with them, we had several meetings in which they brought a lot of materials, samples, case studies, and they always tell us what will be best for our business.” – CEO, IT & Services 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

Serokell OÜ was hired by a 3D solutions developer to assist in developing software for real-time 3D scanning at a planetarium. Serokell OÜ's assistance in the project ran smoothly as expected, and no problems occurred.

"They really smart and they speak Russian, don't know what to say else." - CEO, 3D Solutions Developer

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

Crypton Studio developed custom software solutions for a cryptocurrency data analytics platform. Crypton Studio has worked with the platform on various bespoke solutions since 2020. The platform is impressed with the level of communication that Crypton Studio maintains.

“Full-stack development, great competency, amazing people - engaging and knowledgeable team.” - Founder & CEO, Cryptocurrency Data Analytics Platform 

A shop-builder startup hired EvaCodes to provide front end development for their mobile app and related websites. EvaCodes worked on the designs and the wireframe provided by the startup and developed them into a fully functional iOS app that connects to an external website. They completed the project and met the startup's expectations with their work. To date, the resulting app hasn't been launched yet, but feedback from initial user tests have been mostly positive.

"We were very satisfied with the work of EvaCodes and plan to continue working with them in the future." - COO, Shop-Builder Startup