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

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

Espeo Software created a sophisticated tool for a digital education company that evaluates and certifies digital and analog education resources. The company continues to improve the tool's functionality and is currently building a related catalog site. The tool Espeo Software delivered runs smoothly and has garnered positive feedback from internal users.

"The service has been flexible, trouble-free, and efficient." –  Head of Operations, Digital Education Company 

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

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 

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

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 

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

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

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.

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

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 

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

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

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 

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

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 

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

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

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

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

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

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 

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

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

An alternative payment processing network hired HiTech Service to augment its existing development team and create a retail-oriented cryptocurrency payment network. The agency delivered in every aspect. 

"We compared HiTech to several other outsourcing firms we’d worked with in the past, and HiTech's strengths made them a great fit for this project." – Founder, Cryptocurrency Network 

Teamvoy was hired by a museum game development company to build an interactive mobile app. The platform was built in React Native and was designed to pair with an exhibit about capitalism. The team’s work ultimately had a positive impact on the museum.

“They find fast and good solutions.” — CEO, Game Development Company

Together with a blockchain market, Openware SAS created an exchange with a series of technologies. The client praised them for their technical competency and professionalism. 

"They’re a proper software engineering firm." – Founder, Blockchain Marketplace

IdeaSoft.io recently worked on web development for a broker company. They implemented a ranking system through a database they developed for that client.

“The database is available to specific customers, and it’s going quite well.” — CEO, Broker Company