Top 100 Ethereum Developers

PixelPlex worked on smart contract consultation and development for a crowdfunding startup. They built the contract system and created backend processes to enhance communication between the GUI and contracts. The client was impressed with their ability to deliver throughout the project.

“As for their effectiveness, PixelPlex delivered everything we asked of them on time with no major issues.” – CTO, Crowdfunding Startup 

A California-based content discovery startup hired ArcTouch to design a content discovery platform and iOS app. They provided feedback on the startup's user stories, created wireframes, and developed the platform and app. The project was completed ahead of schedule.

“We’re astonished at the quality of the work. We’re a small company, and we weren’t expecting the same level of service a Fortune 500 company might enjoy. We were amazed by their design and the effort that went into every screen.” – Senior Project Manger, Content Discovery Startup

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

Knoldus helped an online tutoring company re-build the company's existing codebase. The practice was incorporated with respect to Scrum base development. During the 2-month exam season, the product generated more revenue than the cost of the developing the product. 

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

Antier Solutions made a crime reporting app for a public safety startup. They built apps for iOS and Android and linked them to an extant backend database. They finished the apps far ahead of schedule and the client is impressed with the quality of the work.

“I was impressed with how they’d go out of their way to optimize a product via unique solutions, rather than churning out an inferior product using a standard development methodology.” – Founder, Public Safety Startup

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

OTR developed a VR visualization of a production facility for a software startup company. They created a full-scale simulation of the facility that included a 3D rendering of the facility. The product was a great marketing tool for the client, who was impressed with their communication and openness to help with all elements of the project. 

"OTR team was always open to communication and ready to assist in everything project-wise. The communication has been always very clear and precise, every step was first discussed and then reported to us." – Head of Marketing, Software Startup Company

HashCash Consultants provided blockchain app development services to a financial services company. The platform featured bitcoin invoicing, a merchant account management interface, a ticketing system, and more functionalities. The team worked quickly and efficiently, developing an impressive solution. 

“Once the product was launched, we got tremendous responses from clients who use cryptocurrency.” — Product Manager, Financial Services Company

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 

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

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 

PixelCrayons provided mobile app development services for a travel domain. The client wanted to increase engagement and revenue. PixelCrayons met and worked closely with the client, and then they used the client’s feedback to create wireframes and prototypes. After launching the app, the app received many downloads, and the client received positive feedback. 
 

“Within the first few weeks of launch, our app received thousands of downloads. We’ve also received a lot of positive feedback from users.” — Senior Software Developer, IT Company 
 

Debut Infotech has an ongoing partnership with a leading bank to streamline processes and help the internal team track sales. Debut Infotech developed server-side iOS and Android apps that integrated with the client’s backend custom relationship management (CRM) solution.

“The application already has 7,000-8,000 users, which speaks to its adaptability, speed, look, and feel.” – Head of Sales, Leading Bank

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

Accubits Technologies was hired by an IT company to provide outsourced blockchain development with multiple different projects such as making an ID platform, multi-signature wallets, smart contracts, and a wagering app. The client appreciates the quality of the work and notes that it always stays under budget, and will not charge if it goes over.

"They do a good job. They have a good attitude. They’re willing to work. They go over and above what we have specified. Their founder is really good because he keeps them on their toes. They delivered within budget. If they go above budget, they don’t charge us." — Founder & CEO, IT Company

A social fitness startup hired SoluLabs to develop a mobile app from scratch. The product used geofencing to connect people to fitness venues in different locations and was recognized by Inc. magazine for its user experience. After their release, the Android and iOS apps enabled the startup to gain more recognition and funding. The client credits SoluLabs' efficient work with being able to grow the company.

"They were responsive overall. If we needed quick changes to be made, SoluLab set up meetings and kept clear lines of communication to understand and diagnose our ongoing issue. ... I emailed and called the team at random times, and someone was always available." – CEO, Social Fitness App

A client worked with a Systango freelance developer and was impressed with their work. As a result, they arranged to migrate all their development to Systango from their previous vendors. Systango delivered a sophisticated and functional product much quicker than expected. The team's technical expertise stood out during the project. 

"The team in India has the necessary protocols, so, even though they've never touched a piece of this hardware before, they can deliver an app that can operate properly. They excel in terms of discipline and procedure." – CTO, IoT Startup

Dreamztech Solutions was hired by a hospitality tech startup to build out an end-to-end restaurant and hospitality management platform. The team created web portal and mobile app solutions — iOS and Android — that enable restaurants to adapt to new COVID-19 standards. The solutions quickly secured an industry-leading clientele and enabled users to sustain operations during the pandemic. 

"They have the ability to do things quickly and correctly for a price that works."  – Owner, Hospitality Tech Startup

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

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

Finwin Technologies completed a development project for a blockchain analytics company. They built a smart contract platform similar to Google Analytics that could provide analytics for the Ethereum Blockchain network, taking care to include numerous functions and keep the design user-friendly. The client has received positive stakeholder feedback on the accuracy and efficiency of the platform.

“After few months since our platform was launched we have received positive feedback from our partners. The design was simple and user friendly, the results were very accurate.” – CTO, Blockchain Analytics Company
 

MixBytes recently worked on security audits for a cryptocurrency market platform. They displayed blockchain data after conducting an audit on a major cryptocurrency source code for that client.

“After receiving the audit report, we implemented their most useful suggestions. Now we're even more confident in the security of our service.” — CEO, Cryptocurrency Market Platform

 

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

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

 

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

 

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 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

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 

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