Top Blockchain Development Companies
Best Block Chain Developers

Paramount is a fast-growing and proven IT Services firm providing world-class technical and staffing solutions in both the public and the private sector. Established in 1997 and headquartered in Alpharetta, GA, the company is founded on the principle that a leading IT services firm must employ only the most experienced, application-specific resources, and technologies. In this effort, the company has developed time-tested methodologies in our dynamic approach towards infrastructure and talent solutions.
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Undisclosed
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50 - 249
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Undisclosed / hr
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US, Alpharetta
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Perfect Presence is built on a foundation of three pillars. Our specialization in emergent technologies keeps us looking towards the future. Our focus on high caliber standards, projects, and clients lets us provide individualized and cream-of-the-crop service. Most importantly, with our ability to bring your idea to life with a quality often lost in large software development companies, Perfect Presence stands out in a sea of similarity.
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$50,000 +
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10 - 49
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$50 - $99 / hr
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US, Bethesda
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At PixelPlex, we custom-build competitive solutions for specific needs of our clients to help overcome challenges and grow bottom lines.
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$25,000 +
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50 - 249
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$50 - $99 / hr
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US, New York City
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Highly skilled company with over 300 employees in the US, Canada and Europe specializing in: Custom Software & App Development, AI, Blockchain, Data Management, Outsourcing, and Hardware Integration. Excellent Quality/Price Ratio. Start your digital transformation journey with Poliance!
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$1,000 +
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250 - 999
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$50 - $99 / hr
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CA, Toronto
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The Power Ledger is bringing Power Ledger's P2P solar energy trading blockchain technology to the world. Power Ledger Pty Ltd allows renewable energy asset owners to decide who they want to sell their surplus energy to and at what price. Using blockchain technology we provide a transparent and auditable. We believe empowering individuals and communities to co-create their energy future will underpin the development of a power system.
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Undisclosed
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10 - 49
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Undisclosed / hr
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AU, Perth
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Productive Edge is a Digital Transformation consultancy specializing in Enterprise Custom Software, Modern Mobility, Artificial Intelligence, Cloud, Digital Experience, Blockchain and Virtual and Augmented Reality solutions
Discover what's possible for your business with Productive Edge
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$50,000 +
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250 - 999
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Undisclosed / hr
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US, Chicago
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Project Verte is a social ecosystem that uses blockchain technology to create a participatory community. When we work together we benefit not only the lives of others but also our own. Our technology includes fully automated dynamic fulfillment, the most advanced intelligent inventory management technology, an intuitive seller portal, secure payment processing, blockchain technologies and full access to a transparent central database.
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Undisclosed
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10 - 49
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Undisclosed / hr
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US, McDonough
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We believe in upgrading ourselves continuously at a pace faster than the market. We have been investing in futuristic technologies such as Blockchain, Artificial Intelligence and Machine Learning, IoT, RPA to name a few. Our ERP solutions are adopted across the globe to improve the business processes and enhance the efficiency of various businesses.
Prolitus has set its mission since inception to become an entity that helps transform businesses through cutting edge technologies, thereby helping customers with sustainability. To reach our goals, we have our objectives clear-nurturing the culture of innovation and passion within the organization. And this is only possible with continuous investment in R&D to stay ahead of the curve. Innovation is planning and executing better ideas for optimizing businesses through digital transformation, for external ecosystem and internal methodologies. Innovation is creating and adding value.
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$10,000 +
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50 - 249
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$25 - $49 / hr
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IN, Noida
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ProtoFire provides professional services for token-based startups. We help startups at pre- and post-ICO stage with legal, marketing, and actuarial services, as well as protocol and smart contract engineering, and risk modeling.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Sunnyvale
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Working with Pstox means working with highly skilled integration architects and solutions developers. Services include: Architecture and design, development of APIs, #Mulesoft integration, quality assurance in progressive modular deployments. Understanding their needs, and supporting them through the integration of the most advanced solutions, taking their client experience to the next level. You know your business and we know Mulesoft. We are ready to help you achieve tomorrow’s goals.
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Undisclosed
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2 - 9
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Undisclosed / hr
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CA, Montreal
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Pythian is a global IT company that helps businesses leverage disruptive data technologies to better compete. Our services and software solutions unleash the power of cloud, data and analytics to drive better business outcomes. Our 20 years in data, commitment to hiring the best talent, and our deep technical and business expertise allow us to meet our client promise of using technology to deliver the best outcomes faster.
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$25,000 +
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250 - 999
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CA, Ottawa
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We expand and create development teams with our Javascript Masters!
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$25,000 +
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10 - 49
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$50 - $99 / hr
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PL, Katowice
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QGenda is the #1 cloud-based, automated physician scheduling software. Since its launch in 2006, QGenda has grown to serve more than 2,500 customers in over 30 medical specialties across 5,000 hospitals. Leading physician groups, hospitals, academic medical centers, and enterprise health systems use QGenda to optimize their workforce which allows them to provide the best possible patient care. QGenda is headquartered in Atlanta, GA.
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Undisclosed
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50 - 249
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Undisclosed / hr
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US, Atlanta
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We listen and take note of your needs, define our role, and visualize the solutions. This process allows us to implement flexible and effective processes and conquer ever-evolving challenges in business and communications. Staying ahead of the curve is the key to success in today's business world. We make sure to keep our eye on changes and elevations in technology, as that is what keeps us current and your company competitive.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Hopkins
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$5,000 +
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10 - 49
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$50 - $99 / hr
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UA, Lviv
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To build a robust and scalable application, we follow a startup-oriented approach, which includes choosing the right tech stack that meets our clients’ expectation, fulfills their business goals, fits in their budget, and help in raising funds.
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$5,000 +
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50 - 249
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< $25 / hr
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IN, New Delhi
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Every so often there is a chance to make a difference. To undertake a project, which against all odds, makes a technology of the future an achievement of today.
We can deliver fully integrated solutions (included but not limited) like Augmented Reality, Artificial intelligence; we develop AR Mobile Games, Blockchain and Smart Contracts, None Blockchain Cryptocurrency and more…
We know better than anyone else the importance of ‘collaborative development’. We work alongside you to determine the best solution for your budget. You are involved in the development process every step of the way to ensure your requirements and objectives are met and your software has the best chance of success.
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$10,000 +
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10 - 49
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Undisclosed / hr
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CA, Montreal
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At Red Axle we are proud of our strong track record delivering top-notch, high-performance mobile and web-based software products and services. Our mindset is that of the special forces allowing us to deliver more with a smaller head count.
Go from concept to delivery in record time with our rapid development philosophy. The software frameworks and components we have developed and enhanced over the years significantly boost turn-around times.
Experience what it's like to have world-class maintenance and support to help you adapt in ever-changing online and business environments.
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$25,000 +
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2 - 9
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Undisclosed / hr
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US, Chicago
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$10,000 +
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50 - 249
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$25 - $49 / hr
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GE, Tbilisi
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At Relinns, we breathe tech solutions and embrace innovations with open arms. With over 3 years of experience, we have had a phenonmenal growth which acts as testimony to the knowledge we have come to gather over time.
Our team is on the path to find religion in the workplace. To find our way we have three tools at our disposal: cutting edge technological tools handled by our top notch tech geeks whom we proudly refer as magicians, a metaculiously dedicated work ethic, a crisp bow-tie professionalism
Exceeding expectations is our standard! We live in the realm of rising, ever evolving technology. From cassette tapes to Nanotech skeletons, we have come a long way. Change is inevitable and we are the tide that brings it!
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$5,000 +
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50 - 249
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$25 - $49 / hr
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US, Chicago
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$5,000 +
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50 - 249
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$25 - $49 / hr
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US, Chicago
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Our team's focus is to unlock next-generation possibilities and also sort the real-time challenges for web development with the latest innovative technologies like website development with Gatsby, Nuxtjs, Nextjs, Gridsome, Graphql, Netlify, and Jamstack. We help businesses to opt for modern advancement and sell on multiple channels with headless E-commerce solutions with Virto Commerce and nopCommerce.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Dallas
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At Revelry, we believe that we all build better together. Building together, for us, is about a collaborative nature of product development. It means that we center your best interests in everything we do. We are collaborative, we’re transparent, and we’re committed to doing this with you. We don’t go behind a curtain after you give us instructions. And we don’t tell you how to build your product without giving you a say. Together we design, build, & launch products to build amazing companies.
Our team of engineers, designers, and product managers has created hundreds of partners’ applications in the past decade. Our products are scalable, based on business requirements, and designed to surpass company goals. We have a collaborative, agile-based approach to product development. In addition to building products with partners, we have worked to scale, build, and mentor internal development teams at companies and shared our styles, approaches, and tools for product development.We unleash human potential by delivering innovative software products people love. Founded in 2012, Revelry designs, deploys, and manages scalable software solutions for companies across the globe. From a good idea through your millionth line of code, we got you. Your krewe is waiting.
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$25,000 +
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50 - 249
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$150 - $199 / hr
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US, Chicago
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Revinfotech Inc is a leading global Development Company that's Empowering Disruptive Startups & Fortune 500 companies in bridging the gap between Ideas and Reality through innovative Mobile solutions. We have a talented team of 120+ experts, who have successfully Designed, Developed & Delivered more than 800+ Apps globally in just 13 years. Breaking all growth records, we believe our Work Culture is what drives us and made all this possible to have emerged as one of the most trusted & fastest growing company in the Industry. we provide a wonderful blend of IT solutions that covers both Enterprise and Customized Solutions. Broadly, our areas of proficiency comprise a perfect intermingling of IT Consulting Services, Mobility Services, Application Services, Big Data and Product Engineering. Our Core Competencies are : • Enterprise App Development using technologies • Enterprise Mobility Solutions (iOS, Android, Augmented Reality, Virtual Reality) • Analytics/Big Data & IoT, Chatbots, Artificial Intelligence • Custom Application Development Services • Product Development/Maintenance/Re-engineering Services • Migration & Porting services (To newer technology platforms, database) • Software QA/Testing services • Cloud Solutions We strongly believe that behind the 200% business growth we’ve traced in the past two years, it is the collective effort of our 100+ skilled employees and are partnered with some of the fortune companies to provide the best solutions to our fortune clients i.e. Microsoft Certified Partner, IBM, Amazon Services. 120+ Creative Techies | 870+ Successful Apps Developed | | ISO Certified | Quick Delivery track record | Global presence | Passion for Innovation & Quality | Proactive Implementation | Rich User Experience
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$5,000 +
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50 - 249
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$25 - $49 / hr
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US, Irvine
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SaaSberry is a team of veteran software builders, marketers and sales professionals using a proven process to turn ideas into revenue producing custom software.With the combination of a Canadian development team and global partnerships with world leaders in artificial intelligence and augmented reality, SaaSberry builds custom cloud software.
Today’s business is facing tough times – and not just because there are signs of economic slowdown looming. As digitization reshapes business norms, companies from every industry sector are challenged to keep pace with ever-changing employee and consumer social behaviour. SaaSberry partners with business to help disrupt!
With deep experience in software engineering, we provide a wide range of consulting services. SaaSberry begins with a comprehensive analysis of your existing system, maps out your plan with the introduction of new components and guides you in the complex software world.
We specialize in custom building Web, Mobile, Desktop, Big Data, and Real Time Applications.Data Analytics and Machine Learning (ML) are fields of artificial intelligence which use statistical techniques to give computer systems the ability to "learn". In today’s world, we can leverage partnerships with companies like Microsoft to provide AI as a Service and build custom software, delivering outcomes which improve client's gross margins. At SaaSberry, we truly try and build AI into every project we do. What we can deliver today was not possible yesterday and the results are astonishing.
SaaSberry is an Agile-driven technology vendor, dedicated to bringing some of the world's most valuable intellectual resources within our clients reach. We focus on building custom software and utilizing Machine Learning, Data Science, Natural Language Processing and DevOps so our clients can benefit.
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$5,000 +
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2 - 9
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$100 - $149 / hr
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CA, Vancouver
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Our key differentiators: 1) We use the latest technologies for your application’s development, we ensure only the latest frameworks and scripts are deployed. 2) Our developers are some of the finest in their receptive working technologies. 3) We treat every project as our own venture, we notify clients about the pitfalls of a path they chose, and then guide them accordingly. 4) We create on-demand apps in the least turnaround time possible. 5) We have some of the best designers in the industry, they know exactly what our clients and their end-users would love.
SemiDot Infotech is one of the top-rated IT companies across the USA, UK, Dubai & India. Our ideology is to excel in what we provide as custom web and app development services, tailored specifically for each of our client’s needs. We strongly believe in the client's first approach and will prioritize developing your website or app in the latest technology, and in the least possible time.
What makes SemiDot Infotech different aren’t the 200+ successful websites and 100+ mobile apps that we delivered since our inception, it’s how happy each of our clients was, with what we delivered. With our strong roots in the latest technologies like the Blockchain, AR, and Chatbots, we excel in developing apps for all kinds of startups. But what we truly take pride in, is making efficient and scalable custom websites, using PHP, Python, and JavaScript. We believe in creating highly scalable and flawless mobile apps, you can rely on your app to never lose performance, no matter the number of users using it. We have created websites and mobile apps that are currently serving as market leaders in their niche, they monthly serve over 100+ million cumulative users
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$25,000 +
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50 - 249
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> $300 / hr
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US, Boulder
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Based in Ukraine, we’re a cutting edge imaginative production house with a strong commitment to quality, innovations, and efficiency. Our team consists of 100+ professional technicians, who can provide you with robust virtual world software, Artificial Intelligence apps plus outstaffing and outsourcing services.
ServReality is all about the latest technologies, innovation and smoother user experiences.
We strive to help you make a smarter use of network investments, saving you both money and time.
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$5,000 +
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50 - 249
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$25 - $49 / hr
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UA, Kyiv
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[Note: The last review is fake and posted as revenge. I fired this client in May and a jr. employee there lashed out.] We help entrpenuers, business owners, startups and large enterprises build world-class Mobile Apps (iPhone and Android) and Web Apps (Saas). We work with people who need premium Apps built with speed and confidence. Our speciality is Startups, but we will consider working with anyone who is looking to drive serious innovation, revenue or cost savings by leveraging best in breed technology and talent.
We’re software developers, collaborators, and partners our greatest joy is helping entrepreneurs turn their ideas into success. In other words, we’re a 360-degree idea machine that doesn’t see you as just another project with a beginning, middle, and an end. Our mission is your long-term success.
Let’s build great things today.
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$5,000 +
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$150 - $199 / hr
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US, Ferndale
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We are a small boutique San Francisco team of creative, passionate, intelligent, thoughtful designers, software engineers, marketing, business analytics, product specialists, and technology experts with over 15 years experience building full-stack web and mobile apps.
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$5,000 +
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Freelancer
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$100 - $149 / hr
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US, San Francisco
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Software Verde is a custom full-stack software development firm with a dedication to innovative technology. Composed of engineers devoted to their work, software development is not just our job, it is our passion. No technology scares us, if we don't know it, we learn it. We enjoy working with companies through all stages of the development process. Following an Agile development process, we will guide your project through design, development, and deployment. And we always offer post production support and maintenance.
In our years of operation our clients have included both local small businesses as well as international enterprises ranked on the Fortune Global 50. Our services breadth is quite wide, but the areas we have had the most success include custom business applications, API design, web & mobile applications, blockchain technologies, rapid prototyping, and both augmented & virtual reality.
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$10,000 +
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2 - 9
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$100 - $149 / hr
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US, Columbus
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Our office is located in the city of Lutsk, Ukraine.
We are experts in:
- CMS WordPress & Laravel Framework
- Maintenance after development
- Hardware programming(Arduino, Odroid, WR\MR\AR software development)
Areas in which we concentrate
- E-commerce
- Hyperlocal media resources
- Landing Pages for selling goods and services
- Information sites
Technologies that we use to develop
- PHP, MySQL / PostgreSQL
- JavaScript
- Java / Android
- HTML
- HTML5
- CSS
- jQuery
- Wordpress
- Laravel 5
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$1,000 +
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2 - 9
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< $25 / hr
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UA, Lutsk
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Whether you need custom-tailed e-commerce systems, innovative social networks, event management systems, fintech application, or a new CRM… whatever, our team can deliver a world-class product quickly, affordably, and in a way that addresses your business challenges.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, Newport Beach
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Spiritual Crypto is a Wealth Consulting Service. We focus on the Integration of financial, spiritual, and mental health. Wealth Consulting. This ranges from Spiritual, Physical, to Financial Wealth. Specific Products are recommended Books, Crypto-Storage, Education and Advise for your personal situation.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Minneapolis
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Splash Factory is a full-service digital DevOps agency that specializes in creating innovative and impactful blockchain solutions for ICO or Token Sale projects, government, and enterprise level integrations.
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Undisclosed
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50 - 249
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Undisclosed / hr
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US, Woodbridge
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StartupCraft is a Blockchain, Web and Mobile app development company focused on building products and solutions for startups of any calibre and Enterprise companies. Learn about how we can help with your project. We enjoy working on unique and challenging tasks, not wasting our time on routine. It helps keep our brains always in shape and drive us to get up in every morning. It leads engineering mind to work with compassion and discover high-quality code formulae. Open Source only teases with a solution and in the end, it isn't ready for real production experience. By investing thousands of hours when developing our own reusable system we never reinvent the wheel. To craft a startup one has to balance between routine and innovation, so we prefer to bring a maximum of our time and intellectual resources to your unique business idea. We offer our smart economy product development process and welcome to join a startup craft journey. More info here: https://startupcraft.io
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$25,000 +
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50 - 249
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$50 - $99 / hr
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US, Miami
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We are a multinational business launchpad that helps startups, SME's and Enterprise companies build their ideas & bring them to reality. We help companies right from their ideation, Market Validation, Business Strategy to Software Development and Deployment. We believe that small businesses are the backbone of the economy and that taking an initiative goes a long way! We took an initiative ourselves that led us here.
We believe in breaking the norm. We use technology and innovation to create some of the finest pieces of technology and help people create businesses that can help change their life, and maybe one day change the world!
We are a company of Out of the Box thinkers and tech geeks who love and believe in what technology can do. We are not a typical IT company and have no interest in being one. We are a global company with clients from around the world. We have offices in USA, UK, India, Canada and we are looking to expand further.
A majority of our clients are startups and SME's and a lot of our focus is on building platforms on futuristic technologies like AI & Blockchain. We are conducting a lot of research in the Media Labs arena and are hoping to launch applications based holograms, advanced image and language processing in the near future.
Our specialties include: website development, app development, design, computer software, blockchain, artificial intelligence, mobile application and UI/UX design.
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Undisclosed
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250 - 999
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Undisclosed / hr
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US, Harrisburg
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Symbyotic is a software development company working for Startups, Enterprise and Agencies. Our vision is to make a difference through creating mobile and web experiences that are intuitive, effective, and engaging. We develop custom mobile and web solutions across multiple domains. We also work on upcoming technologies i.e. Blockchain, ICO, Wearables, Augmented and Virtual reality and Chatbots. Classification of services:
- Shape up Ideas
- Application Development
- App care
What we do:
- iOS App development
- Android app development
- Web application development
- Open source web development
- CRM - Salesforce and Dynamics
Other peripheral services:
- User Interface & User Experience
- Wireframes, Prototyping & Workflow
- Design for Web, iOS (iPhone, iPad, Apple Watch) and Android
- Front-End development
- Quality assurance
Area of Expertise:
- Fintech - Digital wallet
- Social apps - Use of elastic search, memcache, SQL and NO SQL fusion for best performance
- Logistics - Warehouse Management system
- Market place - B2B and B2C market place for different range of products
- On Demand platforms - Utility Services, Taxi, Professionals on demand
- IoT - Home automation systems
- Enterprise application development
Skills:
- Objective C, Swift, Javascript, PHP, C#
- jquery, Angular, Express, Node, knockout, React, Require
- Laravel, React Native
- Web sockets, XMPP Messaging protocol, CI
- MySQL, MSSQL, Mongo DB, Neo4J, SQLite, PostgreSQL
- Apache, IIS
- AWS, Azure, Google cloud
- 3rd Party - Payment gateways, OCR, Bar/QR code, Rate feeds, Booking API
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$10,000 +
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10 - 49
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$25 - $49 / hr
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US, Bellevue
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We are a great team of 50 experienced professionals who not only add technical value, but also care about our clients' business. Teamvoy is based in Eastern Europe with an office in Lviv, second largest tech community in Ukraine with a big pool of technical talent.
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$5,000 +
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10 - 49
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$25 - $49 / hr
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UA, Lviv
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