Toptal is a marketplace for top remote blockchain developers. Top companies and start-ups in Dallas choose Toptal Blockchain freelancers for their mission-critical initiatives.
We've been blown away by the level of talent we've been able to hire through Toptal.
Michael Dietz
Blockchain Developer
Michael is an experienced software engineer specialized in data engineering/science and deep/machine learning. Previously a software engineer at Nordic Semi...conductor ASA and Intel, Inc., he is especially strong at breaking down a problem into its fundamental components, identifying the right tools (i.e languages, libraries, frameworks, etc.) for the task, and delivering a solution that not only meets spec, but is simple and minimal.
Levi Self
Blockchain Developer
Levi has nearly a decade of experience in applied data science in a variety of industries with a concentration in the insurance industry. He's passionate ab...out solving challenging problems that others find difficult or impossible. He's comfortable working independently and collaborating on teams. He is most at home in small startups with experience in enterprise as well.
Alexandre Michetti Manduca
Blockchain Developer
Alexandre is a full-stack developer with extensive experience in Rails, Grails, Java, and JavaScript. He has a professional and academic background in archi...tecting and building Multi-Tenant Software as a Service. He has strong experience working with startups from the US and Brazil.
Dan Napierski
Blockchain Developer
Dan is a software architect and technology professional focusing on applications of blockchain technologies. He has years of experience providing profession...al consulting services to clients ranging from startups to global corporations. He specializes in bringing rigorous testing and bulletproof code to tough engineering challenges. He has deep expertise in many aspects of artificial intelligence, blockchain, machine learning, and automation.
David Leong
Blockchain Developer
David has ten years of experience developing for the web primarily using React.js, Angular, and Vue.js for front-end and Django, Rails, Laravel, and Node.js... for back-end programming. He also has a strong background in blockchain and ethereum technologies. David is especially good at producing quality code and embracing new technologies. He keeps abreast of technology trends always and adopts the best practice in development.
Nitin Punjabi
Blockchain Developer
Nitin has nine years of programming experience in a variety of systems, mostly in the finance domain. He specializes in blockchain applications and architec...ture and is a certified Ethereum developer, though he has been exposed to multiple protocols.
Max Loginov
Blockchain Developer
Max is an experienced engineer with a scientific background and 19 years in development, QA, and management in IT. He has worked for a number of world-recog...nized companies and has proven himself to be a polymathic problem solver who always delivers high-quality solutions that thoroughly address customer needs. His experience with various tech gives him the ability to quickly integrate into any project and work out the best solution possible!
Ivan Komar
Blockchain Developer
Ivan is a software engineer with over five years of experience architecting complex iOS applications in Swift. Ivan took a series of commercially successful... iOS solutions with millions of users from concept to the App Store. Thanks to his experience as a CTO of two startups, Ivan has had a chance to master his full-stack development skills, including back-end engineering and web development.
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The Bitcoin Lightning Network is an independent solution that’s heralded as the solution to bitcoin’s scaling problem by keeping fees minuscule and making transactions instant, away from the blockchain. In this article, Toptal Freelance Blockchain Developer Amin Shah Gilani explores what the Bitcoin Lightning Network really is, how it can make the guarantees it provides, and its current state.
The whole point of smart contracts is that they need to be more secure and efficient than traditional contracts. So where do smart contract oracles fit in? In the final installment of our three-part series, Toptal Blockchain Developer John R. Kosinski explains the role of oracles in the evolution of trust.
Solidity is the programming language of choice for Ethereum and the de facto industry standard for smart contract development. In the second article of our three-part series, Toptal Blockchain Developer John R. Kosinski takes a closer look at Solidity quirks and features, explaining how to make the most of it.
Top Blockchain Developers are in high demand.
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