Hire Freelance Bitcoin Developers and Engineers
Kirill Kirikov
Kirill has over a decade of experience in development, managing teams with up to 30 members, and has released more than 100 apps. An expert in Ethereum and Bitcoin, fintech, permissioned blockchain, enterprise blockchain, and design architecture, he's worked on open source projects sponsored by the Aragon foundation for improving the Ethereum ecosystem. Kirill has developed software for clients such as Chrysler and Ferrari.
Show MorePlamen Georgiev Hristov
Plamen is an expert technical lead with four years of Python/JavaScript experience. He’s capable of creating full-stack solutions and has recently spent the better part of a year building blockchain solutions and signing tools for Ethereum, Bitcoin, and Stellar. Plamen specializes in developing end-to-end solutions like infrastructure provisioning, CI pipeline setups, and client-facing products.
Show MoreWesley Smith
Wesley likes writing code that people use and actually gets shipped to market--so this is why he cares about customer feedback, deadlines, and project vision. Most recently, Wesley has been working on smart contracts for Ethereum and Bitcoin and building SasS products that integrate with distributed ledger technology.
Show MoreBelma Gutlic
Belma has a master's degree in software engineering and has been a full-stack developer since 2015. As a big crypto enthusiast, she decided to fully focus on blockchain development. She already has big experience with dApps creation where most of them were built using Ethereum (public or private network). Belma is a great team player and takes time understanding projects and delivering them in the best way.
Show MoreVladyslav Budichenko
Vladyslav is an enthusiastic developer in new technologies that could disrupt industries like blockchain, AI, IoT, and healthcare. He's worked with different technologies and industries during his career; he's built an open-source bitcoin wallet from scratch, created a payment platform for Bitcoin, worked on a betting platform, and more. As a student, Vladyslav participated in different math and programming Olympiads (C++) and won many of them. He now prefers hackathons.
Show MoreStJohn Piano
StJohn is a highly-skilled and motivated senior software engineer with 11+ years of experience, 8+ of which have been in the blockchain industry. He currently works as the head of engineering at Solidi Cryptocurrency Exchange. StJohn has built excellent software for a fully regulated UK cryptocurrency exchange, a blockchain-based web publishing system, a secure Bitcoin storage toolset, a speech recognition company, a transcription team, and a furniture factory.
Show MoreMegha Mittal
Megha has more than five years of developer experience with various Toptal clients and firms like Goldman Sachs and Amazon. She specializes in back-end platforms and large-scale real-time systems. She also has experience with leading and managing teams. Megha is well versed in relational and non-relational databases, application servers, micro-service architecture, REST APIs, Android, and AWS frameworks. She is thorough with her work and passionate about developing maintainable systems.
Show MoreJaak Vlasveld
Jaak is a polyglot developer with infrastructure experience working on back-end systems and blockchain technology. He is formally educated in distributed systems engineering and has professional knowledge of developing core blockchain technology and crypto trading services. Jaak is well versed in C++, Go, Python, and other languages development and is used to working in Agile teams with cross-platform deployment, including with Docker, Kubernetes, and cloud environments, such as GCP and Proxmox.
Show MoreJohn McLaughlin
John is an experienced Ethereum dApp developer. He has created NFT factories and marketplaces on Ethereum Mainnet and L2 chains like Polygon, Arbitrum, Optimism, and zkSync for five Toptal clients. He has designed and deployed 150 unique Solidity smart contracts (ERC-20, ERC-721, ERC-1155) integrated into various decentralized platforms and applications. As an AWS Certified Developer Associate, John has also developed and deployed serverless applications for Toptal and other freelance clients.
Show MoreDenis Baturin
Denis is a blockchain analyst and a Solidity and Android developer. He has been in charge of everything blockchain-related in a hardware wallet company for over two years. He has integrated 10+ blockchains for a hardware wallet Android app in Kotlin and Java and developed a self-sovereign identity (SSI) POC app. Denis is experienced with smart contracts and NFTs and has a solid background as a system administrator and tech support.
Show MoreQusai Jouda
Qusai is a senior software developer who excels in internet application development. He earned his master's in software technology from Stuttgart University of Applied Sciences. Qusai has been a visiting academic at ETH Zurich, researching blockchain technology applications. He also led UNICEF innovation's blockchain initiatives.
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