Best 10+ Blockchain developers: Guidelines to Hire Blockchain Developer in 2025

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Magento 1 15yr.
Adobe XD 2yr.
CI/CD 2yr.
RESTful API 2yr.
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- Full-stack Developer with 15 years of experience in Magento platform and Adobe ecosystem - Experienced in e-commerce platform development and deployment for large infrastructure projects - Proficient in Continuous Integration and Continuous Delivery, API integrations, and ERP systems - Strong communication and collaboration skills, detail-oriented and highly motivated - Magento Certified Developer Plus with team lead experience - Skilled in Magento 2.x, Magento 1.x, headless development, REST API, GraphQL API, React, VueJS, Salesforce, SRE, DevOps, GitLab, Composer, CI/CD, IAAC, Docker, Vagrant, Laravel, Microservices, and Sentry - Worked with international brands, participated in put-to-market processes, and expanded into multiple markets
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Seniority Expert
Location Kyiv, Ukraine
Salesforce Apex
SalesForce Visualforce
SalesForce Apex Test classes
SalesForce SOQL/SOSL
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- 4 years of experience in software design, development, and support - Salesforce Certified Platform Developer 1 & MuleSoft Developer 1 certificates - Upper-Intermediate English - Available ASAP
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Seniority Middle
Location Ukraine
GCP AI
Linux
Docker
AWS Security Groups
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DevOps Engineer with over 3 years of experience in support, adept at installing, configuring, and maintaining development environments across AWS, GCP, and other cloud services. With an educational background in Automation and Computer Technologies, the candidate has a solid grounding in UNIX systems and possesses programming skills in Python, Ruby, and other languages. Demonstrates strong expertise in Docker, Kubernetes, CI/CD pipelines through Jenkins, CircleCI, and more. Played a key role in a 2+ year project involving system containerization, role management integration, and DevOps practices in a team setting. Technically proficient in cloud structures, with a concrete understanding of the software development lifecycle and the implementation of modular application architectures.
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Seniority Middle
Location Lviv, Ukraine
AngularJS 2yr.
React 2yr.
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- 6+ years of experience in the IT industry - 5+ years of experience with Angular - 2 years working with Angular.JS 1.x - Fluent English - Available ASAP
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Seniority Middle
Location India
Ruby
Ruby on Rails
CSS
HTML
PostgreSQL
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- 4+ years of experience in the IT industry as Ruby on Rails developer - 1 year of experience in creating an e-learning platform - Experience in creating scripts for parsing. Experience in creating functionality - Intermediate English - Available ASAP
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Seniority Senior
Location Ukraine
Architecture and Design Patterns
Black-box Testing
SDLC
STLC
API testing
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Software engineer with over 3 years of expertise in software testing and QA, specializing in black box testing for web applications and robust knowledge of SDLC and STLC. Proficient in API testing using Postman and Swagger, and experienced in mobile application testing. Demonstrates proficiency in integrating automation testing within CI/CD pipelines, leveraging Selenium WebDriver for automated regression testing. Versed in defect identification and management using tools such as JIRA and Zephyr. Capable of performing various types of testing including but not limited to functional, integration, regression, smoke, and ad-hoc testing, as evidenced by a history of uncovering and reporting software bugs. The engineer's technical acumen and practical experience are complemented by strong communication skills.
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Seniority Middle
Location Indore G.P.O., India
Salesforce
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- Certified Magento 2 and Salesforce Frontend Developer with 10 years of experience. - Upper-Intermediate English - Available ASAP
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Seniority Senior
Location Ukraine
Salesforce
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- Certified Salesforce Developer with 3.5+ years of experience - Working for 1+ years as a Solution Architect. - Great experience in different Salesforce projects with complex logic, including AppExchange products. - Intermediate English - Available ASAP
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Seniority Senior
Location Belarus

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Looking to hire Blockchain developer?

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At Upstaff you can find industry experts in blockchain:
Hire Blockchain Expo Are you Looking to build Web3 solutions or transform your business with blockchain tech? At Upstaff.com, we connect you with Blockchain Developers skilled in over 30 blockchain protocols, including Ethereum, Solana, Polygon, and Hyperledger. Our developers are experts in secure smart contracts, decentralized applications (dApps), DeFi platforms, NFT marketplaces, and more. With a rigorous vetting process and flexible hiring options, Upstaff ensures you find the perfect talent to bring your blockchain vision to life. Whether you need a senior developer, a team lead, or a full-stack blockchain engineer, we have that covered. Hiring through Upstaff.com is effortless and tailored to your needs. Developers, ranging from mid-level to architect-level, have hands-on experience in DeFi protocols, NFT ecosystems, and cross-chain interoperability, cryptography, consensus mechanisms like Proof of Stake (PoS) and Proof of Work (PoW), and emerging standards like CosmWasm and Substrate. Technical Expertise of Blockchain Developers at Upstaff Technical Expertise of Our Blockchain Developers: Ready to hire a Blockchain Developer? Contact us for a 30-minute discovery call to discuss your project requirements and find the perfect match.

TOP 12 Facts about Blockchain

  • Blockchain is a distributed and decentralized digital ledger that tracks transactions across computers or nodes.
    It was originally developed as the basis for the cryptocurrency Bitcoin.
  • Blockchain works with a peer-to-peer model and does not require banks or clearinghouses
  • Any transactions on a blockchain are transparent and can be viewed by anyone on the network.
  • Blockchain leverages cryptographic algorithms to ensure that the information on the ledger remains secure and accurate.
  • Once a transaction is entered into the blockchain, it cannot be reversed or revoked.
  • Blockchain can revolutionize industries like finance, supply chain management, healthcare, etc.
    Smart contracts, which are self-executing contracts based on predefined rules, can be created on a blockchain and executed to automate tasks.
  • Blockchain will eliminate fraud and boost trust in a number of industries as it maintains an auditable, foolproof history of transactions.
  • Though often associated with cryptos, blockchain has many applications beyond just financial transactions.
  • Blockchain networks are either public, open to all, or private, closed only to specific users.
    Blockchain can create efficiencies and reduce costs by removing intermediaries and streamlining processes.

TOP 12 Tech facts and history of creation and versions about Blockchain Development

  • The blockchain itself was first developed in 2008 by an unnamed individual or collective called Satoshi Nakamoto. It was described in a whitepaper titled “Bitcoin: A Peer-to-Peer Electronic Cash System”.
  • Cryptocurrencies such as Bitcoin use a technology called blockchain. But it’s used in ways that extend beyond cryptocurrency and into other areas like supply chain management, healthcare, voting system, etc.
  • Bitcoin, the first blockchain-based product, was introduced in 2009. Bitcoin is a decentralized cryptocurrency that operates on peer-to-peer technology without the presence of a central bank.
  • Blockchain is a distributed ledger system where all participants own a copy of the same database, and the database is then refreshed and synced using consensus. This makes blockchain highly secure and tamper-proof.
    Another well-known blockchain platform is Ethereum, created in 2015 by Vitalik Buterin. It introduced smart contracts — self-executing contracts in which the contract terms are built into lines of code. Smart contracts enable automated tasks.
  • By offering transparency, immutability, and greater efficiencies, blockchain technology can transform industries. It can eliminate fraud, remove middle men, and automate difficult workflows.
  • “blockchain” refers to the peculiar way that data is grouped into blocks and stacked in a chain. Each block entails a transaction sequence, and each block is cryptographically hashed against the last one.
  • Blockchain networks can be public, private or collaborative. Open public blockchains such as Bitcoin and Ethereum allow users to join anonymously. Private blockchains are locked to a specific set of actors, while consortium blockchains are controlled by a set of institutions.
  • Blockchain will disrupt the financial industry by making cross-border payments faster and safer, cutting expenses, and providing financial services to the unbanked population.
  • Blockchain is now attracting significant attention from governments and international organisations. Some states, such as Estonia, already use blockchain-based e-governance tools and others are exploring how it can be used to manage identities, register land, etc.
  • Blockchain is no joke. Scalability, energy usage, regulatory issues, standardization, are just a few challenges that need to be solved before widespread deployment.
  • Blockchain has gone beyond the sole purpose of fuelling cryptocurrencies. Now, it is being combined with other technologies such as artificial intelligence, IoT, and big data analytics to create novel solutions.

How and where is Blockchain used?

Case NameCase Description
Supply Chain ManagementSupply Chain Management Blockchain technology can re-engineer supply chain management by enabling visibility, traceability and efficiencies across the entire process. By using blockchain, the company is able to monitor the flow of goods from supplier to consumer, making them authentic and decreasing the probability of fraud or fake goods. The technology also makes everything more efficient by eliminating middlemen, simplifying documentation and automating tasks.
Financial ServicesBlockchain can revolutionize financial services by increasing security, saving money and speeding up transactions. It supports safe and anonymous peer-to-peer transfers without the need for middlemen such as banks. Blockchain-based cryptocurrencies like Bitcoin provide a substitute for fiat money and also facilitates faster and cheaper cross-border transactions.
Healthcare Records ManagementBlockchain can solve healthcare records management issues by keeping patient data safe, secure, and interoperable. It gives the patient control over the medical records and allows healthcare providers to have access to the information they need. Blockchain technology also increases data security by eliminating unauthorized access or manipulation of sensitive medical data.
Smart ContractsBlockchain enables the execution of smart contracts, self-executing agreements, with predefined terms and conditions. Such contracts are kept in the blockchain, thus ensuring transparency, irreversibility and contract execution automation. Smart contracts remove the intermediaries and fraud from the equation, thus making business transactions both secure and transparent.
Identity ManagementBlockchain technology can support identity management processes by enabling safe and decentralized identity authentication. It helps to keep people in control of their online identities, eliminating the possibility of identity theft and fraud. Blockchain identity solutions can reduce steps for KYC (Know Your Customer) verification and provide better, safer customer onboarding across all industries.
Voting SystemsBlockchain can improve voting system transparency, security, and integrity. With votes stored on a decentralized, immutable blockchain, voting data cannot be tampered with or altered in the slightest. Voting systems utilizing blockchain can promote voter trust, prevent voter fraud and keep voting records transparent and auditable.
Intellectual Property ProtectionProtection Blockchain technology can tackle the issue of intellectual property protection by providing creators with a safe and secure environment to register and secure their intellectual property. Blockchain technology enables creations to be timestamped and authenticated, providing evidence of ownership and minimising disputes. Such technology could change the way intellectual property rights are enforced, providing artists with equal compensation.
 
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FAQs on Blockchain Development

What is a Blockchain Developer? Arrow

A Blockchain Developer is a specialist in the Blockchain framework/language, focusing on developing applications or systems that require expertise in this particular technology.

Why should I hire a Blockchain Developer through Upstaff.com? Arrow

Hiring through Upstaff.com gives you access to a curated pool of pre-screened Blockchain Developers, ensuring you find the right talent quickly and efficiently.

How do I know if a Blockchain Developer is right for my project? Arrow

If your project involves developing applications or systems that rely heavily on Blockchain, then hiring a Blockchain Developer would be essential.

How does the hiring process work on Upstaff.com? Arrow

Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified Blockchain Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.

What is the cost of hiring a Blockchain Developer? Arrow

The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options.

Can I hire Blockchain Developers on a part-time or project-based basis? Arrow

Yes, Upstaff.com allows you to hire Blockchain Developers on both a part-time and project-based basis, depending on your needs.

What are the qualifications of Blockchain Developers on Upstaff.com? Arrow

All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.

How do I manage a Blockchain Developer once hired? Arrow

Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools.

What support does Upstaff.com offer during the hiring process? Arrow

Upstaff.com provides ongoing support, including help with onboarding, and expert advice to ensure you make the right hire.

Can I replace a Blockchain Developer if they are not meeting expectations? Arrow

Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project.