Blockchain Developer
$170 per hourDecryptCode LLC
DecryptCode INC is looking for a Part-Time Blockchain Full-Stack Developer to join their team on a contract basis . This is a remote role that offers flexible working hours, allowing you to contribute to cutting-edge blockchain and decentralized technologies. You will work across the full stack, designing and developing both smart contracts and backend services that support blockchain applications.
Responsibilities
- Design and implement blockchain solutions for decentralized applications (dApps).
- Develop and maintain backend APIs, integrate them with blockchain protocols.
- Implement and test smart contracts and decentralized systems.
- Collaborate with frontend teams to integrate backend and blockchain systems.
- Troubleshoot, debug, and optimize blockchain and backend systems.
- Contribute to the development of new features and improvements to the existing codebase.
- Stay up-to-date with the latest trends and best practices in blockchain technology.
Qualifications
- 3+ years of experience in blockchain development (smart contracts, backend).
- Strong proficiency in Solidity and experience with Ethereum or similar blockchain networks.
- Familiarity with backend development frameworks such as Node.js , Express.js , or Go .
- Experience with web3.js , Ethers.js , or other blockchain JavaScript libraries.
- Proficiency in RESTful APIs and GraphQL .
- Knowledge of cloud platforms (AWS, GCP, or Azure) and containerization tools (Docker/Kubernetes).
- Strong problem-solving skills, with the ability to write clean, maintainable code.
- Excellent communication skills and ability to work in a collaborative, remote team environment.
Hourly Rate
- $170 - $200 per hour , based on experience.
Perks
- Fully remote position with flexible hours.
- Competitive pay and contract flexibility.
- Opportunity to work on innovative blockchain projects.
- Work in a collaborative, cutting-edge technology environment.
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Blockchain Developer in United States vacancy
- ...Job Title: Blockchain Developer Location: New York, NY Key Responsibilities: Design, develop, and deploy Web3 components and integrations for Citi's Digital Asset Platform, including smart contracts, on-chain event listeners, wallet integrations, and blockchain...SuggestedContract work
- ...Position: Blockchain / Protocol Engineer Location: Iselin NJ Duration: Contract Job ID: 177733 Only W2 Are you passionate... ...distributed systems, offering the opportunity to design and develop core protocol components from the ground up. Key...SuggestedContract work
- ...Blockchain Developer Immediate need for a talented Blockchain Developer. This is a 06-12+ Months Contract opportunity with long-term potential and is located in New York, NY and Jersey City, NJ (Onsite). Job ID:26-22143 Pay Range: $110000 - $120000/annum. Employee...SuggestedContract workImmediate start
- ...Overview: Senior Blockchain Developer Location: Chicago, IL (Hybrid - onsite 3 days per week; anchor day Monday + 2 flex) Employment Type: Contract 11+ Months Hours: 8:00 AM - 5:00 PM CST Role Overview Northern Trust is seeking a Senior Blockchain...SuggestedContract workFlexible hours3 days per week
- ...Senior Blockchain Developer Location: Chicago, IL, USA - Hybrid Duration: 12+ Month Contract Interview: Virtual Note: Every month candidate has to go onsite for team meeting. Must Have Skills/Attributes Cryptography GoLang Java NodeJs...SuggestedContract work
- ## **The Role** We are hiring a **Senior Blockchain Developer** to design and build smart contract systems across multiple client and internal projects. You will work on a variety of blockchain applications - from DeFi protocols to tokenized systems and Web3 platforms...Contract work
$140k - $200k
...Blockchain Developer – Remote Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. This is a fantastic opportunity to join an established and well-respected...Full timeContract workH1bLocal areaImmediate startRemote workVisa sponsorship$102.5k - $187.9k
...Research Center, an innovative and collaborative group of software developers, financial auditors and technology consultants who are... ...Systems Management or related field Strong understanding of blockchain technology, smart contracts, and decentralized applications (dApps...Work experience placementSummer holidayWork at officeFlexible hoursShift work- ...About Sei Sei Labs builds open sourced technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain designed to scale with the industry. The unique optimizations built into Sei enable Web3 applications to reach Web2 level scale and...Full timeRemote work
- ...Tech Team, your primary responsibilities will be: Design, develop and maintain our Staking API for Ethereum and Solana. The API... ...with good knowledge of Ethereum and Solana, and a passion for blockchain and decentralization. You enjoy working to a high standard and...Remote jobFull timeFlexible hours
- ...enabling financial institutions to unlock the full potential of blockchain technology. The Impact you will have in this role: Being... ...Assets team, the Rust Smart Contract Engineer will design, develop and maintain production-grade smart contracts for the Stellar...Contract work
- ...Blockchain Engineer Remote Design, develop & test SWIFT software using Smart contracts, Typescripts, Solidity, JSON, REST APIs & AWS. Analysis and design of existing components. Support setup of test environment, write test drivers. Provide support to test environments...Remote work
$200k - $300k
...Blockchain Engineer Career Renew is recruiting for one of its clients a Blockchain Engineer - this is a fully onsite position in NYC... ...infrastructure that powers our products. What you'll do Develop storage layers, execution engines, transaction pools, gossip...- ...hiring a Senior Software Engineer for the CB Node team under the Platform organization. You will optimize performance across the blockchain node stack, build observability and failover capabilities, and drive capacity planning to balance cost with reliability. You’ll...Remote work
- ...The Role As a Blockchain Engineer at Fullstack, you will build the foundational infrastructure that powers a next generation trading platform. You will design and ship core blockchain systems that prioritize reliability, speed, and precision under real world conditions...
- ...We’re building a Web3 developer reputation platform that creates verifiable profiles from on-chain activity, smart contract deployments... ...’re looking for an experienced engineer with strong skills in Blockchain, AI, and Security to help improve and expand the platform. -...Contract work
- ...We are looking for an experienced Blockchain Engineer to contribute to a Web3 developer reputation platform currently under active development. The platform creates verifiable developer profiles from on-chain activity, smart contract deployments, technical contributions...Contract work
- ...Role: Senior Blockchain Engineer Client: A&C Technology Location: Fully onsite Irvine, CA or Mountain View, CA(some... ..., and distributed systems powering BioMatrix.ai. ~ Develop tokenized payment systems and identity verification flows, ensuring...Contract workVisa sponsorship
- ...management of invoices, payment processing spanning multiple cryptocurrencies, dynamic customer dashboards, and more! As a blockchain developer, you will design and build core components of a plethora of crypto use cases, taking a 0 to 1 approach in developing new...Contract work
$180k - $290k
A leading blockchain organization in San Francisco is seeking a Software Engineer to develop key components for its Stellar Core. The ideal candidate has over 4 years of development experience, strong skills in modern C++ or Rust, and a passion for solving performance-...- ...cryptocurrency safely. Now, by pairing the industry's most trusted blockchain data with agents that reason, investigate, and act, we help... ..., and space to experiment - but the expectation is that you develop these capabilities yourself, bring ideas, and collaborate across...Full timeFlexible hours
- ...Description About D3: D3 is building the world's first purpose-built blockchain for DomainFi —bringing domain tokenization and DeFi... ...Internet and all blockchains. You will play a critical role in developing and maintaining our core platform APIs and smart contracts...Contract work
$140k - $200k
...Bright Vision Technologies is seeking an experienced Senior Blockchain Engineer to join our growing engineering team and build secure... ...petitions for this position. Responsibilities Design, develop, and deploy secure smart contracts using Solidity. Build scalable...Full timeContract workH1bLocal areaImmediate startRemote workVisa sponsorship$220k - $260k
# Senior _Blockchain_ Developer **Remote | Full-Time | $220,000–$260,000 USD** ## Build the Future of _Web3_ Are you passionate about _blockchain_ technology and excited by the opportunity to build products that can transform industries? We're looking for a **Senior...Full timeContract workRemote work- ...Purple Drive Senior Blockchain Engineer, Digital Assets Locations: Southlake, TX; Austin, TX Role Summary Build and integrate the blockchain infrastructure layer that underpins digital asset custody and tokenization platforms. The posting describes this as...
- ...UseBlocky UseBlocky is a global technology company specializing in Blockchain, Web3, AI, and custom software development. Founded in 2020,... ...work closely with product, engineering, and security teams to develop robust Web3 solutions, contribute to technical architecture,...Contract workRemote workFlexible hours
$101.3k - $188.14k
...serve a community of more than 12,000 banks and financial institutions. Job SummaryWe are seeking an innovative and skilled Blockchain Developer to join our team at SWIFT. In this role, you will be instrumental in designing, developing, and implementing secure and scalable...Overseas- ResponsibilitiesWork on Blockchain projects across industry verticals.Develop smart contracts, setup environments & infrastructure and deploy solutions.Develop best practices for Blockchain technology adoption and implementation.Participate in Presales and Customer workshops...
$186.07k - $218.9k
...seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the...Contract workLocal areaRemote work- ...Job Description: Senior Blockchain Developer in United States (Global) We are seeking a talented and experienced Senior Blockchain Developer to join our dynamic team in Portland. As a key player in our innovative development environment, you will have the opportunity...Full time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Blockchain Developer. Be the first to apply!



