38,348 Blockchain Developer jobs in the United States

Start Date02/06/2023 $200,000.00 Full-Time We building a suite of scaling solutions for Ethereum. This includes Arbitrum, an Optimistic Rollup, that instantly scales apps, reducing costs and increasing capacity, without sacrificing Ethereum’s security. Porting contracts to Arbitrum requires no code changes or downloads since it’s compatible with existing Ethereum developer languages and tooling. Our team is extremely passionate and works tirelessly to bridge the gap between what blockchain is and what blockchain can be. We strive to maintain an atmosphere that fosters innovation and new ideas through collaboration, research, and deep discussions. Who you are: Great understanding of blockchain development on the Ethereum Network Experience with solidity and other Web3 related technologies Possess a strong sense of ownership in your work, which drives you to find ways to do things better and faster Always up-to-speed on the latest technologies Constantly on the lookout for new and innovative ways to solve complex problems through rigorous experimentation Your communication style is open, transparent, and direct, and you consistently work in tight collaboration with your teammates Always open to feedback, new ideas, and opportunities for self-improvement You look for ways to help out beyond the scope of your day-to-day work What you’ve done: Have dabbled in, educated yourself on, or are experienced working on blockchain technology Eager to bring cutting-edge research to the real world and help build a platform for the next generation of cryptocurrency applications Security-minded and always keeping an eye out for potential threats and vulnerabilities in your code Mastered CS fundamentals, either in a formal university program or through self-learning We understand it takes a diverse team of highly intelligent, passionate, curious, and creative people to solve the challenges involved in developing and improving Arbitrum. Our dynamic team has incredible perspectives to share, just as we know you do. We take great pride in being an equal opportunity workplace. Start your Web3 project with experts!We Connect Businesses with Web3 Providers or Freelancers.Web3. Blockchain, Metaverse. AR. VR. Design. Marketing. Consulting. - All you need is here! #J-18808-Ljbffr

• Design, develop, and deploy smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polkadot, Binance Smart Chain).
• Build and maintain decentralized applications (DApps) and their underlying infrastructure.
• Develop and implement secure blockchain architectures and protocols.
• Write robust, testable, and efficient code in languages such as Solidity, Rust, Go, or Python.
• Conduct thorough code reviews and implement best practices for smart contract security and optimization.
• Integrate blockchain solutions with existing systems and third-party APIs.
• Participate in the entire software development lifecycle, from concept and design to testing and deployment.
• Troubleshoot and resolve complex technical issues related to blockchain functionality and performance.
• Stay abreast of the latest developments in blockchain technology, cryptocurrencies, and decentralized finance (DeFi).
• Collaborate closely with product managers, UX/UI designers, and other developers to define requirements and deliver innovative solutions.
• Contribute to the research and development of new blockchain initiatives.
• Document technical specifications, design decisions, and code functionality.
• Ensure the highest standards of security, scalability, and performance for all blockchain solutions.
• Participate in community forums and open-source contributions related to blockchain development.
• Provide technical guidance and mentorship to junior developers.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field.
• Minimum of 3-5 years of professional software development experience, with at least 2 years specifically in blockchain development.
• Strong proficiency in at least one relevant blockchain programming language (e.g., Solidity, Rust, Go, Python).
• Extensive experience with smart contract development and deployment.
• Familiarity with blockchain frameworks and tools (e.g., Truffle, Hardhat, Web3.js, Ethers.js).
• Solid understanding of cryptographic principles, consensus mechanisms, and decentralized network architectures.
• Experience with distributed ledger technologies (DLT) and their applications.
• Knowledge of dApp development best practices and security considerations.
• Familiarity with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes) is a plus.
• Excellent problem-solving, analytical, and debugging skills.
• Strong communication and collaboration abilities in a remote team environment.
• Active participation in the blockchain community (GitHub, forums) is a significant advantage.
• Understanding of tokenomics and decentralized finance (DeFi) protocols is a plus.

• Design, develop, and deploy secure and efficient smart contracts using Solidity or similar languages on platforms like Ethereum, Binance Smart Chain, or Polygon.
• Build and maintain decentralized applications (dApps) and user interfaces that interact with blockchain protocols.
• Develop and integrate blockchain solutions with existing systems and APIs.
• Participate in the entire software development lifecycle, including requirements gathering, design, coding, testing, and deployment.
• Conduct thorough security audits and testing of smart contracts to identify and mitigate vulnerabilities.
• Research and evaluate new blockchain technologies, protocols, and best practices to stay at the forefront of the industry.
• Collaborate with front-end developers, UI/UX designers, and product managers to deliver seamless blockchain-powered experiences.
• Contribute to the architectural design of new blockchain solutions and improvements to existing ones.
• Write comprehensive technical documentation for smart contracts, APIs, and dApps.
• Troubleshoot and resolve issues related to blockchain infrastructure and applications.
• Participate in code reviews to ensure code quality, maintainability, and adherence to security standards.
• Stay current with the evolving landscape of Web3, DeFi, NFTs, and other emerging blockchain trends.

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Minimum of 3-5 years of experience in software development, with at least 2 years specifically in blockchain development.
• Proficiency in Solidity for smart contract development; experience with other blockchain languages (e.g., Rust for Solana, Go for Hyperledger) is a plus.
• Strong understanding of blockchain fundamentals, including cryptographic principles, consensus mechanisms (PoW, PoS), and decentralized networks.
• Experience with Ethereum Virtual Machine (EVM) and tools like Truffle, Hardhat, Ganache.
• Familiarity with Web3.js or Ethers.js for front-end integration with blockchain.
• Proficiency in at least one modern programming language (e.g., JavaScript, Python, Go, Java).
• Experience with version control systems (Git) and agile development methodologies.
• Knowledge of common security vulnerabilities in smart contracts and best practices for secure coding.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills, with the ability to work effectively in a team environment.
• Experience with IPFS, Filecoin, or other decentralized storage solutions is a plus.
• Understanding of token standards (ERC-20, ERC-721, ERC-1155).

• Design, develop, and deploy smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon) using Solidity, Rust, or similar languages.
• Build and maintain decentralized applications (dApps) and user interfaces that interact with blockchain protocols.
• Develop and integrate blockchain solutions with existing systems and third-party APIs.
• Conduct thorough testing, debugging, and auditing of smart contracts for security vulnerabilities and performance issues.
• Collaborate closely with product managers, UX/UI designers, and other developers to define technical requirements and deliver high-quality products.
• Stay up-to-date with the latest trends, technologies, and best practices in the blockchain and cryptocurrency space.
• Participate in code reviews, contribute to technical discussions, and help mentor junior developers.
• Troubleshoot and resolve complex technical issues related to blockchain infrastructure and applications.
• Document technical specifications, design decisions, and development processes.
• Contribute to the strategic direction of our client's blockchain initiatives.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Minimum of 3-5 years of experience in software development, with at least 2 years specifically in blockchain development.
• Strong proficiency in programming languages relevant to blockchain, such as Solidity, Rust, Go, Python, or JavaScript.
• In-depth understanding of blockchain fundamentals, cryptography, consensus mechanisms, and decentralized networks.
• Experience with smart contract development, deployment, and auditing (e.g., Hardhat, Truffle, Foundry).
• Familiarity with Web3 libraries and frameworks (e.g., Web3.js, Ethers.js).
• Experience with decentralized finance (DeFi), NFTs, or other blockchain applications is a significant plus.
• Strong problem-solving skills and ability to work in a fast-paced, evolving environment.
• Excellent communication and teamwork skills.
• Familiarity with agile development methodologies.
• Experience with cloud platforms (AWS, Azure, GCP) and DevOps practices.

• Competitive annual salary and potential for token allocations or equity.
• Comprehensive health, dental, and vision insurance.
• Flexible hybrid work environment in Fort Worth .
• Generous paid time off and holidays.
• 401(k) retirement plan with company contributions.
• Opportunities for continuous learning and professional development in cutting-edge technologies.
• A collaborative, innovative, and forward-thinking work culture.
• The chance to build foundational technologies for the next generation of the internet.

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon, BSC) using Solidity, Rust, or other relevant languages.
• Build and implement decentralized applications (dApps) and user interfaces (front-end and back-end integration) that interact with blockchain protocols.
• Develop and maintain blockchain infrastructure and services, ensuring high availability and performance.
• Conduct thorough testing, debugging, and auditing of smart contracts and blockchain applications to identify and mitigate vulnerabilities.
• Research and evaluate new blockchain technologies, protocols, and industry trends to inform architectural decisions and innovation.
• Collaborate with product managers, designers, and other developers to translate product requirements into technical specifications and deliver high-quality solutions.
• Participate in code reviews to ensure code quality, best practices, and security standards are met.
• Contribute to the architectural design and scalability planning of blockchain solutions.
• Stay up-to-date with the latest advancements in Web3, DeFi, NFTs, and other emerging blockchain technologies.
• Document technical specifications, API designs, and development processes.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Minimum of 3-5 years of experience in software development, with at least 2 years specifically in blockchain development.
• Strong proficiency in one or more blockchain programming languages such as Solidity, Rust, Go, or Python.
• In-depth understanding of blockchain fundamentals (cryptography, consensus mechanisms, decentralized networks, token standards ERC-20, ERC-721).
• Experience with web3.js, ethers.js, Hardhat, Truffle, or other blockchain development tools.
• Familiarity with front-end frameworks (e.g., React, Vue.js, Angular) for dApp development is a plus.
• Experience with cloud platforms (AWS, GCP, Azure) and containerization (Docker, Kubernetes) for deployment.
• Knowledge of security best practices for smart contracts and blockchain applications.
• Excellent problem-solving skills and ability to work independently in a remote environment.
• Strong communication and collaboration skills.
• Experience contributing to open-source blockchain projects is highly valued.

• Design, develop, and deploy smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon, Avalanche) using Solidity, Rust, or other relevant languages.
• Build and integrate decentralized applications (DApps) and Web3 interfaces that interact with smart contracts.
• Develop and implement robust and secure blockchain architectures and protocols.
• Perform rigorous testing and auditing of smart contracts for security vulnerabilities and functional correctness.
• Collaborate with product managers, UX/UI designers, and other engineers to define product requirements and translate them into technical specifications.
• Research and evaluate new blockchain technologies, protocols, and development tools.
• Contribute to the full development lifecycle, from concept and design to testing, deployment, and ongoing maintenance.
• Implement and manage blockchain node infrastructure and related services.
• Participate in code reviews, ensuring high quality, performance, and security of the codebase.
• Stay up-to-date with the rapidly evolving blockchain ecosystem, including new standards, tools, and best practices.
• Troubleshoot and debug complex issues across blockchain networks and DApps.
• Document technical designs, APIs, and development processes clearly and comprehensively.
• Contribute to the open-source community and company's thought leadership in blockchain.

• Bachelor's degree in Computer Science, Software Engineering, or a related field; Master's preferred.
• 3-5 years of professional software development experience, with at least 1-2 years specifically in blockchain development.
• Strong proficiency in at least one blockchain-specific language (e.g., Solidity, Rust) and general-purpose languages (e.g., JavaScript/TypeScript, Go, Python).
• Demonstrated experience developing and deploying smart contracts on EVM-compatible chains (Ethereum, Polygon, BSC) or other major blockchains (Solana, Polkadot).
• Familiarity with Web3.js, Ethers.js, Truffle, Hardhat, Anchor, or similar development tools and frameworks.
• Solid understanding of blockchain fundamentals, cryptography, consensus mechanisms (PoW, PoS), and decentralized systems.
• Experience with token standards (ERC-20, ERC-721, ERC-1155) and decentralized finance (DeFi) concepts.
• Knowledge of secure coding practices for smart contracts and blockchain applications.
• Experience with cloud platforms (AWS, GCP, Azure) and DevOps practices (CI/CD, Docker, Kubernetes) is a plus.
• Excellent problem-solving skills and a strong analytical mindset.
• Strong written and verbal communication and collaboration skills.
• Active participation in the crypto community (e.g., GitHub contributions, forum participation) is a significant advantage.

• Design, develop, test, and deploy secure and robust smart contracts (e.g., Solidity, Rust) on various blockchain platforms (e.g., Ethereum, Solana, Polkadot).
• Build and maintain decentralized applications (dApps) using relevant frontend and backend technologies (e.g., React, Node.js, Web3.js).
• Integrate blockchain functionalities with existing systems and traditional web applications.
• Write comprehensive unit and integration tests for smart contracts and dApps.
• Conduct security audits and vulnerability assessments of smart contracts.
• Stay up-to-date with the latest blockchain protocols, tools, and industry best practices.
• Collaborate with product managers, UX/UI designers, and other developers to define requirements and deliver innovative solutions.
• Participate in code reviews, technical discussions, and contribute to architectural decisions.
• Troubleshoot and debug complex blockchain-related issues.
• Contribute to the overall technical roadmap and strategic direction of blockchain initiatives.
• Document code, APIs, and development processes thoroughly.
• Research new blockchain technologies and evaluate their potential for future projects.

• Bachelor's degree in Computer Science, Software Engineering, or a related field; equivalent practical experience considered.
• Minimum of 2-4 years of experience in software development, with at least 1-2 years focused on blockchain development.
• Proficiency in at least one relevant blockchain programming language (e.g., Solidity, Rust, Go).
• Experience with blockchain platforms like Ethereum, Solana, Avalanche, or similar.
• Understanding of cryptographic principles and decentralized consensus mechanisms.
• Familiarity with Web3.js, Ethers.js, Truffle, Hardhat, or similar development tools.
• Experience with version control systems (Git) and Agile development methodologies.
• Strong problem-solving skills and ability to work with complex distributed systems.
• Excellent communication and collaboration skills.

• Experience with Layer 2 scaling solutions (e.g., Polygon, Arbitrum, Optimism).
• Familiarity with IPFS, Filecoin, or other decentralized storage solutions.
• Contributions to open-source blockchain projects.
• Knowledge of DeFi, NFTs, or GameFi concepts.

• Design, develop, and deploy secure, scalable, and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polygon, Avalanche).
• Implement and test decentralized applications (dApps) and their underlying protocols.
• Write robust and well-documented code in languages such as Solidity, Rust, Go, or JavaScript.
• Collaborate with cross-functional teams, including product managers, UI/UX designers, and other developers, to define and implement new features.
• Conduct thorough testing, debugging, and auditing of smart contracts to ensure security and functionality.
• Research and evaluate new blockchain technologies, protocols, and industry trends to inform development decisions.
• Develop and integrate blockchain solutions with existing systems and external APIs.
• Participate in code reviews, providing constructive feedback and maintaining high code quality standards.
• Contribute to the architectural design and technical specifications of blockchain projects.
• Stay up-to-date with the latest security best practices for blockchain development.
• Troubleshoot and resolve technical issues related to blockchain infrastructure and dApps.
• Engage with the wider blockchain community and contribute to open-source projects where applicable.
• Maintain comprehensive documentation for all developed solutions.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Minimum of 3-5 years of experience in software development, with at least 2 years specifically in blockchain development.
• Strong proficiency in Solidity for Ethereum smart contract development, or Rust for Solana/Substrate.
• Experience with other blockchain platforms (e.g., Polygon, BSC, Avalanche, Cosmos SDK) is a plus.
• Solid understanding of blockchain fundamentals, cryptography, consensus mechanisms, and decentralized finance (DeFi) concepts.
• Experience with Web3.js, Ethers.js, Hardhat, Truffle, or other blockchain development frameworks.
• Familiarity with IPFS, The Graph, Chainlink, or other decentralized technologies.
• Experience with version control systems (Git) and agile development methodologies.
• Excellent problem-solving skills and a strong analytical mindset.
• Ability to work independently in a remote environment and manage time effectively.
• Strong communication and collaboration skills.
• A genuine passion for cryptocurrency, blockchain, and decentralized technologies.

• Design, develop, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polkadot, Avalanche).
• Build and maintain decentralized applications (dApps) using Web3 libraries and frameworks.
• Contribute to the architectural design and technical specifications of new blockchain projects.
• Write clean, well-documented, and testable code, ensuring high levels of security and reliability.
• Perform rigorous testing, debugging, and auditing of smart contracts and dApps.
• Collaborate with product managers, UX/UI designers, and other developers to translate requirements into technical solutions.
• Stay up-to-date with the latest developments in blockchain technology, cryptography, and decentralized finance (DeFi).
• Participate in code reviews and contribute to improving development processes.
• Research and evaluate new blockchain protocols, tools, and technologies.
• Troubleshoot and resolve technical issues related to blockchain infrastructure and applications.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• 3+ years of experience in software development, with at least 1-2 years focused on blockchain development.
• Proficiency in at least one smart contract language (e.g., Solidity, Rust, Vyper).
• Strong understanding of blockchain fundamentals, cryptography, decentralized systems, and consensus mechanisms.
• Experience with Web3 frameworks (e.g., Web3.js, Ethers.js) and front-end development (e.g., React, Vue.js) for dApp interfaces.
• Familiarity with blockchain development tools (e.g., Hardhat, Truffle, Foundry) and testing frameworks.
• Knowledge of security best practices for smart contracts and blockchain applications.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills, with the ability to articulate complex technical concepts.
• Experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes) is a plus.