273 Smart Contract Developer jobs in the United States
Smart Contract Developer
94201 Sacramento, California
$130000 Annually
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Our client is seeking a skilled Smart Contract Developer to contribute to groundbreaking projects in the decentralized finance (DeFi) and Web3 space, based in Sacramento, California, US , with remote work options available. This role is for a forward-thinking developer who is passionate about blockchain technology and its potential to revolutionize industries. You will be responsible for designing, developing, testing, and deploying secure and efficient smart contracts on various blockchain platforms. Key responsibilities include writing clean, well-documented, and gas-efficient smart contract code, typically in Solidity for Ethereum-based networks. You will collaborate with product managers and other developers to define smart contract requirements, implement token standards (e.g., ERC-20, ERC-721), and develop decentralized applications (dApps). Thorough testing, including unit testing, integration testing, and security audits, is a critical part of this role. The ideal candidate possesses a strong understanding of blockchain principles, cryptography, and smart contract security best practices. Proven experience in developing and deploying smart contracts on platforms like Ethereum, Polygon, or Binance Smart Chain is essential. Proficiency in Solidity, as well as experience with development frameworks such as Hardhat or Truffle, is highly desired. Familiarity with frontend technologies for dApp integration (e.g., React, Web3.js) is a plus. Excellent problem-solving abilities, a keen eye for detail, and a commitment to writing secure and robust code are paramount. This is a full-time contract position offering flexibility and the opportunity to work on cutting-edge blockchain solutions. If you are a talented developer ready to make a significant impact in the rapidly evolving world of Web3, we invite you to apply.
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0
Lead Smart Contract Developer
19102 Philadelphia, Pennsylvania
$165000 Annually
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Our client, a dynamic leader in the decentralized finance (DeFi) and blockchain space, is seeking a highly skilled Lead Smart Contract Developer to join their fully remote development team. This is a crucial role for an individual with exceptional expertise in building secure, efficient, and innovative smart contracts. You will lead the design, development, testing, and deployment of smart contracts across various blockchain platforms, primarily focusing on the Ethereum ecosystem. Responsibilities include writing high-quality, secure code in Solidity, implementing complex logic for DeFi protocols, NFTs, and other blockchain-based applications. You will conduct thorough code reviews, implement advanced security measures, and perform comprehensive testing to ensure the integrity and reliability of contracts. Mentoring junior developers, staying abreast of the latest blockchain advancements, and contributing to architectural decisions are also key aspects of this position.
The ideal candidate will have a strong portfolio showcasing sophisticated smart contract development, with a deep understanding of best practices in blockchain security and development. Proficiency in Solidity, along with experience with frameworks like Hardhat or Truffle, is essential. Familiarity with various blockchain protocols, consensus mechanisms, and the broader DeFi landscape is required. Excellent problem-solving skills, meticulous attention to detail, and a proactive approach to identifying and mitigating potential vulnerabilities are critical. You must possess strong communication and collaboration skills to work effectively within a distributed team. A Bachelor's or Master's degree in Computer Science or a related field, coupled with extensive, relevant experience in smart contract development, is mandatory. If you are a forward-thinking developer passionate about the potential of blockchain and seeking a challenging, fully remote role, we encourage you to apply.
The ideal candidate will have a strong portfolio showcasing sophisticated smart contract development, with a deep understanding of best practices in blockchain security and development. Proficiency in Solidity, along with experience with frameworks like Hardhat or Truffle, is essential. Familiarity with various blockchain protocols, consensus mechanisms, and the broader DeFi landscape is required. Excellent problem-solving skills, meticulous attention to detail, and a proactive approach to identifying and mitigating potential vulnerabilities are critical. You must possess strong communication and collaboration skills to work effectively within a distributed team. A Bachelor's or Master's degree in Computer Science or a related field, coupled with extensive, relevant experience in smart contract development, is mandatory. If you are a forward-thinking developer passionate about the potential of blockchain and seeking a challenging, fully remote role, we encourage you to apply.
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1
Lead Smart Contract Developer
97201 Portland, Oregon
$180000 Annually
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Our client, a pioneering force in the decentralized finance (DeFi) ecosystem, is seeking an experienced Lead Smart Contract Developer to join their innovative team in Portland, Oregon, US . This role is central to developing secure, efficient, and robust smart contracts for our cutting-edge blockchain platforms. You will be responsible for the entire lifecycle of smart contract development, from initial design and coding to testing, deployment, and ongoing maintenance. This includes writing high-quality, secure code in languages such as Solidity, ensuring compliance with best practices, and conducting thorough code reviews. The ideal candidate will have a deep understanding of blockchain architecture, consensus mechanisms, and security principles. You will collaborate closely with product managers, designers, and other developers to translate complex requirements into functional smart contracts. This hybrid position requires a commitment to in-office collaboration for team meetings and strategic brainstorming sessions approximately two days per week, with the flexibility for remote work for focused development tasks. We are looking for a proactive leader who can mentor junior developers, drive technical innovation, and contribute to the strategic direction of our smart contract development. Your expertise will be critical in building the future of decentralized applications and ensuring the security and integrity of our financial protocols. This is an exceptional opportunity to work on the bleeding edge of technology and shape the future of finance.
Qualifications:
Qualifications:
- Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
- 5+ years of professional software development experience, with at least 3 years focused on blockchain and smart contract development.
- Expertise in Solidity, Rust, or other smart contract programming languages.
- Deep understanding of Ethereum Virtual Machine (EVM) and blockchain protocols.
- Experience with smart contract security best practices and auditing.
- Proficiency in development tools and frameworks (e.g., Truffle, Hardhat).
- Strong problem-solving and analytical skills.
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2
Lead Smart Contract Developer
48201 Detroit, Michigan
$170000 Annually
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Our client is looking for an experienced Lead Smart Contract Developer to join our innovative team in **Detroit, Michigan**. This pivotal role involves architecting, developing, and deploying secure and efficient smart contracts for a variety of blockchain applications. You will lead a team of developers, mentor junior talent, and ensure the highest standards of code quality and security. The ideal candidate has a proven track record in developing complex smart contracts and a deep understanding of blockchain technology and its ecosystem. Responsibilities include:
- Designing and implementing robust, secure, and gas-efficient smart contracts on platforms like Ethereum, Binance Smart Chain, and Polygon.
- Leading the development lifecycle of smart contracts from conception to deployment and maintenance.
- Conducting thorough code reviews, security audits, and performance optimizations.
- Collaborating with product managers, designers, and other engineers to define and build decentralized applications.
- Mentoring and guiding junior smart contract developers, fostering a culture of learning and excellence.
- Staying up-to-date with the latest advancements in blockchain technology, smart contract languages, and security best practices.
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3
Lead Smart Contract Developer
35801 Huntsville, Alabama
$160000 Annually
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Our client is looking for a highly skilled and experienced Lead Smart Contract Developer to join their pioneering, fully remote team, working at the forefront of blockchain technology innovation. This role is critical for the design, development, and deployment of secure, efficient, and scalable smart contracts and decentralized applications (dApps) for a range of cutting-edge projects.
You will be responsible for the entire lifecycle of smart contract development, from conceptualization and architecture to coding, testing, and deployment on various blockchain networks. Your expertise will be crucial in writing clean, well-documented, and secure code, adhering to best practices and industry standards. You will lead a team of smart contract developers, providing technical guidance, mentoring, and conducting code reviews to ensure quality and security.
The ideal candidate will possess a deep understanding of blockchain fundamentals, consensus mechanisms, cryptography, and decentralized finance (DeFi) protocols. Proficiency in Solidity and experience with other smart contract languages like Vyper or Rust are essential. You should have a strong grasp of security principles and a proven ability to identify and mitigate vulnerabilities such as reentrancy, overflow/underflow, and gas limit issues. Experience with testing frameworks like Hardhat or Truffle and familiarity with tools for static analysis and formal verification are highly valued.
Key responsibilities include architecting complex smart contract systems, researching and implementing new blockchain technologies, and collaborating with product managers and other stakeholders to define technical requirements. You will also contribute to the development of robust development and deployment pipelines. This is a fully remote position, demanding excellent communication skills for effective collaboration with a distributed team and a proactive, self-motivated approach to problem-solving.
Qualifications:
You will be responsible for the entire lifecycle of smart contract development, from conceptualization and architecture to coding, testing, and deployment on various blockchain networks. Your expertise will be crucial in writing clean, well-documented, and secure code, adhering to best practices and industry standards. You will lead a team of smart contract developers, providing technical guidance, mentoring, and conducting code reviews to ensure quality and security.
The ideal candidate will possess a deep understanding of blockchain fundamentals, consensus mechanisms, cryptography, and decentralized finance (DeFi) protocols. Proficiency in Solidity and experience with other smart contract languages like Vyper or Rust are essential. You should have a strong grasp of security principles and a proven ability to identify and mitigate vulnerabilities such as reentrancy, overflow/underflow, and gas limit issues. Experience with testing frameworks like Hardhat or Truffle and familiarity with tools for static analysis and formal verification are highly valued.
Key responsibilities include architecting complex smart contract systems, researching and implementing new blockchain technologies, and collaborating with product managers and other stakeholders to define technical requirements. You will also contribute to the development of robust development and deployment pipelines. This is a fully remote position, demanding excellent communication skills for effective collaboration with a distributed team and a proactive, self-motivated approach to problem-solving.
Qualifications:
- Bachelor's or Master's degree in Computer Science, Engineering, or a related quantitative field.
- 5+ years of experience in software development, with at least 3 years focused on blockchain and smart contract development.
- Expertise in Solidity and experience with EVM-compatible chains.
- Strong understanding of DeFi, NFTs, and token standards (ERC-20, ERC-721).
- Experience with smart contract testing frameworks and security auditing tools.
- Excellent leadership, communication, and problem-solving skills.
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4
Lead Smart Contract Developer
48201 Detroit, Michigan
$160000 Annually
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Our client is actively recruiting a Lead Smart Contract Developer to spearhead blockchain development initiatives from their operations hub. This fully remote position offers the opportunity to design, build, and deploy secure and efficient smart contracts for decentralized applications (dApps). You will be responsible for architecting the smart contract layer, ensuring its integrity, and optimizing it for performance and gas efficiency. Your work will directly impact the functionality and security of our blockchain-based products. We are seeking a candidate with a deep understanding of Solidity, Ethereum Virtual Machine (EVM) intricacies, and best practices for secure smart contract development. You will lead code reviews, conduct extensive testing (unit, integration, and security), and contribute to the overall blockchain strategy. Collaboration with front-end developers, product managers, and stakeholders will be key to translating business logic into executable smart contracts. You should be proficient in development frameworks like Truffle or Hardhat and possess experience with decentralized finance (DeFi) protocols or non-fungible tokens (NFTs). A strong foundation in cryptography and security principles is paramount. The ideal candidate demonstrates leadership qualities, a passion for decentralized technologies, and a proactive approach to problem-solving. You will also contribute to documentation, knowledge sharing within the team, and stay updated on emerging trends in the blockchain ecosystem. This role is perfect for a seasoned developer who thrives in a remote, collaborative environment and wants to shape the future of decentralized technology.
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5
Senior Smart Contract Developer
68101 Omaha, Nebraska
$140000 Annually
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Our client is a pioneering force in the blockchain space, actively seeking a highly skilled Senior Smart Contract Developer for a fully remote position. You will be at the forefront of designing, developing, and auditing secure and efficient smart contracts for decentralized applications (dApps) on various blockchain networks. This role demands a deep understanding of smart contract security best practices, gas optimization, and the ability to write robust, verifiable code. You will collaborate with product teams, designers, and other engineers to bring innovative blockchain solutions to life. Responsibilities include contributing to the architecture of decentralized systems, writing comprehensive unit and integration tests, and actively participating in code reviews. The ideal candidate will have extensive experience with Solidity, familiarity with different blockchain protocols (e.g., Ethereum, Polygon, BSC), and a strong grasp of cryptography and blockchain fundamentals. This fully remote opportunity allows you to work with a global team, tackling complex challenges and contributing to the growth of decentralized technologies. We offer a flexible work environment that values autonomy and innovation, empowering you to make a significant impact in the rapidly evolving world of cryptocurrency and blockchain.
Key Responsibilities:
Qualifications:
Key Responsibilities:
- Develop, test, and deploy secure smart contracts on various blockchain platforms.
- Write efficient and gas-optimized smart contract code (e.g., Solidity).
- Conduct thorough smart contract audits and security assessments.
- Collaborate with product managers and engineers to define smart contract requirements.
- Implement decentralized applications (dApps) and related backend services.
- Contribute to the design and architecture of blockchain protocols and systems.
- Write comprehensive unit and integration tests for smart contracts.
- Stay updated with the latest trends and advancements in smart contract development and blockchain security.
- Mentor junior developers and participate in knowledge sharing.
Qualifications:
- Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field.
- Minimum of 5 years of experience in software development, with at least 3 years focused on smart contract development.
- Expertise in Solidity and experience with other smart contract languages.
- Proficiency with blockchain development frameworks (e.g., Hardhat, Truffle).
- Strong understanding of Ethereum Virtual Machine (EVM) and blockchain principles.
- Experience with web3 libraries (e.g., web3.js, ethers.js).
- Knowledge of smart contract security patterns and best practices.
- Excellent problem-solving and analytical skills.
- Strong communication skills for a remote team environment.
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6
Senior Smart Contract Developer
20001 Washington, District Of Columbia
$160000 Annually
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Our client is a pioneering force in the decentralized finance (DeFi) ecosystem, building innovative solutions on the blockchain. We are actively seeking a Senior Smart Contract Developer to join our fully remote team and contribute to the architecture, development, and deployment of secure and efficient smart contracts. This is an exceptional opportunity to work with a talented group of professionals on groundbreaking projects in the rapidly evolving world of crypto and blockchain.
As a remote-first professional, you will collaborate closely with product managers, engineers, and auditors to translate complex business logic into secure, well-tested, and gas-efficient smart contracts. Your responsibilities will include designing scalable contract architectures, writing high-quality code (primarily Solidity), conducting thorough testing (unit, integration, end-to-end), and participating in code reviews. You will also play a crucial role in researching new blockchain technologies, best practices, and potential security enhancements. A deep understanding of Ethereum Virtual Machine (EVM) nuances, token standards (ERC-20, ERC-721, etc.), and DeFi protocols is essential. You will be instrumental in shaping the future of our decentralized applications.
Key Responsibilities:
Qualifications:
As a remote-first professional, you will collaborate closely with product managers, engineers, and auditors to translate complex business logic into secure, well-tested, and gas-efficient smart contracts. Your responsibilities will include designing scalable contract architectures, writing high-quality code (primarily Solidity), conducting thorough testing (unit, integration, end-to-end), and participating in code reviews. You will also play a crucial role in researching new blockchain technologies, best practices, and potential security enhancements. A deep understanding of Ethereum Virtual Machine (EVM) nuances, token standards (ERC-20, ERC-721, etc.), and DeFi protocols is essential. You will be instrumental in shaping the future of our decentralized applications.
Key Responsibilities:
- Design, develop, test, and deploy secure and efficient smart contracts on various blockchain platforms (primarily Ethereum).
- Write clean, maintainable, and well-documented Solidity code adhering to best practices.
- Implement token standards such as ERC-20, ERC-721, and ERC-1155.
- Develop and maintain comprehensive unit tests, integration tests, and end-to-end tests for smart contracts.
- Conduct rigorous code reviews and security audits for smart contract code.
- Collaborate with cross-functional teams, including product, engineering, and design, to define and implement smart contract functionality.
- Research and stay current with the latest advancements in blockchain technology, smart contract development, and security vulnerabilities.
- Optimize smart contracts for gas efficiency and performance.
- Troubleshoot and debug smart contract issues post-deployment.
- Contribute to the overall architecture and technical strategy of our decentralized applications.
Qualifications:
- Bachelor's degree in Computer Science, Software Engineering, or a related field; Master's degree is a plus.
- Minimum of 5 years of professional software development experience, with at least 3 years specifically focused on smart contract development (Solidity).
- Proven experience developing, testing, and deploying complex smart contracts for DeFi or other blockchain applications.
- In-depth knowledge of the Ethereum Virtual Machine (EVM) and its components.
- Strong understanding of cryptographic principles and security best practices for smart contracts.
- Familiarity with blockchain development tools and frameworks (e.g., Hardhat, Truffle, Ganache).
- Experience with version control systems (e.g., Git).
- Excellent problem-solving, analytical, and debugging skills.
- Strong communication and collaboration skills, with the ability to work effectively in a remote, distributed team environment.
- Understanding of front-end development (JavaScript, React) is a plus.
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7
Lead Smart Contract Developer
27701 Durham, North Carolina
$160000 Annually
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We are seeking a highly accomplished and innovative Lead Smart Contract Developer to join our fully remote team. This pivotal role is at the forefront of decentralized application development, focusing on building secure, efficient, and scalable smart contracts for various blockchain platforms. As a Lead Developer, you will be instrumental in designing the architecture of our smart contract systems, writing high-quality, audited code, and ensuring the integrity and security of our blockchain-based products. Your responsibilities will include leading a team of talented blockchain engineers, mentoring junior developers, conducting thorough code reviews, and implementing best practices in smart contract development and testing. You will collaborate closely with product managers, UI/UX designers, and other engineering teams to translate business requirements into functional smart contract logic. Deep expertise in Solidity and experience with major blockchain protocols such as Ethereum, Polygon, or Binance Smart Chain are essential. Familiarity with Web3 technologies, decentralized finance (DeFi) protocols, NFTs, and DAO governance models is highly desirable. The ideal candidate will possess strong analytical and problem-solving skills, with a meticulous approach to security and vulnerability assessment. Experience with formal verification tools and a solid understanding of cryptography and consensus mechanisms are also crucial. You must have a proven track record of successfully deploying smart contracts to production environments. A bachelor's or master's degree in Computer Science, Engineering, or a related quantitative field is preferred, along with a minimum of 5 years of experience in software development, with at least 3 years specifically in blockchain and smart contract development. Excellent communication skills and the ability to thrive in a remote, collaborative environment are critical for success in this role. This is an exceptional opportunity to shape the future of decentralized technologies and contribute to groundbreaking projects from anywhere in the world.
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8
Senior Smart Contract Developer
63101 St. Louis, Missouri
$130000 Annually
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Our client is seeking a highly skilled Senior Smart Contract Developer to join their pioneering Crypto & Blockchain team. This is a fully remote position, offering unparalleled flexibility for top talent across the globe. You will be at the forefront of developing secure, efficient, and innovative smart contracts for decentralized applications and platforms. The ideal candidate possesses a deep understanding of blockchain architecture, extensive experience with Solidity or similar smart contract languages, and a passion for building the future of decentralized finance (DeFi) and Web3 technologies. You will work closely with product managers, designers, and other engineers to bring complex blockchain solutions to life, ensuring the highest standards of code quality and security.
Responsibilities:
Responsibilities:
- Design, develop, test, and deploy secure and efficient smart contracts on various blockchain platforms (e.g., Ethereum, Binance Smart Chain, Polygon).
- Write clean, well-documented, and optimized code in Solidity or other smart contract languages.
- Collaborate with cross-functional teams to define smart contract requirements and architecture.
- Conduct thorough code reviews and security audits of smart contracts developed by the team.
- Identify and mitigate potential vulnerabilities and risks in smart contract code.
- Integrate smart contracts with front-end applications and backend services.
- Stay updated with the latest advancements in blockchain technology, smart contract development, and security best practices.
- Contribute to the development of decentralized applications (dApps) and DeFi protocols.
- Mentor junior developers and share knowledge within the team.
- Troubleshoot and resolve issues related to smart contract deployment and execution.
- Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field.
- Minimum of 5 years of experience in software development, with at least 3 years specifically in smart contract development.
- Extensive experience with Solidity and the Ethereum Virtual Machine (EVM).
- Proficiency with smart contract development frameworks (e.g., Truffle, Hardhat, Brownie).
- Strong understanding of blockchain principles, consensus mechanisms, and token standards (ERC-20, ERC-721, etc.).
- Experience with security best practices for smart contracts and blockchain applications.
- Familiarity with testing methodologies for smart contracts.
- Experience with decentralized application architecture.
- Excellent problem-solving, analytical, and communication skills.
- Ability to work independently and collaboratively in a remote, fast-paced environment.
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