Full Stack Engineer (Web3)
Tampa, FL · On-site
$120K/yr
Blockchain and Marketplace Infrastructure: Work with backend and database infrastructure that support indexing of smart contract events using Subgraphs or other blockchain data querying methods
Tampa, FL · On-site
$120K/yr
Blockchain and Marketplace Infrastructure: Work with backend and database infrastructure that support indexing of smart contract events using Subgraphs or other blockchain data querying methods
Tampa, FL · On-site
$120K/yr
Blockchain and Marketplace Infrastructure: Work with backend and database infrastructure that support indexing of smart contract events using Subgraphs or other blockchain data querying methods
$230K - $297K/yr
You will anticipate and manage legal risks related to blockchain technologies, smart contracts, and digital asset frameworks, helping ensure Arc aligns with Circle's vision and commitment to ...
$230K - $297K/yr
You will anticipate and manage legal risks related to blockchain technologies, smart contracts, and digital asset frameworks, helping ensure Arc aligns with Circle's vision and commitment to ...
$120 - $180/hr
Design blockchain solutions, ensuring that the architecture is secure and optimized for scalability ... Strong understanding of smart contract development and deployment, with experience in platforms ...
$120 - $180/hr
Design blockchain solutions, ensuring that the architecture is secure and optimized for scalability ... Strong understanding of smart contract development and deployment, with experience in platforms ...
Miami, FL · Remote
... of blockchain fundamentals, smart contracts, or Web3 APIs (e.g., Ethers.js, Web3.js) is a big plus Solid experience with WebSockets and real-time messaging systems Proven ability to design and ...
Miami, FL · Remote
... of blockchain fundamentals, smart contracts, or Web3 APIs (e.g., Ethers.js, Web3.js) is a big plus Solid experience with WebSockets and real-time messaging systems Proven ability to design and ...
Miami, FL · On-site
... blockchain fundamentals, smart contracts, or Web3 APIs (e.g., Ethers.js, Web3.js) is a big plus • Solid experience with WebSockets and real-time messaging systems • Proven ability to design and ...
Miami, FL · On-site
... blockchain fundamentals, smart contracts, or Web3 APIs (e.g., Ethers.js, Web3.js) is a big plus • Solid experience with WebSockets and real-time messaging systems • Proven ability to design and ...
$240 - $360/hr
Expertise in auditing secure SDLC methodologies specifically for smart contracts, blockchain nodes, and exchange applications, including formal verification, fuzz testing, and secure coding practices ...
$240 - $360/hr
Expertise in auditing secure SDLC methodologies specifically for smart contracts, blockchain nodes, and exchange applications, including formal verification, fuzz testing, and secure coding practices ...
Miami, FL · Remote
... blockchain fundamentals, smart contracts, or Web3 APIs (e.g., Ethers.js, Web3.js) is a big plus · Solid experience with WebSockets and real-time messaging systems · Proven ability to design and ...
Quick apply
Miami, FL · Remote
... blockchain fundamentals, smart contracts, or Web3 APIs (e.g., Ethers.js, Web3.js) is a big plus · Solid experience with WebSockets and real-time messaging systems · Proven ability to design and ...
$174.24 - $261.36/hr
Direct experience with Ethereum and Solana native environments; familiarity with other blockchain ecosystems is advantageous. Proven track record in DeFi, smart contracts, token protocols, cross ...
$174.24 - $261.36/hr
Direct experience with Ethereum and Solana native environments; familiarity with other blockchain ecosystems is advantageous. Proven track record in DeFi, smart contracts, token protocols, cross ...
... blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin ... Support the creation and expansion of contract templates and terms of use to reflect new and ...
... blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin ... Support the creation and expansion of contract templates and terms of use to reflect new and ...
Orlando, FL · On-site
$150 - $200/hr
At least one year of experience in TypeScript, NestJS, APIs, blockchain data processing, Solidity smart contracts, blockchain infrastructure components (indexers, event listeners, data pipelines ...
Orlando, FL · On-site
$150 - $200/hr
At least one year of experience in TypeScript, NestJS, APIs, blockchain data processing, Solidity smart contracts, blockchain infrastructure components (indexers, event listeners, data pipelines ...
$131K - $179K/yr
... blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin ... Support the creation and expansion of contract templates and playbooks for capital markets ...
$131K - $179K/yr
... blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin ... Support the creation and expansion of contract templates and playbooks for capital markets ...
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Quick apply
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Miami, FL · Remote
$100K - $160K/yr
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Quick apply
Miami, FL · Remote
$100K - $160K/yr
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Miami, FL · On-site
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Miami, FL · On-site
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Quick apply
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Familiarity with blockchain technology (EVM, smart contracts, Web3) * Extensive QA experience in crypto/blockchain or fintech applications * Fluent English communication skills TECHNICAL SKILLS ...
Blockchain knowledge is highly valued as a potential link to other opportunities. This role is ... Lead the full sales cycle from initial outreach through commercial negotiation and contract close
Blockchain knowledge is highly valued as a potential link to other opportunities. This role is ... Lead the full sales cycle from initial outreach through commercial negotiation and contract close
Blockchain knowledge is highly valued as a potential link to other opportunities. This role is ... Lead the full sales cycle from initial outreach through commercial negotiation and contract close
Blockchain knowledge is highly valued as a potential link to other opportunities. This role is ... Lead the full sales cycle from initial outreach through commercial negotiation and contract close
This is a long term freelance/contract position. We hope to develop a long relationship, delivering ... Blockchain, Machine Learning, Gaming experience
This is a long term freelance/contract position. We hope to develop a long relationship, delivering ... Blockchain, Machine Learning, Gaming experience
$250 - $420/hr
Aptos is a people-first blockchain on a mission to help billions of people achieve universal and ... Smart Contract Risk Management * Monitoring Tools: Partner with engineers to implement surveillance ...
$250 - $420/hr
Aptos is a people-first blockchain on a mission to help billions of people achieve universal and ... Smart Contract Risk Management * Monitoring Tools: Partner with engineers to implement surveillance ...
A Blockchain Contract job typically involves working with smart contracts, which are self-executing agreements written in code and deployed on blockchain platforms like Ethereum, Solana, or Binance Smart Chain. Professionals in this role develop, audit, and maintain smart contracts to ensure security and efficiency. They often work with programming languages like Solidity, Rust, or Vyper and need a strong understanding of cryptographic principles and decentralized applications (dApps). The role may also involve integrating smart contracts with front-end and back-end systems.
To excel in a Blockchain Contract role, you need strong expertise in smart contract development, cryptography, and blockchain platforms such as Ethereum, typically supported by a background in computer science or related fields. Familiarity with programming languages like Solidity, smart contract testing frameworks, and blockchain development tools is crucial, along with relevant certifications such as Certified Blockchain Developer or Ethereum Developer certification. Attention to detail, analytical thinking, and clear communication skills are vital for collaborating across technical and legal teams. These skills and qualities ensure the reliable creation, deployment, and maintenance of secure and effective blockchain contracts.
Professionals working with blockchain contracts often encounter challenges such as ensuring the security and accuracy of smart contract code, keeping up with rapidly evolving blockchain technologies, and integrating these contracts with existing business systems. It is also common to navigate complex regulatory requirements, which can vary by jurisdiction, and to manage interdisciplinary collaboration with technical, legal, and business teams. Staying current with best practices and ongoing developments in the blockchain space helps professionals proactively address these challenges and deliver robust solutions for their organizations.

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Finance and insurance
51 - 200 Employees
New York, NY, US
1955