Web3 Security Smart Contract Jobs in United States
















Job Title | Company Name | Salary | Location | Tags | Posted | |
---|---|---|---|---|---|---|
Seamless Protocol | 100k-200k | 📍 Remote but must be located in a North American timezone | DeveloperDaoSecurityStartup | 1w | ||
Galaxy | 180k-220k/year | 📍 New York, NY | Web3ResearchDeveloperTrading | 4w |

Aug 22, 2025

Seamless Protocol Core Developers are dedicated to serving the Seamless community and DAO. As part of a highly motivated, and versatile team, they work collaboratively across the stack, contributing their expertise wherever needed to drive the protocol's success.
These software development specialists possess a deep understanding of DeFi and extensive experience in smart contract development. They have a strong foundation in computer science principles and stay up-to-date with the latest advancements in blockchain technology.
With a passion for building cutting-edge DeFi solutions, core contributors at Seamless Protocol are committed to creating secure, efficient, and user-friendly products that align with the protocol's mission of providing transparent and reliable DeFi experiences. They take a proactive approach to problem-solving, anticipating potential challenges and developing innovative solutions to ensure the protocol's smooth operation and continued growth.
As key contributors of the Seamless Protocol team, they work closely with other engineers, product managers, and designers to define, prioritize, and implement protocol features and improvements. They are effective communicators and collaborators, able to clearly articulate technical concepts and contribute to strategic decision-making.
By combining their technical expertise with a strong work ethic and a commitment to the Seamless community, core developers play a vital role in shaping the future of DeFi and driving the protocol's success in the rapidly evolving blockchain ecosystem.
Responsibilities
- Develop and maintain data, backend and front end services to support the protocol's functionality
- Collaborate with other core contributors and community members to define and prioritize protocol features and improvements
- Write comprehensive documentation for smart contracts, backend services, data queries and front end integrations
- Help Seamless community members create onchain payloads for governance proposals the community puts forward
- Conduct thorough testing and auditing to ensure the security and reliability of the protocol
- Stay up-to-date with the latest trends and best practices in DeFi and blockchain technology
- Work closely with other Seamless community members on Discord, Discourse, and Github
- Design and implement core smart contracts for Seamless DeFi protocol using Solidity
Qualifications
- Deep understanding of DeFi concepts, protocols, and ecosystems
- Experience with backend development using Node.js, Go, or similar technologies
- Experience with front end development using React.js
- Experience with blockchain data tools like The Graph, Dune, etc.
- Familiarity with foundational DeFi protocols such as Uniswap, Compound, Aave, etc.
- Familiarity with blockchain development tools such as Foundry, OpenZeppelin, etc.
- Familiarity with Solidity and interacting with onchain protocols
- Excellent problem-solving skills and ability to think critically about complex systems
- Strong communication skills and ability to collaborate effectively with a distributed team
- Passion for DeFi and commitment to building transparent, reliable, and user-friendly solutions
- Experience working will small teams in a startup like environment
Listed in: Cryptocurrency Jobs, Developer Crypto Jobs, Dao Crypto Jobs, Security Crypto Jobs, Startup Web3 Jobs, DeFi Crypto Jobs, Solidity Crypto Jobs, Full Time Web3 Jobs, Smart Contract Web3 Jobs, Remote Web3 Jobs, Web3 Web3 Jobs.
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