Day1x

Smart Contract Engineer

• Design, develop, and deploy smart contracts on the Ethereum/L2 blockchains, ensuring they are secure, efficient, and optimized for gas consumption.
• Conduct thorough testing and auditing of smart contracts to ensure security and functionality, utilizing tools such as Forge for an enhanced development workflow.
• Stay abreast of the latest developments in Ethereum, Solidity, and blockchain technology to continually improve contract efficiency and security.
• Contribute to the development of internal best practices for smart contract development, including security measures, coding standards, and documentation.
• Participate in code reviews and provide constructive feedback to peers to maintain high-quality code standards.
• Assist in the development and deployment of blockchain infrastructure

Staff Smart Contract Engineer

Data Scientist

• About Us: Ether.fi is an innovative, rapidly growing crypto-native financial platform on a mission to put users in control of their wealth—making it easy to save, earn, and spend crypto.
• With over $8B in assets under management and a lean, agile team of 25+, we’re building sustainable, secure, and scalable financial infrastructure to onboard the next billion users to crypto.
• Position Overview: We’re looking for a Data Insights & Analytics Lead to help turn onchain data into strategic insights that power product growth, user retention, and investor engagement.
• Responsibilities: Build and maintain dashboards to track TVL, user funnels, vault performance, protocol cash flows, and other key metrics
• Analyze onchain data to generate insights that guide product direction, user incentives, and growth strategies
• Benchmark ether.fi performance against competitors and evolving market trends
• Collaborate with engineering and design to improve how analytics are surfaced across internal tools and user-facing interfaces
• Contribute to go-to-market planning for new product launches and vault offerings
• Partner with marketing, BD, and product to track and improve user retention and protocol revenue
• Prepare protocol-level analysis for quarterly investor calls and ecosystem updates
• Translate complex data into clear, compelling narratives for both internal and external audiences

Staff Smart Contract Engineer

Data Insights and Analytics Lead