Blockchain Engineer

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. Positioned as a leading decentralized finance (DeFi) bank, ether.fi offers a fully integrated, non-custodial suite of products—Stake, Liquid, and Cash—that bridge crypto utility with real-world convenience.

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. Our offerings include liquid staking, automated yield strategies, and crypto-native payment solutions like credit cards, enabling a comprehensive decentralized banking experience.

As we continue to scale, we’re actively hiring talented, mission-driven individuals who want to shape the future of finance from the ground up.

Learn more at ether.fi.

Position Overview:

We’re seeking a talented Blockchain Engineer to join our dynamic team at ether.fi. As part of our engineering team, you'll design and build secure, scalable decentralized financial services and backend systems that empower users to manage their entire financial portfolio through a single crypto-native app. You'll directly contribute to delivering products that achieve market fit beyond crypto-native users, facilitating significant real-world utility.

This role is onsite 4 days per week at one of our global offices: Toronto, Denver, or the Cayman Islands.

What you will do:

• Develop, audit, and deploy secure, efficient smart contracts and decentralized applications (DApps) in Solidity, enabling products such as staking, yield vaults, lending protocols, and crypto credit card integrations.

• Design and maintain high-performance backend systems and microservices in Golang or Python, enabling scalable automation of protocol operations.

• Manage, scale, and optimize relational databases (PostgreSQL) to ensure high availability and data integrity.

• Integrate blockchain technology with backend services and frontend applications, ensuring seamless, end-to-end product functionality.

• Implement secure, performant, and scalable API services supporting mobile and web applications.

• Engage in rigorous testing, code reviews, and documentation to uphold high standards of quality and maintainability.

• Manage and optimize AWS infrastructure, CI/CD pipelines, and Kubernetes clusters to maintain robust production environments.

• Continuously optimize smart contract performance and overall system efficiency.

• Keep abreast of emerging blockchain technologies, protocols, and industry best practices, proactively suggesting improvements and innovations..

What we are looking for:

• Bachelor’s degree in Computer Science, Engineering, or a related field.

• At least 3 years industry experience in both backend development using a modern programming language (ie python, golang) and in Solidity with a solid portfolio of deployed smart contracts and DApps.

• Familiarity with blockchain technologies, smart contracts, and decentralized applications (DApps) is highly desirable.

• Excellent problem-solving abilities, with a focus on delivering efficient and scalable solutions.

• Ability to work independently and as part of a team, with strong communication skills to articulate technical concepts clearly.

Benefits:

• Competitive salary, performance-based incentives, and token allocation grant

• Opportunity to work with a Top 4 Ethereum protocol, by TVL

• Opportunities for professional development and growth within the organization

• Health, dental, and vision insurance plans

• Collaborative and inclusive work culture

• Exposure to cutting-edge technologies in the blockchain and cryptocurrency space

• Global team with opportunity for travel and working out of our 3 offices around the world

• 4 weeks work from anywhere

• Exciting company events and team-building off-sites