Backend Engineer - Card Transaction Processing

About Us

Ether.fi is one of the largest crypto companies in the world. We have over $10B in assets under management and a team of 30, almost all technical staff. We’ve been profitable from day one and are focusing on building real consumer applications.

The future we envisage is true on-chain banking. Our current products—Stake, Liquid, and Cash—enable users to earn yield in a variety of DeFi strategies and spend their assets in the real world with our credit cards. You can view public analytics on Dune for Cash and Stake.

Position Overview

We’re looking for a senior full backend software engineer to own core backend architecture, card transaction processing, and high availability. You will belong to a key engineering team focusing on delivering distributed, scalable, and robust backend systems. This includes everything from card transaction processing and low-latency APIs to microservice architectures and on-chain data indexing. Anything that a neobank would build is on our roadmap.

What You’ll Do

• Own core areas of our backend systems and extend current functionality to improve throughput and latency.
• Design, develop, and optimize scalable transaction processing services to support high-throughput, low-latency financial transactions.
• Tackle the challenges in user friction related to their card transactions being declined.
• Drive improvements in our Cloud Infrastructure, CI/CD pipelines, automation, observability, and monitoring systems.

What We Are Looking For

• Strong fundamentals in software engineering and problem solving.
• You have shipped impressive products with thousands of real users.
• 5+ years of professional coding experience.
• Drive, willingness to work hard, and go the extra mile. We are a highly ambitious, driven team with audacious goals, and we work very hard to make them a reality.
• Plus: Experience with credit card transaction processors such as Paymentology, Episode 6, etc.
• Plus: Experience on the card issuing side.

Perks and Benefits

• Competitive salary, performance-based incentives, and token allocation grant.
• Opportunity to work on multi-billion dollar products as part of a small team.
• Health, dental, and vision insurance plans.
• 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.

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