Backend Engineer - Card Transaction Processing at Ether.fi (New York, NY)
Ether.fi· New York, NY·
Role details
Job description
About us:
Ether.fi 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 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 dune.com/etherfi-cash and Stake dune.com/etherfi.
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. Everything from card transaction processing, low latency apis, 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 throughout and latency
- Design, develop, and optimize scalable transaction processing services to support high-throughput, low-latency financial transactions.
- Tackle the challenges in user frictions for 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 if you are experienced in credit card transaction processor such as Paymentology, Episode 6, etc.
- Plus if you are experience in 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
Why work at Ether.fi
- High Impact, Small Team: With ~30 employees and $10B+ in AUM, every employee has outsized responsibility and influence on the product and protocol.
- Top Compensation: Annual performance-based bonuses, option to be paid in ETH, and a share of token allocation.
- Wellness Benefits: Unlimited paid time off, one month per year to work fully remotely, plus health, dental, and vision coverage.
- In-Office Collaboration: The company emphasizes in-person work (79% on-site, 16% hybrid) with offices in New York, Denver, Grand Cayman, and Dubai. They believe face-to-face interaction drives success.
- Culture & Events: Frequent company off-site retreats (e.g., Cayman Islands, Lisbon) and attendance at top crypto events.
- Engineering Culture: A builder-first environment with a focus on security, smart contract engineering, and real-time fraud/scam hunting. The interview process includes a skills-based interview and a final meeting with the CEO.
- Guiding Principles: Decentralization is a primary objective, sustainable revenue model, and "never compromise on ethics."