ether.fi is hiring a Senior Software Engineer - Backend in Engineering — New York. The overview below is synthesized from the employer posting on jobs.ashbyhq.com: factual requirements and scope are preserved, but prose is rewritten with editorial context. Verify details and apply via the employer link.
About us
Company context from the listing:
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.
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.
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.
What you’ll do
Day-to-day scope for the Senior Software Engineer - Backend as described in the posting:
- 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.
Perks and benefits
What the posting highlights about the offer:
- 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
Build a standout application
For the Senior Software Engineer - Backend at ether.fi, reviewers look for concise evidence over buzzwords. Mirror the language of the posting sparingly, quantify support or delivery outcomes, and show how you handled ambiguity, time-zone collaboration and user empathy. Keep your resume to impact, keep your cover note to one page, and link to artifacts — tickets resolved, docs shipped, dashboards owned — that prove you can operate in a fast-moving Web3 team. Prepare to discuss a time you turned a confusing user report into a clear fix and how you measure quality in support and operations.
Web3 hiring values reliability: on-time follow-through, clear writing, and a track record of improving runbooks and tooling. Treat the application as a work sample. For interviews, be ready to walk through how you prioritize across time zones, handle a difficult user, and decide when to escalate versus resolve directly. Show how you document decisions so the next teammate benefits.
In a distributed Web3 org, trust builds through written clarity. Use the cover note to demonstrate it.