Backend Engineer - Card Transaction Processing

ether.fi· Engineering
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🌍 Remote📍 Cayman📍 Denver📍 New YorkFullTime💰 USD 170K–200K/yr

About this role

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 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. 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

Frequently Asked Questions

What is the salary for the Backend Engineer - Card Transaction Processing role at ether.fi?
The listed salary for this Backend Engineer - Card Transaction Processing position at ether.fi is USD 170K–200K/yr. This is a remote FullTime role.
Is the Backend Engineer - Card Transaction Processing job at ether.fi remote?
Yes, this Backend Engineer - Card Transaction Processing position at ether.fi is remote, with team members based in Cayman, Denver, New York. You can work from home or anywhere in the supported regions.
Is the Backend Engineer - Card Transaction Processing role at ether.fi full-time or part-time?
This is listed as a FullTime position. It is posted as a Backend Engineer - Card Transaction Processing role in the Engineering department at ether.fi.
Which team or department does the Backend Engineer - Card Transaction Processing at ether.fi belong to?
This Backend Engineer - Card Transaction Processing position is part of the Engineering department at ether.fi. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Backend Engineer - Card Transaction Processing position at ether.fi?
Click the "Apply Now" button on this page. You will be redirected to ether.fi's official application portal hosted on ashby where you can submit your application directly.
When was the Backend Engineer - Card Transaction Processing job at ether.fi posted?
This Backend Engineer - Card Transaction Processing position at ether.fi was posted on Apr 3, 2026. Apply as soon as possible — early applications are often reviewed first.
Backend Engineer - Card Transaction Processing
ether.fi · 💰 USD 170K–200K/yr
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You'll be redirected to ether.fi's official application page on Ashby ATS.