# Senior Software Engineer - Backend

**Company:** [Ether.Fi](https://hotfix.jobs/companies/ether-fi)
**Location:** New York, NY, Denver, CO
**Role:** Backend Engineering
**Salary:** $170k – $200k/yr
**Experience:** 5+ years
**Skills:** Backend Development, Microservices, Low-Latency Apis, Transaction Processing, Cloud Infrastructure, CI/CD, Observability, Monitoring, Distributed Systems, On-Chain Data Indexing
**Posted:** 2025-08-29

> Owns core backend architecture, card transaction processing, and high-availability systems for a crypto neobank. Requires 5+ years experience building scalable, low-latency services for real users.

## Job Description

## Responsibilities
- Own core areas of backend systems and extend functionality to improve throughput and latency.
- Design, develop, and optimize scalable transaction processing services for high-throughput, low-latency financial transactions.
- Tackle challenges in user frictions for card transactions being declined.
- Drive improvements in Cloud Infrastructure, CI/CD pipelines, automation, observability, and monitoring systems.

## Requirements
- Strong fundamentals in software engineering and problem solving.
- Shipped impressive products with thousands of real users.
- 5+ years of professional coding experience.
- Drive, willingness to work hard and go the extra mile.

## Nice-to-haves
- Experience in credit card transaction processors such as Paymentology, Episode 6, etc.

## Perks and Benefits
- Competitive salary, performance-based incentives, and token allocation grant.
- Health, dental, and vision insurance plans.
- Global team with opportunity for travel and working out of 3 offices.
- 4 weeks work from anywhere.
- Exciting company events and team-building off-sites.

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