Staff Backend Engineer, Cards (EU) — Remote Spain

JobFluent; United States; On-site; USD 101,000 - 157,000; Full time

Benefits offered by this job

Visa sponsorship (Spain)

Job summary

Affirm is seeking a Staff Software Engineer, Backend (Card) to lead EU card backend engineering. The role focuses on architecture across card systems, coordinating with EU teams, and ensuring high-performance, scalable services that process transactions in milliseconds.

The position requires 8+ years in software engineering, with strong Python, Kotlin, AWS, MySQL and Kubernetes experience. Remote-spanish flexibility and visa sponsorship are offered for Spain-based candidates.

Qualifications

• Minimum 8+ years of software engineering experience.
• Experience designing, developing and launching backend systems at scale.
• Proficient in Python, Kotlin, AWS, MySQL and Kubernetes.
• Experience delivering major features or components with a clear technical plan.

Responsibilities

• Set technical strategy for the team on a yearly horizon.
• Lead software engineering for all EU cards.
• Collaborate with product, design and analytics across the development lifecycle.
• Define and advocate technical solutions and operational processes.

Skills

8+ years exp

Backend architecture

Python

Kotlin

AWS

MySQL

Kubernetes

Tools

Kubernetes

Job description

Affirm is seeking a Staff Software Engineer, Backend (Card) to lead EU card backend engineering. The role focuses on architecture across card systems, coordinating with EU teams, and ensuring high-performance, scalable services that process transactions in milliseconds.

The position requires 8+ years in software engineering, with strong Python, Kotlin, AWS, MySQL and Kubernetes experience. Remote-spanish flexibility and visa sponsorship are offered for Spain-based candidates.