# Senior Software Engineer, Backend (International Payments)

- **Company:** Affirm
- **Location:** Remote UK
- **Workplace:** Remote
- **Salary:** GBP 120K–168K / year
- **Seniority:** Senior
- **Role:** Backend engineering
- **Countries:** United Kingdom
- **Languages:** Kotlin, Python
- **Posted:** 2026-10-30
- **Key facts:** Stack: Kotlin, Python, AWS, MySQL, Kubernetes; Experience: 4+ years; Remote; Visa sponsorship: no; Schedule: on-call
- **Job page:** https://rolefalcon.com/job/57440719-senior-software-engineer-backend-international-payments-affirm-remote-uk

Affirm, a software company in developer tools and infrastructure, has an open position for Senior Software Engineer, Backend (International Payments). This is a remote position, and the posting gives United Kingdom as the location. We classify it as a senior-level role in backend engineering. The stack in the posting includes AWS, MySQL, Kubernetes, Kotlin and Python. Candidates need 4+ years of experience. Visa sponsorship is not offered. There are 63 open positions from Affirm on this site, 38 of them in IT and engineering.

To apply, open the job page above and follow its Apply link to the original posting.

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