Software Engineer II, Fullstack (Repayment UX)

Remote SpainRemoteFull-time€73k–€109k2026-10-27 → 2026-11-10

Visa sponsorship offered

Core

Build and own user journeys for loan repayment, enabling over 20 million people to pay back loans worth over $40B annually with reliable and transparent consumer finance experiences.

Role type

Full-stack software engineer (Repayment UX)

Builds

Web apps and mobile applications for loan repayment user journeys

Domain

Consumer finance / Fintech

Deliverable

product features

Required skills

Backend system design and development, Python or Kotlin, React or Vue, mobile application development, code review, debugging, system architecture

Preferred skills

React Native, ownership of growth, proactive feedback seeking

Technologies

Python, Kotlin, React, Vue, React Native

Responsibilities

Break down projects into tasks and deliver in phases, collaborate with product management and design, monitor metrics and support on-call rotation, participate in code reviews and growth activities

Seniority

Mid-level, hands-on IC

About Affirm

Financial Services3128San Francisco, California, USFounded 2012

At Affirm, we’re using today’s technology to bring significant disruptive innovation to the financial industry. We focus on improving the lives of consumers by delivering simple, honest and transparent financial products. We have roles across a variety of teams, including engineering, product, finance, operations, revenue, marketing, people and more. A note to applicants: Fake job and recruiting scams are on the rise. Affirm will never ask you to pay any upfront fees or send you any checks to purchase equipment during any part of the recruiting process. Affirm only uses legitimate company emai