Software Engineer II, Fullstack (Repayment UX)

About this role

Build and operate full-stack repayment experiences that help Affirm customers pay back loans reliably and transparently. The role involves shipping user-facing features, measuring their impact, and supporting systems at scale.

About the company

Affirm offers buy now, pay later financing that lets consumers split purchases into transparent installment payments at checkout. It partners with merchants to provide flexible credit options without late fees.

The team

Repayment UX Engineering team, based in Europe.

Stack

What you'll do

• Break down larger projects and deliver work in phases with teammates.
• Collaborate with product, design, and analytics on product decisions and technical trade-offs.
• Create and monitor metrics, escalate operational issues, and support on-call efforts.
• Participate in team growth activities, including interviewing.

What we're looking for

• At least 1.5 years of software engineering experience.
• Experience designing, developing, and launching backend systems; proficiency in Python or Kotlin.
• Experience shipping web apps with React, Vue, or another declarative UI framework.
• Able to navigate large codebases, debug existing code, and provide code review feedback.
• Write clear, well-tested, extensible code for solutions spanning multiple software components.
• Strong written and verbal communication skills for collaboration with a global team.

Nice to have

• Experience developing and architecting mobile applications, preferably with React Native.

Benefits

• Annual equity awards of $24,000–$36,000 USD for new hires, with a $7,500 annual refresh.
• Monthly technology and wellbeing spending wallet reimbursable up to 1,390 zł.
• Paid time off, public holidays, and additional paid Away Days.
• Lux Med Platinum private healthcare.
• MultiSport card.
• Parental leave support and family healthcare support.
• Up to 12 confidential counseling or coaching sessions annually.
• Employee stock purchase plan.