308K–428K PLN / year
Senior Software Engineer, Fullstack (Repayments UX)
FullstackRemote — Poland
Published on 2026-10-27
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.
About this role
Build and operate repayment experiences that help Affirm customers pay back loans reliably and transparently. Own quarterly goals and deliver full-stack features, collaborating with product, design, and analytics while supporting quality, operations, and team development.
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
React NativeReactVuePythonKotlin
What you'll do
- Own and deliver quarterly team goals, guiding engineers through ambiguous problems.
- Collaborate with product management, design, and analytics on product decisions and trade-offs.
- Identify and lead resolution of project, process, technology, and business issues.
- Monitor operational metrics and support availability, on-call, and maintenance work.
- Set and improve code review and design standards; mentor teammates.
What we're looking for
- 4+ years of experience developing and architecting mobile applications.
- Experience shipping web apps using React, Vue, or similar declarative UI frameworks.
- Experience designing, developing, and launching backend systems; proficiency in Python or Kotlin.
- Ability to define technical plans for significant features and design simple, extensible systems.
- Able to make significant changes safely in large codebases.
- Strong written and verbal communication skills for global collaboration.
Nice to have
- Experience with React Native.
- Experience in consumer finance or fintech.
Benefits
- Annual equity awards, with new-hire equity examples of $32,000–$48,000 and annual refresh grants.
- Monthly technology and wellbeing spending wallet, reimbursable up to 1,390 zł.
- 100% subsidized private medical, dental, and vision coverage for employees and dependents.
- Flexible paid time off, public holidays, and additional Away Days.
- MultiSport card and learning and development programs.
- Parental leave support and family healthcare support.
- Up to 12 confidential counseling or coaching sessions annually for employees and household members.
- Employee stock purchase plan with discounted stock.