Software Engineer II, Fullstack (Repayment UX)Remote SpainAt affirm, we exist for the moments that matter-giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most.
The Repayment UX Engineering team is growing, and we're looking for a Full-Stack Software Engineer. We're a full-stack team located entirely in Europe within the same time zone, but culturally rooted in Silicon Valley. Our team exists to make these moments the most reliable and transparent in world-class consumer finance.
Our work is agile and fast-paced and we rigorously measure the impact it has on the behavior of our users. If you want to build something new and operate it at scale
- come join us

What You'll Do
With the support of your team's tech lead and manager, you will break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work.
You will support the operations and availability of your team's artifacts by creating and monitoring metrics, escalating when needed, and supporting keep the lights on & on-call efforts.
What We Look ForYou have a total of 1.5+ years of experience as a software engineer.
You have experience designing, developing and launching backend systems and are proficient in one of Python or Kotlin.




You have experience shipping web apps using declarative UI frameworks like React or VueExperience developing and architecting mobile applications, preferably using declarative UI frameworks like React Native is a bonus.
You have mastered taking a simple problem or business scenario into a solution that interacts with multiple software components, and executing on it by writing clear, easily understood, well tested and extensible code.
You have strong verbal and written communication skills that support effective collaboration with our global engineering team.
Base pay is part of a total compensation package that may include monthly stipends for health, wellness and tech spending, and benefits (including 100% subsidized medical coverage, dental and vision for you and your dependents). Contract of EmploymentFlexible Spending Wallets for tech, food and lifestyleAway Days
- wellness days to take off work and rechargeEmployee Resource & Community GroupsLocationRemote SpainWe are able to offer visa sponsorship for this role, but do require that someone is based in Spain for the role.
Remote-first with flexibility built inaffirm is proud to be a remote-first company. Some positions may occasionally require in-person work at an affirm office, and a few are office-based due to the nature of the work. Adaptable time off and generous holiday calendars help you rest when you need to.
For positions based in San Francisco or Los Angeles: affirm considers qualified applicants with arrest and conviction records, as required by law. #

📌 Fullstack Software Engineer (Barcelona)
🏢 Affirm
📍 Barcelona