Senior Software Engineer, Fullstack (Repayments UX)

Role overview Lead full-stack engineering for repayment experiences used at substantial scale, helping people make loan payments through reliable and transparent user journeys. You will own quarterly team outcomes, guide engineers through ambiguous problems, and contribute across planning, delivery, and ongoing operations. The team works across mobile, web, and backend systems and partners closely with product, design, and analytics.

Responsibilities - Set and deliver quarterly goals, support engineers through complex work, and keep delivery moving through uncertainty. - Collaborate with product, design, and analytics on ideas, technical constraints, risks, and trade-offs. - Identify project, process, technical, or business issues and lead efforts to address them. - Monitor operational metrics, escalate issues, and take part in service ownership and the on-call rotation. - Establish and improve design and code review practices, sharing standards through writing and technical talks. - Coach teammates through feedback and example, while supporting their growth.

Requirements - At least four years of experience developing and architecting mobile applications. - Experience building and shipping web applications with a declarative UI framework such as React or Vue. - Experience designing, developing, and launching backend systems; proficiency in Python or Kotlin. - Ability to plan delivery of substantial features with designs that are clear, extensible, and maintainable. - Confidence making significant changes in large codebases while using practices that keep changes safe. - Strong written and verbal communication, ownership, and willingness to seek feedback. - Willingness to participate in an on-call rotation.

Nice to have - Experience with mobile declarative UI frameworks such as React Native.

Benefits and work setup - Remote role for people based in Spain; visa sponsorship is available. - Annual base pay range of €86,000–€122,000, with potential equity rewards. - Benefits include health coverage, flexible spending for technology, food, and lifestyle, wellness days, learning programs, parental benefits, and employee community groups.