CareerPlan

Senior Software Engineer, Fullstack (Repayments UX)

Remote PolandRemoteFull-time$32k–$48k2026-10-27 → 2026-11-10

Core

Senior Full-Stack Engineer owning the Repayment UX journey for over 20 million users, building and operating scalable web and mobile systems for consumer finance.

Role type

Senior IC Full-Stack Software Engineer (Repayments UX)

Builds

Repayment user journeys, web apps, and mobile applications for loan repayment

Domain

Consumer Finance / Fintech

Required skills

React Native, React, Vue, Python, Kotlin, Mobile App Architecture, Web App Development, Backend Systems Design, Technical Planning, Codebase Refactoring, Tooling Development

Preferred skills

Declarative UI frameworks, Large codebase management, Team leadership, Code review standards

Technologies

React Native, React, Vue, Python, Kotlin

Responsibilities

Lead engineers through ambiguity to solve open-ended problems, collaborate with product/design/analytics on ideation and technical constraints, identify and solve project/process/technology issues, monitor team artifacts and support on-call efforts, set code review and design standards, develop talent through feedback and guidance

Seniority

Senior, hands-on IC with leadership responsibilities