Frontend Software Development Engineer

About the role

App Platform Engineering builds and maintains the foundational mobile and web platform that all Remitly product teams build on top of. We own the architecture, shared frameworks, build and release infrastructure, design system, and developer tooling. These let product teams ship faster and with higher quality. This also eliminate the need for product teams to solve the same hard problems twice. As a software development engineer you will report to senior engineering manager in Krakow and work with peer team based in Poland and U.S. You Will: Own the architecture and evolution of our mobile and web platform - decisions that 20+ product teams depend on Contribute to design and implementation of future client apps architecture Lead the shared component library, design system, a11y and localisation engine - partnering with UX to set standards for performance, accessibility, and observability Enable product teams through documentation, tooling, and architecture reviews - and help the team stay current on React Native and AI-assisted development Build and maintain CI/CD pipelines, feature flagging, and safe rollout infrastructure - from pipeline design to app store delivery Mentor junior engineers and uphold quality standards, including regulatory compliance You'll bring: BS/MS in Computer Science or equivalent experience, with 4+ years building products at scale Proficiency in TypeScript and modern frontend frameworks - React or React Native Proficiency in CI/CD tools (Jenkins, GitLab, or similar). Hands-on experience owning the full mobile or web release lifecycle - from pipeline design to safe app store delivery Experience designing the data layer between backend services and client apps - GraphQL, BFF patterns, or similar API contracts that keep frontends decoupled. Exposure to design systems at scale - building components that product teams actually adopt.