Senior Software Development Engineer (App Platform)

Remitly Poland sp. z o.o. is a company focused on providing secure, simple, and reliable global money transfer services since 2011. The company has over 2,800 employees worldwide and aims to transform lives with trusted financial services that transcend borders.

• BS in Computer Science or equivalent experience, with 8+ years building products at scale.
• Proficiency in TypeScript (preferred) and at least one of Go, Java, or Kotlin.
• Familiarity with PHP is a bonus.
• Experience building platforms from the ground up including frameworks, shared tooling, quality gates, and CI/CD pipelines.
• Deep React Native knowledge including performance constraints, native bridge, OS-level differences, and production issues.
• Hands-on experience owning the full mobile and web release lifecycle from pipeline design to safe app store delivery.
• Experience designing the data layer between backend services and client apps using GraphQL, BFF patterns, or similar API contracts.
• Exposure to design systems at scale, building components adopted by product teams balancing flexibility with consistency.
• Proven track record of onboarding teams onto platforms with good documentation, well-designed APIs, and making the right thing easy.
• Informed opinions across the full client app spectrum from full native to PWA with clear understanding of strengths and weaknesses.

App Platform Engineering:

• Own the architecture and evolution of the mobile (React Native) and web platform used by 10+ product teams.
• Build and maintain CI/CD pipelines, app store delivery, feature flagging, and safe rollout infrastructure.
• Design and maintain the API/middleware layer between backend services and client apps.
• Lead the shared component library and design system in partnership with UX.
• Manage the localisation engine.
• Set and enforce standards for performance, observability, and accessibility.
• Enable product teams through documentation, tooling, workshops, and architecture reviews.
• Keep the team current on AI-assisted development, React Native advances, and cross-platform patterns.
• Review cross-team contributions for consistency, performance, and maintainability.
• Ensure compliance with industry standards and regulatory requirements.
• Mentor junior engineers.