Job title: Principal Engineer – Client Platform (React Native)
- Milan

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Location:
Milan (3 days onsite) Employment type: Permanent We're currently partnering with a global fintech company looking for a Principal Engineer to join their Client Platform team with a strong focus on React Native and mobile platform architecture. This role is focused on improving scalability, tooling, architecture, and CI/CD across a large mobile app ecosystem. You'll work on core platform capabilities used across multiple teams, helping improve developer experience, performance, stability, and long-term maintainability.

Key responsibilities





Own and evolve core parts of the React Native client platform Lead large-scale technical initiatives across mobile platform and frontend infrastructure Improve tooling, CI/CD, app architecture, scalability, and developer experience Work closely with JavaScript/TypeScript, frontend build tooling, and native iOS/Android integrations Mentor engineers and help drive technical best practices across teams Key

skills:

Strong React Native experience JavaScript xcldrub & TypeScript React Native internals Frontend build tooling (Babel / Metro / Webpack) CI/CD pipelines Experience working on large-scale mobile applications Collaboration with iOS & Android teams Platform/infrastructure-focused mindset AWS fundamentals Node.js / Express exposure

📌 Principal Engineer – Client Platform (Italia)
🏢 Arcus Search
📍 Italia