Principal Engineer – Client Platform (React Native) - Milan

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

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
• Mentor engineers and help drive technical best practices across teams
• Frontend build tooling (Babel / Metro / Webpack)
• Experience working on large-scale mobile applications
• Collaboration with iOS & Android teams

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