Martina Mattioli
Software Engineer
•Strasbourg, France (open to relocation)Senior Mobile Engineer with 5 years of experience building high-performance, scalable iOS and Android applications. Specialized in React Native and TypeScript across the full mobile SDLC, leading cross-functional teams, designing maintainable architectures, building CI/CD pipelines, and optimizing performance with a pragmatic balance of delivery speed and long-term quality. Graduated with a degree in Software Engineering.
Employment History
Global software consultancy delivering custom mobile and web solutions for startups and multinational clients.
Work highlights:
Led a cross-functional team of 5 and contributed hands-on to the Sandals & Beaches Resorts React Native app (100M+ downloads), owning architecture and release workflows (Expo EAS) and monitoring system performance with Datadog RUM to maintain a 99.979% crash-free rate while supporting ~256K daily views across mobile platforms.
Developed Papa John’s React Native app (10M+ downloads), including checkout and payment-related flows, delivering secure, high-traffic user journeys.
Delivered Almaya Life React Native MVP, integrating AI-powered chat and multimedia storage; supporting the company’s ~$2M Series A funding round. Improved key screen load times by ~40% through performance profiling and targeted refactors.
Built and maintained the Skopa fintech Flutter app, delivering KYC compliance and multi-currency payments while supporting $800K+ in transaction volume. Instrumented Sentry dashboards for crash visibility and stakeholder reporting, increasing metrics confidence by 30%.
Troubleshoot production issues across iOS and Android: investigated memory leaks, improved startup time, reduced bundle size, and triaged post-release crash spikes, including Swift/Kotlin fixes.
Implemented biometric authentication and strengthened data protection using secure storage and encryption patterns for sensitive user data and session credentials.
Improved delivery quality via automated testing (Jest) and mobile test tooling (Appium/LambdaTest).
Automated CI/CD pipelines by producing signed builds with Bitrise and Expo EAS and distributing via TestFlight/Firebase; shipped OTA updates (CodePush/EAS Update) for non-native fixes, significantly accelerating QA cycles and production delivery.
Applied scalable design patterns (modular architecture, reusable components, state isolation) to improve maintainability.
Contributed to team mentorship by supporting onboarding, pair programming, and PR feedback for 3 trainee/junior engineers.
Supported web delivery (React/Next.js) and assisted with Node.js backend tasks when needed, collaborating on API integration to ship features end to end.