Senior Mobile Frontend Engineer (React Native)

Location: The Hague, Netherlands; hybrid working from home and the office

Competitive hourly rate depending on knowledge and experience.

Company

A major Dutch financial services organization supporting more than 18 million customers and transforming into a product-oriented technology company.

What you will do

• Build new mobile projects from scratch and expand or modernize existing applications.
• Develop and maintain customer-facing services and shared organizational services.
• Design, develop, and maintain reliable and scalable solutions with a multidisciplinary team.
• Contribute to a more technology-driven engineering culture.

Requirements

• 7+ years of experience building production-grade applications with React Native, React, and TypeScript.
• Experience designing and maintaining shared libraries or SDKs, including API design, versioning, and backward compatibility.
• Strong knowledge of mobile authentication and security, including biometrics, PIN/OTP flows, secure storage, and identity verification.
• Experience working across JavaScript and native iOS/Android platforms, including React Native bridge integrations.
• Strong software engineering practices covering testing, code quality, CI/CD, and reliable delivery in Agile teams.
• English is the main language in the technology departments.

Culture & Benefits

• Hybrid working with time split between home and the office.
• International working environment with knowledge sharing.
• 27 leave days and 3 Diversity Days.
• 13th-month payment and holiday allowance.
• NS Business Card.
• Six-month freelance engagement with a possibility of extension.