Senior Mobile Engineer

About the Company

Siro is redefining how field sales teams learn, perform, and win. We are building an intelligent companion that automates sales reps’ tedious admin work, gives managers real-time visibility, and helps executives see around corners. Backed by $75M from investors like Index and CRV, we are building the future of human-AI collaboration in sales.

Responsibilities

• Contribute to the development, improvement, and long-term architecture of our React Native mobile application across iOS and Android
• Own core feature delivery end-to-end in React Native, from technical design to implementation and release
• Collaborate closely with product, design, and backend teams to translate requirements into reliable, scalable app experiences
• Maintain, refine, and modernize our existing React Native codebase
• Uphold code quality through reviews, testing, documentation, and collaboration
• Ensure application performance, reliability, and security standards are met
• Contribute to continuous improvement of engineering practices and mobile development processes

Requirements

• 6+ years of experience in React Native with multiple production deployments
• Hands-on experience maintaining and scaling existing React Native applications
• Proficiency in Swift and/or Kotlin for extending React Native functionality
• Demonstrated experience leading technical initiatives and owning projects
• Knowledge of mobile engineering best practices including performance, security, and testing
• Experience implementing Git-based workflows and CI/CD pipelines for mobile releases
• Strong problem-solving and communication skills