Senior Mobile Developer

Tel-Aviv, Israel

About The Position

Cyrus is building a direct-to-consumer personal cybersecurity & privacy platform that protects our customers from identity theft, fraud, and cybercrime. Our customers are able to take meaningful actions to better protect themselves from these threats and get world-class expert support if anything happens.

We’re backed by leading VC funds and prominent private investors who share our vision & conviction. Still, in stealth mode, we’re looking for the best talent out there to join our team in shaping the future of personal cybersecurity

Cyrus Security is seeking an experienced Front End/Mobile Developer with a can-do approach to be one of the first hires in our engineering team. We are looking for a team player who’s curious, interested in creating a seamless mobile experience for our users, and a self-learning technologist with a passion for solving problems.

For you, this would be an amazing opportunity to work with a great team in a modern development environment and take part in solving a huge global problem.


  • Work with our PM and design team to deliver an innovative mobile experience.
  • Build a pixel-perfect slick UI across both mobile platforms.
  • Maintain code and write automated tests to ensure the product is of the highest quality.
  • Leverage native APIs for deep integrations with both platforms.
  • Integrate and utilize analytics tools to diagnose performance and user activity.
  • Balance speed and quality, with a focus on tangible results.‍


  • 5+ years experience with JavaScript.
  • 2+ years with ReactJS.
  • Strong iOS and Android mobile development experience using React Native.
  • Led technical design decisions on mobile applications.
  • Implemented complex client-side logic.
  • Understand API services and infrastructure.


  • Proficiency in UX principles.
  • Expertise in testing methodologies (Unit-testing, TDD, mocking).
  • Experience in native development (Android/iOS).
  • Contribution to open-source projects.

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