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Senior Mobile Engineer

Siro· Engineering
Apply on company site
New York$200k - $220kFull-timePosted 5mo ago

About the role

Senior Mobile Engineer responsible for developing and maintaining the React Native mobile app across iOS and Android, delivering end-to-end features, and improving the mobile codebase with a focus on performance, security, and maintainability.

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, with an eye toward performance, stability, and long-term maintainability.
  • Uphold code quality through reviews, testing, documentation, and collaboration with fellow engineers.
  • Ensure application performance, reliability, and security standards are consistently met.
  • Contribute to continuous improvement of our engineering practices and mobile development processes.
  • Stay updated with emerging best practices in mobile and React Native development, and introduce improvements where beneficial.

Qualifications

  • deep expertise in React Native (6+ years of experience, with multiple meaningful production deployments).
  • hands-on experience maintaining and scaling existing React Native applications, not just greenfield builds.
  • comfortable working in Swift and/or Kotlin when needed to extend or augment React Native functionality (supplementary/native skill, not primary focus).
  • experience leading technical initiatives, owning projects, and working with high performing engineering teams.
  • well-versed in mobile engineering best practices, including performance optimization, security, testing, and release management.
  • experience creating and implementing Git-based workflows and CI/CD pipelines for mobile app releases.
  • strong problem-solving and communication skills, and ability to clearly articulate tradeoffs and technical decisions.
Last updated Aug 19, 2026. Interested? Apply on the company site.

About Siro

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Siro’s AI records and analyzes in-person sales conversations to surface coaching insights that help your team close more deals and uncover hidden revenue.

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