Software Engineer, Mobile

NOUS RESEARCH

$120K — $145K *
Consumer Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of software engineering experience with a focus on mobile.
  • Experience in developing and maintaining production iOS and/or Android apps.
  • Proficiency in native mobile development (Swift, Kotlin) and experience with React Native or similar.
  • Understanding of backend development to build necessary APIs.
  • Strong product intuition regarding mobile app aesthetics and usability.
  • Ability to manage features from inception to completion in a dynamic setting.

Responsibilities

  • Build and manage the Hermes Agent mobile applications for iOS and Android.
  • Create seamless user experiences with offline support and efficient resource use.
  • Develop across the mobile stack, balancing native and cross-platform solutions.
  • Collaborate with Product and Design to implement features based on user data.
  • Manage app store processes including releases and version control.
  • Ensure a consistent experience across mobile and desktop platforms.
  • Implement automated tests to maintain reliability across devices.

Benefits

  • Collaborative environment focused on innovation and impact.
  • Opportunities for professional growth within a cutting-edge technology team.
  • Access to the latest tools and technologies in mobile development.
  • Flexible work arrangements and a balanced work-life approach.
Full Job Description
Join the Product team building Hermes Agent on mobile. This role owns the phone experience end to end: the native iOS and Android apps, the shared cross-platform layer behind them, and the backend work that makes the agent feel fast and reliable in your pocket.

Responsibilities:
  • Build and own the Hermes Agent mobile apps on iOS and Android, from UI down to the APIs that feed them.
  • Ship native-quality experiences: smooth interaction, offline resilience, push notifications, and responsible battery and data use.
  • Work across the mobile stack, from Swift/Kotlin where it counts to a cross-platform layer (React Native or similar) where it speeds us up, and help decide where each fits.
  • Partner closely with Product and Design to turn ideas into polished mobile features, then iterate on real usage data.
  • Handle the app-store realities: release pipelines, review processes, versioning, and staged rollouts.
  • Keep the mobile experience consistent with desktop and web without flattening what makes each platform good.
  • Build automated testing that keeps releases reliable across devices and OS versions.
  • Work with Research and AI teams to bring new model capabilities into the mobile app.

Qualifications:
  • 5+ years of software engineering experience with a strong focus on mobile.
  • Shipped and maintained production iOS and/or Android apps that real people use.
  • Strong with native mobile development (Swift, Kotlin, or both) and comfortable with a cross-platform framework like React Native.
  • Solid backend and API sense: you can build the endpoints your app needs, not just consume them. TypeScript/Node.js or Python experience is a plus.
  • Real product intuition and a high bar for how a mobile app should look and feel.
  • Comfortable owning features end to end in a fast-moving environment.

Preferred:
  • Experience with app-store submission, review, and release management on both platforms.
  • Familiarity with offline-first architecture, local storage, and sync.
  • Interest in AI agents and open-source software; bonus if you've used Hermes Agent yourself.
  • Experience integrating with LLM or streaming APIs on mobile.


HOW TO APPLY

Email [email protected] with the following information:
  • In the Subject: The role you are applying for
  • Resume/CV
  • Cover Letter
  • A portfolio showcasing your work (e.g., GitHub Account)

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