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Location
Remote (Argentina, ET hours)
Seniority
Senior · 8+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 12, 2026. First seen by Alion on Nov 12, 2026. Ryz Labs scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Ryz Labs is a nearshore staff augmentation company that places Latin American software engineers, data and machine learning specialists, sales, operations, customer support and accounting professionals on teams of mainly US clients. Most of its talent is based in Argentina, with Buenos Aires as its largest hiring location. The company is headquartered in San Francisco, California, United States.

At RyzLabs, we are looking for a Senior Mobile Engineer with strong experience in React Native to join our client's engineering team and contribute to the development and expansion of a mobile-first SaaS platform.

In this role, you will focus on building and delivering high-quality mobile features for iOS and Android applications. You will work closely with an established platform engineering team, integrating the mobile application with existing backend APIs and helping drive the product's mobile development roadmap.

In this role, you'll be working with teams across US Eastern Time business hours.

Responsibilities

  • Design, develop, and maintain mobile application features using React Native.
  • Build and deliver high-quality solutions for both iOS and Android platforms.
  • Integrate mobile applications with existing REST APIs and backend services.
  • Collaborate closely with the platform engineering team to ensure seamless integration between mobile and backend systems.
  • Manage application state and ensure a consistent user experience across platforms.
  • Own mobile build, testing, and release processes.
  • Participate in code reviews and contribute to engineering best practices.
  • Write and maintain automated tests to ensure application quality and reliability.
  • Troubleshoot issues, monitor application performance, and contribute to continuous improvements.
  • Participate in Agile ceremonies, sprint planning, and sprint reviews.
  • Demonstrate completed work during sprint showcases.
  • Maintain appropriate technical documentation and follow established development standards.

Requirements

  • 8+ years of overall software engineering experience.
  • 3+ years of hands-on experience developing production applications with React Native.
  • Strong proficiency in TypeScript and JavaScript.
  • Experience developing and releasing applications for both iOS and Android.
  • Familiarity with App Store and Google Play deployment processes.
  • Experience integrating REST APIs into mobile applications.
  • Knowledge of mobile state management solutions.
  • Proficiency with Git and CI/CD workflows.
  • Experience with mobile testing and debugging.
  • Strong problem-solving skills and ability to work independently.
  • Excellent communication and collaboration skills.
  • Ability to work with teams across US Eastern Time business hours.

Nice to Have

  • Experience working with native mobile modules using Swift or Kotlin.
  • Knowledge of offline data management and synchronization.
  • Experience with mobile test automation.
  • Familiarity with mobile security practices and secure data storage.
  • Experience with crash reporting, performance monitoring, and analytics tools.
  • Previous experience working with regulated software environments, particularly FDA 21 CFR Part 11, GxP, data integrity, change control, and audit trails.
  • Familiarity with software development lifecycle (SDLC) traceability and quality management systems.
  • Background in life sciences, healthcare technology, or quality management SaaS.
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