Senior Mobile Engineer

Rain

. Develop, test, and deploy Rain and white-label mobile applications for thousands of users across the United States .

Posted 11/6/2026full-timeNew York City • New York • United StatesSenior💰 $195,000 - $215,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expert-level proficiency in React Native and TypeScript, with a strong ability to develop high-performance mobile applications and manage the full release lifecycle. Capable of collaborating effectively in cross-functional teams while maintaining code quality through testing and debugging.

Highest-signal resume keywords

React Native DevelopmentTypeScript/ES6+ ProficiencyMobile CI/CD WorkflowsUnit and Integration TestingSwift/Objective-C/Kotlin/Java Competency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

React NativeTypeScriptSwiftObjective-CKotlinJavaReanimatedJestReact Native Testing LibraryRESTful APIs

Soft Skills

CollaborationProblem-SolvingSelf-Motivation

Tools & Technologies

BitriseExpo/EASGitLabReact Native DebuggerChrome DevTools

Industry Keywords

Mobile DevelopmentApp Store ConnectGoogle Play StoreAI Coding AgentsCross-Functional Collaboration

Tech Stack

Tools & technologies

AndroidiOSJavaJestKotlinMobXObjective-CReactReact NativeReduxSwiftTypeScript

About the role

Key responsibilities & impact

Develop, test, and deploy Rain and white-label mobile applications for thousands of users across the United States
Develop high-performance mobile applications using React Native
Create and integrate native iOS and Android modules by bridging Swift/Objective-C and Kotlin/Java
Implement pixel-perfect UIs and performant animations using Reanimated and modern theming libraries
Architect data-handling patterns using RESTful APIs, React Query, and state management tools such as Redux, MobX, or Context API
Own the full release lifecycle, including App Store Connect, Google Play Store, and CI/CD pipelines via Bitrise, Expo/EAS, or GitLab
Collaborate with Product, Design, PMs, and backend engineers in a cross-functional environment
Use unit and integration testing to maintain code health and a stable user experience
Incorporate AI agents and prompt engineering into the development workflow
Navigate complex debugging sessions using React Native Debugger or Chrome DevTools

Requirements

What you’ll need

5+ years of professional mobile development experience
Expert-level knowledge of React Native fundamentals and lifecycle
Expert-level knowledge of TypeScript/ES6+
Significant experience with React
Proficiency with Reanimated
Competency in Swift, Objective-C, Kotlin, and/or Java
Hands-on experience with Jest and React Native Testing Library
Familiarity with mobile-specific CI/CD workflows and automated build tools
Ability to work with minimal supervision and own complex features from ideation to deployment
Experience with unit and integration testing
Experience using AI coding agents such as Cursor or Claude Code
Experience with React Native Debugger or Chrome DevTools
Legally authorized to work in the United States

Benefits

Comp & perks

Flexible PTO
Medical, Dental, Vision, Life, Disability coverage
Parental leave
Monthly stipend
Equity options