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# Senior React Engineer in United

- **Company:** Energy Jobline
- **Location:** United, WV, United States (Remote available)
- **Experience:** Expert
- **Salary:** $140,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Android Software Development, Apple IOS, Application Integration Architecture, Automation of Tests, Computer Networks, Memory Management, Software Engineering, Data Streaming, Systems Integration, TypeScript, User Interface Testing, Management of Software Versions, WebSocket, ReactJS, Kotlin
- **Published:** October 2, 2026
- **Apply:** https://www.energyjobline.com/job/senior-react-engineer-united-31827923

## About the Role

* 5+ years of professional software engineering experience, including shipping production React applications
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 * Deep proficiency in React, React , JavaScript, and TypeScript
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 * Strong understanding of React architecture, including component design, rendering, state management, and the bridge/JSI/ layers
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 * Professional experience developing for both iOS and Android
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 * Experience building SDKs, libraries, frameworks, or other developer-facing platforms is strongly
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 * Experience writing modules or integrating React with Swift/Objective-C and/or Kotlin/Java
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 * Experience integrating applications with REST, WebSocket, and similar real-time APIs
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 * Strong understanding of mobile performance, including rendering, memory management, network efficiency, and startup time
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 * Experience designing developer-facing APIs and documentation
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 * Experience with video, streaming, or interactive media applications is a plus

## Description

n
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 * Owning the architecture and development of the React SDK, establishing patterns and technical foundations that scale across customers and products
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 * Designing and building reusable, developer-friendly SDK components and APIs
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 * Working across the React and mobile layers, developing integrations with iOS and Android platform capabilities
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 * Building high-performance interactive experiences that combine video, UI, data, and real-time interactions
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 * Designing solutions for challenging mobile constraints including rendering performance, memory usage, network conditions, and device fragmentation
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 * Investigating and resolving complex issues across the React , JavaScript, and iOS/Android layers
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 * Establishing and maintaining automated testing strategies across unit, integration, and UI testing
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 * Owning features through the full development lifecycle, from technical design through release, documentation, and post-release support
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 * Contributing to SDK versioning, release processes, and backwards compatibility
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 * Participating in on-call rotation and contributing to incident response
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