Senior Mobile Front-End Engineer, AI Conversational UI (RN)

Socket.dev; Bellevue (WA); On-site; USD 168,000 - 227,000; Full time

Job summary

Socket.dev is seeking a Senior Front-End Mobile Engineer to craft the mobile experience for Aza on iOS and Android using React Native. You will own high-fidelity conversational UI, voice features, and cross-platform performance, collaborating closely with designers to ship polished mobile apps.

The role covers UI-thread animations, native module work, and end-to-end mobile delivery, including testing, CI/CD and accessibility, across multiple languages and regions.

Qualifications

• 4+ years of non-internship professional front-end development using JavaScript, HTML and CSS experience
• 5+ years of front-end development creating prototypes or wireframes for enterprise web apps or workflows
• Experience with MVC/MVM frameworks (React.JS, AngularJS, Vue)
• Bachelor's degree in Computer Science or related technical degree or experience
• 4+ years of UI Automation (mobile) experience
• Experience with React Native's New Architecture (Fabric, TurboModules) and leading major RN version upgrades
• Proficiency with native mobile tooling: Xcode, CocoaPods, Gradle, code signing, and distribution (TestFlight)
• Experience writing unit and component tests for UI code (Jest, RN Testing Library)

Responsibilities

• Build and own the mobile experience for Aza across iOS and Android using React Native
• Implement complex UI animations and gestures using Reanimated, gestures, navigation, and physics
• Build conversational UI components: streaming, markdown rendering, autoscroll, prompts
• Implement voice interaction features: live visualizers, mic/session state, wake-word handling, text-to-speech with Amazon Nova/Polly
• Integrate real-time features: Bedrock streaming, connection recovery, long-lived sessions
• Contribute to shared component library and design-token system across products
• Implement multi-brand theming across a single codebase
• Manage keyboard, safe-area, and bottom-sheet interactions on UI thread
• Drive RN version upgrades and New Architecture adoption for performance
• Ensure accessibility (WCAG) including dynamic type and focus order
• Internationalization/localization across 8+ languages including RTL layouts
• Create feature-flagged rollout workflows with gating and staged launches
• Collaborate with product designers in Figma and provide implementation insight
• Write unit tests and contribute to CI/CD pipelines using AWS CDK or equivalent
• Practice secure client engineering and maintain supply-chain hygiene
• Mentor other front-end engineers through code reviews

Skills

React Native

JavaScript

Mobile UI

UI Automation

Education

Bachelor's degree in Computer Science

Master's degree (preferred)

Tools

Xcode

CocoaPods

Gradle

TestFlight

Job description

Socket.dev is seeking a Senior Front-End Mobile Engineer to craft the mobile experience for Aza on iOS and Android using React Native. You will own high-fidelity conversational UI, voice features, and cross-platform performance, collaborating closely with designers to ship polished mobile apps.

The role covers UI-thread animations, native module work, and end-to-end mobile delivery, including testing, CI/CD and accessibility, across multiple languages and regions.