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JOBS by allUP

Senior Software Engineer — React Native

JOBS by allUP, Jacksonville, Florida, United States, 32290

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Overview Senior React Native Engineer (Mobile UI/UX)

Join to apply for the Senior React Native Engineer (Mobile UI/UX) role at JOBS by allUP

This range is provided by JOBS by allUP. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Culver City, CA | Remote | Full time

Base pay range $80,000.00/yr - $160,000.00/yr

Additional compensation types Stock options

About our client Purpose

is creating the world\'s first AI-powered personal growth coach—helping people move from "I\'m doing fine" to "I know who I am, what I care about, and how to live with clarity." They are building the visual language of personal transformation.

The foundation is proven:

Co-founded by Mark Manson (20M+ readers, The Subtle Art of Not Giving a F***) and Raj Singh (100M+ users, last AI product acquired by Revinate)

Launching in Q4 2025 to Mark\'s established audience

Seed-stage startup with runway to build something meaningful

The Role: Mobile Development with Polish and Purpose This individual will be a key part of the mobile team building the React Native app that guides people through their personal growth journey. Purpose needs someone who cares deeply about creating smooth, polished mobile experiences—where every transition feels natural and every interaction delights users.

Build and enhance the React Native app with smooth animations and micro-interactions

Implement the AI avatar system with engaging, personality-driven animations

Create polished UI transitions: section expansions, modal presentations, gesture responses

Develop visual feedback systems that celebrate user progress and breakthroughs

Core technical work

Build robust real-time systems with streaming AI responses: WebSockets/SSE/GraphQL subscriptions handling queued/sending/streaming/complete/failed states

Optimize performance for long conversation threads: virtualization, memory profiling, 60fps consistency

Ship core user experiences: onboarding flows, conversation threads, search/export, weekly insights, privacy controls

Integrate seamlessly with backend: auth, billing, analytics, push notifications with offline sync

What They’re Looking For

4+ years shipping React Native apps with polished animations and smooth interactions

Strong experience with React Native Reanimated for transitions, Gestures, and micro-interactions

Proven ability to maintain 60fps performance and optimize memory usage for mobile apps

Portfolio showing attention to polish: smooth transitions, thoughtful loading states, delightful interactions

Real-time systems experience: WebSockets, Server-Sent Events, or GraphQL subscriptions for streaming data

TypeScript fluency with clean architecture patterns that scale

End-to-end ownership: App Store deployment, CI/CD pipelines, feature flags, rollout strategy

Mission alignment

Excitement about using animation to create delightful, engaging experiences that keep people motivated on their personal growth journey

Interest in how visual feedback affects behavior change and habit formation

Belief that thoughtful design can create a welcoming environment for personal reflection and self-discovery

Advanced React Native animation libraries: Lottie for vector animations, complex gesture handling

Expo EAS expertise and over-the-air update strategies

Backend familiarity: Node.js, serverless patterns, API design

Experience with character animations or avatar systems

Why This Opportunity Matters

Creative impact:

The mobile development work will be the first thing users see when they\'re exploring new insights, working toward goals, or celebrating progress. This isn’t just about building features—it’s about creating the digital experience that supports personal transformation.

Technical growth:

Opportunity to build the mobile architecture from the ground up as Purpose scales from hundreds to hundreds of thousands of users.

Purpose-driven impact:

This role shapes a product that genuinely improves people\'s lives—not optimizing ad revenue or engagement metrics, but building technology that helps people understand themselves and grow as individuals.

Early-stage ownership:

Direct input on technical decisions, architecture choices, and product direction as they build something meaningful from the ground up.

Meaningful work:

Every smooth interaction and thoughtful detail helps someone understand themselves better. This isn\'t just another productivity app.

Purpose is an equal opportunity employer committed to creating an inclusive environment where everyone can bring their authentic selves to work. They encourage applications from candidates of all backgrounds who share their mission of making personal growth accessible through thoughtful technology.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Software Engineering

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