Senior Mobile Engineer - REMOTE (,, United States)Purpose • , , United States, US

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Senior Mobile Engineer - REMOTE (,, United States)

Purpose • , , United States, US

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WHAT WE'RE BUILDING

Purpose is creating the worlds first AI-powered personal-growth coachhelping people go from Im doing fine to I know who I am, what I care about, and how to live with clarity.

Co-founded by Mark Manson (20 M+ readers, The Subtle Art of Not Giving a F
) and Raj Singh (100M+ users on last AI product, acquired by Revinate).
Launching in a few months to Marks massive audience.
Blends personalized AI coaching, habit-building, and assessmentsfeels like a meaningful conversation, not an app.

WHY YOU'LL LOVE THIS ROLE

Shape the experience : own data flows, real-time APIs, and UI that make each coaching session feel like magic.

Iterate at speed : weekly feature drops, rapid experiments, instant user feedback.

Level-up daily : work shoulder-to-shoulder with founders whove shipped to hundreds of millions.

WHAT YOU'LL DO

Own the React Native mobile applead development, architecture, deployment (iOS + Android).

Architect & scale AWS serverless infra : Lambda, DynamoDB, S3, API Gateway, AppSync, SNS / SQS.

Build robust mobile-first APIs : sub-200 ms response times powering real-time features.

Ship growth levers : referrals, feature flags, A / B tests, pricing experiments.

Lead code reviews & set engineering standards that scale.

Optimize for viral growth : handle spikes from 10 K to 1 M+ concurrent users at launch.

YOU BRING

5+ yrs building consumer back-ends at 100 K+ MAU scale, plus proven mobile-app deployment.

React Native masterycomplex state mgmt, navigation, perf tuning.

End-to-end mobile deployment : App Store Connect, Google Play, Expo EAS, OTA updates, CI / CD.

AWS serverless : Lambda, DynamoDB, S3, API Gateway, AppSync, SNS, CloudWatch, CDK / Terraform.

Observability chops : OpenTelemetry, Datadog, Honeycomb, etc.

Track record integrating auth (Clerk / Auth0), payments (Stripe), analytics SDKs.

Scale-first mindsetdesign for 10 traffic growth without rewrites.

Quality championstrong code reviews, tests, docs.

BONUS POINTS

RAG / LLM pipeline experience, vector DBs.

React Native performance tuning (Hermes, Expo EAS).

Mobile CI / CD wizardry, automated testing.

SOC 2 Type II steering.

Real-time systems (WebSockets, SSE, GraphQL subscriptions).

PERKS

Unlimited PTO

Founder-led growth coaching

Best-on-planet tools

High-trust, high-velocity team

Salary : $80k $160k 0.0% 0.25%

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