Senior Mobile Engineer
Allup
Software Engineering
Chicago, IL, USA
USD 80k-160k / year + Equity
Posted on Sep 9, 2025
Culver City, CA | Remote | Full time
About our client
Purpose is creating the world’s first AI-powered personal-growth coach—helping people go from “I’m 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 Mark’s massive audience.
- Blends personalized AI coaching, habit-building, and assessments—feels 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 who’ve shipped to hundreds of millions.
🛠️ WHAT YOU'LL DO
- Own the React Native mobile app—lead 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'LL BRING
- 5+ yrs building consumer back-ends at 100 K+ MAU scale, plus proven mobile-app deployment.
- React Native mastery—complex 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 mindset—design for 10× traffic growth without rewrites.
- Quality champion—strong 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%