Responsibilities:

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.

Requirements:

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 Skills:

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).

📌 Senior Full-Stack Engineer (Pachuca de Soto)
🏢 Nir-yu
📍 Pachuca de Soto