Sierra

Full Stack Engineer – Mobile-first

Sierra

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇧🇷 Brazil

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Salary

💰 $60,000 - $90,000 per year

Job Level

Mid-LevelSenior

Tech Stack

AndroidiOSJavaScriptNode.jsReactReact NativeTypeScript

About the role

  • Build and improve mobile app features – Create polished, performant UI components and screens that users love from scratch
  • Own features end-to-end – Take a feature from design to shipped, including any necessary API changes
  • Extend backend APIs – Add endpoints or modify existing ones to support new mobile features
  • Write tests – Maintain code quality with unit and integration tests
  • Implement responsive designs – Build interfaces that work beautifully across all device sizes
  • Collaborate with design – Work closely with designers to bring mockups to life with attention to detail
  • Deep linking – from social platforms (Instagram, TikTok) → app → offer activation
  • Push notifications – for reward milestones and transaction updates
  • Authentication flows – with biometric support
  • Offline-first architecture with sync
  • Mobile-optimized reward discovery and redemption flows
  • App store deployment (TestFlight, Google Play)

Requirements

  • 4+ years building production applications
  • Mobile development experience (React Native/Expo preferred OR native iOS/Android)
  • Strong TypeScript/JavaScript proficiency
  • Experience with deep linking (Universal Links, App Links, deferred deep links)
  • Third-party API integration experience (OAuth, webhooks, REST)
  • App store deployment experience (TestFlight, Google Play)
  • Node.js backend familiarity (for API integration work)
  • Understanding of mobile-specific patterns (push notifications, offline sync, secure storage)
Benefits
  • Four weeks PTO per year plus all national holidays
  • Fully remote position with flexible work arrangements
  • Equity packages available as the company moves from pre-seed to seed stage

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
mobile developmentReact NativeExponative iOSnative AndroidTypeScriptJavaScriptdeep linkingAPI integrationNode.js
Soft skills
collaborationattention to detail