8h ago

Senior App Engineer

London

$130k-$180k / yearest.

full-timesenior Hybrideducation

🛠 Tech Stack

💼 About This Role

You'll build high-quality, scalable features for Preply's mobile apps using React Native, delivering them through an A/B experimentation framework. You'll work closely with product, design, and learning teams to turn learning science into engaging product experiences. This role offers the chance to define how AI and human expertise combine to accelerate learning at a company used by millions.

🎯 What You'll Do

  • Build high-quality features for mobile apps using React Native.
  • Deliver features through an A/B experimentation framework.
  • Own features end-to-end from prototype to production.
  • Write clean, maintainable, well-tested code and perform code reviews.

📋 Requirements

  • 5+ years in mobile development with React Native.
  • Strong proficiency in JavaScript/TypeScript.
  • Experience with Reanimated, Skia, Apollo Client, Expo, and React Navigation.
  • Solid testing experience (unit and e2e) and familiarity with CI/CD workflows.

✨ Nice to Have

  • Familiarity with agile development.
  • Experience building and shipping products end-to-end including monitoring.
  • Clear communication skills and collaborative mindset.

🎁 Benefits & Perks

  • 📚 Monthly lesson allowance on Preply.com
  • 💰 Competitive financial package with equity
  • 🏖️ Leave allowance and health insurance
  • 🧠 Free mental health support platforms
  • 📖 Learning & Development budget
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