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Freelance App Developer – Marketplace App

Twine

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Original Job Summary

Freelance App Developer – Marketplace App

This role involves developing a mobile marketplace app for buying and selling used horse and dog equipment in the Norwegian market. The app will be developed for both iOS and Android and include essential functionalities like user registration, secure authentication, and category-based listings.

Deliverables

  • Design and develop mobile application for iOS and Android
  • Implement user registration, profile management, and secure authentication
  • Build listing functionality with clear categories and subcategories
  • Integrate payment processing and paid listing highlights
  • Develop an admin dashboard for managing users, listings, and transactions
  • Conduct testing and debugging for stability and performance
  • Provide project milestone estimates

Requirements

  • Proven experience in mobile app development (iOS and Android)
  • Proficiency in React Native, Flutter, Swift, Kotlin
  • Experience with secure payment integrations and in-app transactions
  • Strong UI/UX design skills and intuitive interface design
  • Familiarity with marketplace/e-commerce app development
  • Excellent communication and accurate project estimation
  • Fluency in English with Norwegian as a plus
  • Experience with Nordic region clients is advantageous

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies in need of creative and tech expertise. Trusted by Fortune 500 companies and innovative startups, Twine supports global team scaling.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

Key skills/competency

  • Mobile Development
  • Marketplace
  • iOS
  • Android
  • React Native
  • Flutter
  • UI/UX
  • Payment Integration
  • Admin Dashboard
  • Project Estimation

How to Get Hired at Twine

🎯 Tips for Getting Hired

  • Research Twine's culture: Review mission, values, and client success stories.
  • Customize your resume: Highlight mobile app and payment integration experience.
  • Showcase your portfolio: Present previous marketplace app projects.
  • Prepare for interviews: Brush up on secure authentication and UI/UX skills.

📝 Interview Preparation Advice

Technical Preparation

Review mobile frameworks and coding challenges.
Practice secure authentication integration tests.
Familiarize with payment API documentation.
Simulate UI/UX design problem-solving scenarios.

Behavioral Questions

Describe a tough project challenge handled.
Explain managing deadlines under pressure.
Share experiences working with diverse teams.
Discuss adapting to user feedback swiftly.