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Freelance App Developer – Marketplace App

Twine

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Original Job Summary

Overview

This Freelance App Developer – Marketplace App role involves developing a user-driven mobile application designed to serve as a marketplace for buying and selling used horse and dog equipment in the Norwegian market.

Key Responsibilities

  • Design and develop a mobile app for iOS and Android.
  • Implement user registration, profile management, and secure authentication.
  • Build listing functionality with clear categories for horse and dog equipment.
  • Integrate payment processing and features for paid listing highlights.
  • Develop an admin dashboard for managing users, listings, and transactions.
  • Conduct testing and debugging to ensure stability and performance.

Requirements

  • Proven experience in mobile app development for both iOS and Android.
  • Proficiency in programming languages and frameworks such as React Native, Flutter, Swift, or Kotlin.
  • Experience with secure payment gateway integration.
  • Strong UI/UX design skills for an intuitive and visually appealing interface.
  • Familiarity with marketplace or e-commerce app development.
  • Excellent communication skills and ability to provide accurate project estimates.
  • Fluency in English; Norwegian language skills are 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 needing creative and tech expertise. Trusted globally, Twine empowers creators and businesses in an AI-driven, freelance-first world.

Key skills/competency

  • Mobile Development
  • iOS
  • Android
  • React Native
  • Flutter
  • UI/UX Design
  • Payment Integration
  • E-commerce
  • Admin Dashboard
  • Testing

How to Get Hired at Twine

🎯 Tips for Getting Hired

  • Customize your resume: Tailor it for mobile app roles.
  • Research Twine: Understand their freelance culture and projects.
  • Highlight relevant skills: Emphasize iOS, Android, and payment integration.
  • Prepare project estimates: Showcase clear milestone planning.
  • Practice technical interviews: Refresh mobile development technologies.

📝 Interview Preparation Advice

Technical Preparation

Review React Native and Flutter basics.
Practice integrating secure payment gateways.
Revisit iOS and Android SDK documentation.
Test app debugging and performance optimization.

Behavioral Questions

Describe past challenge resolution in app projects.
Explain collaboration with remote teams effectively.
Discuss handling milestone adjustments and feedback.
Share project management experiences in freelance roles.