Freelance App Developer

Twine; United Kingdom; On-site; GBP 40,000 - 60,000; Part time

Job summary

A leading freelance marketplace is seeking a Freelance App Developer to create the EventEase mobile application for the events industry. The role includes designing user-friendly interfaces and secure payment integration. Ideal candidates should have proficiency in cross-platform frameworks and backend development, with an expected delivery timeline of 3 to 6 months. This remote position offers opportunities for ongoing collaboration post-launch.

Qualifications

• Proficiency in cross-platform frameworks or native app development.
• Strong knowledge of backend development and APIs.
• Experience with secure payment gateway integration.
• Understanding of database design and scalable architecture.
• Ability to ensure mobile optimization, reliability, and security.
• Excellent communication skills.

Responsibilities

• Design and develop the EventEase mobile application.
• Build user interfaces for service providers and clients.
• Implement functionality for service discovery and booking.
• Develop secure payment integration.
• Ensure responsive performance across devices.
• Integrate features for user profiles and service categories.
• Collaborate on defining scope and features.
• Provide technical documentation and support.

Skills

Cross-platform frameworks (Flutter, React Native)

Backend development and APIs

Secure payment gateway integration

Database design and scalable architecture

Mobile optimization and security

Excellent communication skills

Job description

Join to apply for the Freelance App Developer role at Twine

An entrepreneur based in Gaborone, Botswana is seeking an app developer to build a service provider application designed for the events industry. The app, titled EventEase, will connect event service providers with clients, streamlining the process of discovering, booking, and managing event services. The goal is to create a user-friendly, scalable, and reliable platform that can serve as a digital marketplace for event-related needs. This is a freelance, remote project with an expected delivery timeframe of 3 to 6 months, with the possibility of future development work after launch.

Responsibilities

• Design and develop the EventEase mobile application for iOS and Android.
• Build user interfaces for both service providers and clients with intuitive navigation.
• Implement functionality for service discovery, booking, and communication.
• Develop secure payment integration to handle bookings and transactions.
• Ensure responsive performance and smooth user experience across devices.
• Integrate features for user profiles, ratings, and service categories.
• Collaborate on defining scope, features, and timeline with the client.
• Provide technical documentation and support for post-launch iterations.

Skills and Requirements

• Proficiency in cross-platform frameworks such as Flutter or React Native, or native app development (Swift, Kotlin).
• Strong knowledge of backend development and APIs for app functionality.
• Experience with secure payment gateway integration.
• Understanding of database design and scalable architecture for service platforms.
• Ability to ensure mobile optimization, reliability, and security.
• Excellent communication skills and ability to advise on best practices and scope.
• Availability to deliver within a 3–6 month timeline, with potential for ongoing collaboration.

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

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

Seniority level

• Mid-Senior level

Employment type

• Contract

Industries

• Events Services