App Developer – Freelance

This role is focused on developing a professional, mobile-responsive property surveying app for an independent UK-based damp and mould surveyor. The app will be built using Bubble.io and no-code tools, designed as a progressive web app for field surveyors conducting property inspections. The project requires a clean, intuitive interface inspired by leading property survey apps, with robust offline capabilities and secure data management. The developer will collaborate closely with the client, delivering milestones and incorporating iterative feedback throughout the 6-8 week timeline. There is potential for ongoing work or SaaS product development based on project outcomes.

Responsibilities

- Design and develop a progressive web app using Bubble.io and no-code platforms

- Implement a survey creation workflow tailored for property inspections

- Integrate GPS-tagged photo capture and voice note functionality

- Incorporate AI-powered defect detection using OpenAI and Google Vision APIs

- Enable automated report generation and Google Maps location services

- Ensure secure data management and offline functionality for field use

- Deliver a fully functional, mobile-responsive app with a professional UI/UX

- Collaborate on milestones, provide regular updates, and iterate based on feedback

- Reference and draw inspiration from leading property survey and inspection apps

Skills and Requirements

- Proven expertise in Bubble.io and no-code application development

- Strong experience with API integration (OpenAI, Google Vision, Google Maps)

- Demonstrated ability to design mobile-responsive, professional user interfaces

- Knowledge of secure data management and offline app capabilities

- Experience developing apps for field professionals or property surveyors is highly desirable

- Excellent problem-solving skills and attention to detail

- Ability to work independently and communicate progress effectively

- Availability to deliver within a 6-8 week project timeline

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.