Contact person: Freelance Backend Developer (Ionic Mobile App + AI Integration) – Individuals Only

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Location: Singapore, Singapore

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"We are seeking an independent backend developer (no agencies) to work on a project basis for a cross-platform mobile app built using Ionic Framework.
The app will include a calorie counter and AI-powered tools (OpenAI or other LLM integrations) for nutrition and wellness tracking.

You will work directly with our in-house frontend developer and product lead to create a secure, scalable backend that powers the app’s features.

Scope of Work
Backend Architecture: Design, develop, and deploy backend systems for user accounts, calorie tracking, data storage, and analytics.

API Development: Build secure RESTful or GraphQL APIs for seamless integration with the Ionic frontend.

AI Integration: Implement AI/LLM features such as nutrition chatbots, food recognition, and personalized suggestions.

Database & Authentication: Set up and manage databases, user authentication, and secure data handling.

Cloud Deployment: Deploy and maintain backend on AWS, GCP, or Azure environments.

Required Skills
Strong backend development skills with Node.js, Django, Laravel, or similar frameworks.

Proven experience building APIs for Ionic or other mobile app frameworks.

Database expertise (MySQL, PostgreSQL, MongoDB, etc.).

Familiarity with AI API integrations (OpenAI, Anthropic, or similar).

Experience with cloud hosting, containerization (Docker), and backend security best practices.

Nice to Have
Experience with health, fitness, or nutrition-related apps.

Knowledge of image recognition APIs for food logging.

Understanding of data privacy requirements for wellness/health applications.


Proposal Submission
Only Proposals that provide the following information will receive a response

1. Please provide a link to your GitHub/code portfolio or past development projects. If part of a team, clarify your individual contribution. (Mandatory)

2. Please provide a link to past work you have done

3. Please provide a link to your professional background

If shortlisted you would be assigned a small project first before we offer long term offers.

Thank you" (client-provided description)