AI Chat Service Development (MVP) – Paid Membership + Anime Avatar + Voice
Budget: $750 – $1,500 USD
Project Overview
==============
We are looking for an experienced full-stack developer to develop a paid membership AI chat service.
The platform will allow users to have 1-on-1 conversations with animated characters (anime avatars), including voice responses.
We would like to start with a small-scale MVP and expand in future phases.
Project Goals
============
Build a subscription-based AI chat service
Enable users to chat with character-based AI
Include voice response functionality
Launch as a beta (MVP) version first
Target Audience
==============
Users aged 20+
Japanese market
Adult-oriented content included
Required MVP Features
====================
1-on-1 AI chat system
Conversation history storage
Monthly subscription payment (e.g., Stripe)
4 characters (2 male, 2 female)
Admin dashboard (user management, logs, suspension control)
Anime-style avatar integration (Live2D or similar)
Voice response generation (TTS integration)
Avatar Requirements
----------------------------------
4 characters total (2 male, 2 female)
Bust-up illustration (front-facing)
3 facial expressions (smile / normal / shy)
Live2D modeling including:
Blinking
Lip-sync (basic open/close or vowel-based)
Slight head tilt
Simple expression switching
Minimal physics simulation
Style:
Friendly
Soft personality
No excessive exposure
General audience design
Expected Scale
Budget & Timeline
===============
Target MVP budget: Around $800 – $1,000 USD
Estimated development time: 4 weeks
Ideal Candidate
=============
Strong experience with LLM APIs (OpenAI, Claude, etc.)
Experience building AI chat systems
Experience with subscription payment systems
Experience with Live2D or avatar-based systems preferred
Strong backend + frontend development skills
And if you also know about the Japanese and its culture, it can be plus point for us.
If you have prior experience building AI-powered chat services, especially character-based or subscription-based platforms, please share your portfolio and proposed technical approach.
We look forward to working together.
==============
We are looking for an experienced full-stack developer to develop a paid membership AI chat service.
The platform will allow users to have 1-on-1 conversations with animated characters (anime avatars), including voice responses.
We would like to start with a small-scale MVP and expand in future phases.
Project Goals
============
Build a subscription-based AI chat service
Enable users to chat with character-based AI
Include voice response functionality
Launch as a beta (MVP) version first
Target Audience
==============
Users aged 20+
Japanese market
Adult-oriented content included
Required MVP Features
====================
1-on-1 AI chat system
Conversation history storage
Monthly subscription payment (e.g., Stripe)
4 characters (2 male, 2 female)
Admin dashboard (user management, logs, suspension control)
Anime-style avatar integration (Live2D or similar)
Voice response generation (TTS integration)
Avatar Requirements
----------------------------------
4 characters total (2 male, 2 female)
Bust-up illustration (front-facing)
3 facial expressions (smile / normal / shy)
Live2D modeling including:
Blinking
Lip-sync (basic open/close or vowel-based)
Slight head tilt
Simple expression switching
Minimal physics simulation
Style:
Friendly
Soft personality
No excessive exposure
General audience design
Expected Scale
Budget & Timeline
===============
Target MVP budget: Around $800 – $1,000 USD
Estimated development time: 4 weeks
Ideal Candidate
=============
Strong experience with LLM APIs (OpenAI, Claude, etc.)
Experience building AI chat systems
Experience with subscription payment systems
Experience with Live2D or avatar-based systems preferred
Strong backend + frontend development skills
And if you also know about the Japanese and its culture, it can be plus point for us.
If you have prior experience building AI-powered chat services, especially character-based or subscription-based platforms, please share your portfolio and proposed technical approach.
We look forward to working together.