Multi-End Development | High Concurrency Support | 3-Month After-Sales | In-Depth Design

The Professional Package is designed for growing businesses with **complex workflows, multi-end integration, and high concurrency needs**. Unlike the Basic Package (lightweight), it covers end-to-end customization: supports multi-end development (APP/Mini Program/admin backend), no core module limits, includes high-fidelity UI/UX design and complete tech solutions, and integrates up to 3 third-party systems (e.g., payment, logistics). Delivered in 3-6 months, it provides full source code and 3-month 7×12 support, balancing "functional depth" and "system stability" to meet businesses’ scalable development needs.

1. Requirement & Design Services

• Requirement Sorting: 3 x 2-hour cross-department interviews (executives, operations, tech teams), delivering *Detailed Requirement Specification* with 3 rounds of optimizations;

2. Development & Testing Services

• Development Scope: Multi-end integrated development (e.g., iOS/Android APP + Mini Program + PC admin) + unlimited core modules (full business workflows);

3. Delivery & Post-Sales Services

• Delivery Items: Runnable package + full source code (database/deployment scripts) + *User Manual*/*Maintenance Guide*/*API Document*;

4. Target Scenarios

• 1. Growing Businesses’ Full-Business Systems: E.g., e-commerce "omnichannel platform (APP+Mini Program+backend) + member points + logistics integration";