Custom System Development
Web, app, business systems and more
Request your custom development project
Development Areas
We support system development across various domains
Web Systems
SaaS, admin panels, portals, communities, etc.
- SaaS Platforms
- Back-office/Admin
- Member Portals
- Community/Forums
Mobile/App
Hybrid apps, PWA, native integration
- Hybrid Apps
- PWA
- WebView Apps
- Native Integration
API/Integration
REST API, external system integration, data sync
- REST API Development
- ERP/CRM Integration
- Payment System Integration
- Legacy Integration
AI/Automation
AI feature integration, chatbots, business automation
- AI Chatbots
- LLM Integration
- Data Analysis
- Business Automation
Data/BI
Dashboards, reporting, data pipelines
- Dashboards
- Report Automation
- ETL Pipelines
- Data Visualization
Security/Auth
SSO, 2FA, permission management, audit logs
- SSO Implementation
- 2FA Authentication
- Permission Systems
- Audit Logs
Why QuantHow?
Looking for a reliable development partner?
25+ Years of Experience
We design optimal solutions based on extensive experience across various industries.
Own Platform
Fast and stable system development powered by our Multi-SaaS Kit.
Flexible Collaboration
We offer a flexible development process tailored to your schedule and budget.
Scalable Architecture
We design with scalable architecture considering future growth.
Development Process
We build successful projects through a systematic process
Consultation & Analysis
Understand business requirements and define project scope.
Proposal & Estimate
Provide detailed proposal including tech stack, timeline, and cost.
Design & Prototype
System architecture design and UI/UX prototyping.
Development & Testing
Agile development with continuous testing.
Deployment & Handover
System deployment, environment migration, and user training.
Maintenance
Ongoing maintenance for stable operations.
Frequently Asked Questions
We can develop web systems, mobile apps, APIs, admin panels, data analysis dashboards, and more. We can also find solutions for special requirements through consultation.
It depends on the project scope and complexity. Simple systems take 1-2 months, while complex systems may take 3-6 months or more. We provide detailed timelines during consultation.
Yes, we can integrate with various external systems including ERP, CRM, payment systems, and legacy systems. Even systems without APIs can be integrated through crawling/scraping.
Yes, we support ongoing system management and feature improvements through monthly or per-incident maintenance contracts after development is complete.
Ready to start your project?
Get a free consultation to understand project scope and estimated costs