Custom Web System Developer

Web systems built
to fit how you work

From ERP, CRM, admin panels and dashboards to workflow automation — we design and build around the way your company actually works.

Turn work scattered across spreadsheets and messengers into one web system.

  • ERP
  • CRM
  • Admin Panel
  • Dashboard
  • Automation
  • AI Add-on
PROBLEM

Still managing all of this in spreadsheets and chat?

As a company grows, work gets more complex — but information scattered across spreadsheets, messengers, email and paper becomes harder to manage. CQDS organizes recurring work into web systems so you can manage it faster and more accurately.

📊
Too many spreadsheets
Quotes, orders, clients and sales data live in separate files.
🔍
Hard to see status
You have to ask the person in charge every time for project status.
👥
Customer data is scattered
Consultation history, contract status and follow-ups aren't in one place.
🔁
Repetitive reporting
Every week and month you gather the same data to write reports.
🧩
Off-the-shelf doesn't fit
Generic ERP/CRM is too complex or doesn't match how you actually work.
🗂️
You need an admin panel
You need a system to run members, products, orders, inquiries and settlements.

Organize scattered work into a system, and both time and mistakes shrink.

SERVICES

We build the work systems you need, made to fit

We design and build ERP, CRM, admin panels and dashboards around your workflow — starting from the core features you need and expanding step by step.

🗃️
Custom ERP
Bring quotes, ordering, inventory, payables/receivables, collections and project management into one system.
  • Clients
  • Quote · Order
  • Payables/Receivables
  • Collections
  • Project P&L
  • Role-based menus
See details
🤝
CRM / Customer Management
A CRM to systematically manage customer info, consultation history, contract status and follow-ups.
  • Customer info
  • Consultation log
  • Contract status
  • Alerts & follow-up
  • Per-customer reports
  • Owner assignment
See details
🖥️
Admin Panel / Back-office
Admin panels and internal operations systems for running your service.
  • Members
  • Products·Content
  • Orders·Inquiries
  • Settlement
  • Notices
  • Stats dashboard
See details
📈
Dashboard / Report Automation
Bring scattered data together into dashboards that show status and key metrics at a glance.
  • Sales dashboard
  • Progress board
  • Monthly auto-reports
  • Excel upload·analysis
  • PDF export
See details
🔧
Improve / Upgrade Existing Systems
Improve the pain points of websites, admin panels and work systems already in operation.
  • Fix·add features
  • UI/UX
  • Performance
  • DB structure
  • External APIs
  • Deployment
Add-on
AI Workflow Automation
Extend your work system with AI search, document analysis, auto-reports and data insights.
  • AI summaries
  • Internal doc search
  • Auto report writing
  • Conversation analysis
  • Quality data analysis
  • NCR·QMS automation
See details
FIELDS

Systems we can build for you

From work management to ERP/CRM, operator systems and data/AI extensions — built in the form your company needs.

📋
Work Management
  • Internal work requests
  • Project management
  • Progress tracking
  • Owner assignment
  • Approval flow
🗃️
ERP
  • Quote·Ordering
  • Inventory
  • Payables/Receivables
  • Collections·Settlement
  • Clients
🤝
CRM
  • Customer management
  • Consultation·Contracts
  • Care reports
  • Booking·Visits
  • Alerts
🖥️
Operator Systems
  • Admin·Back-office
  • Content management
  • Members
  • Orders
  • Inquiries
📊
Data Systems
  • Dashboards·Stats
  • Report automation
  • Excel upload
  • Data cleanup
  • Visualization
AI Extensions
  • AI chatbot·search
  • AI report writing
  • AI document review
  • AI data analysis
  • Mfg. quality AI
WHY CQDS

Why CQDS?

We don't just build screens — we design the workflow and data structure together so the system actually runs in production.

  1. 01

    We understand the work and structure it

    Not just screens — we map your current workflow and design the data structure and management model with you.

  2. 02

    We build the essentials first, fast

    Rather than a huge system up front, we build the core you'll actually use as an MVP, then expand step by step.

  3. 03

    Web, DB, admin and deployment in one

    Frontend, backend, database, server deployment and operational improvements — handled end to end.

  4. 04

    We build around your way of working

    Instead of forcing your work into off-the-shelf tools, we design the system around your real workflow.

  5. 05

    Extendable with AI when needed

    After the base system, we can add report automation, document analysis, data search and AI agent features.

CASES

Project Cases

Through real projects and hands-on sample builds, we show our capability to build ERP, CRM, admin panels, dashboards and workflow automation.

Sample Build
ERPWork MgmtBack-office
ERP / Work Management Demo
A hands-on demo that manages clients, quotes, ordering, payables/receivables and collections — previously run in spreadsheets and chat — as a web-based ERP, modeled on a real workflow.
  • Clients·Quotes
  • Order·Purchase
  • Production
  • Payables/Receivables
  • Collections
  • Project P&L
Sample Build
CRMCustomerConsultationOwners
CRM / Customer Management Demo
An integrated inquiry, reservation, quote and contract CRM for small businesses. It gathers inquiries from website, email, phone, Kakao, NaverTalk and Instagram in one place and manages customer history, quote creation, reservation scheduling, contract conversion, notifications and duplicate customer merge. Try the working live demo yourself.
  • Unified inquiries
  • Customer history
  • Quotes·Booking
  • Contract·Alerts
  • Duplicate merge
  • Dashboard·Search
Sample Build
ServiceReport AutomationCustomer
Care Report System
A work-system demo for writing and sending per-customer care reports after service delivery. Customer info, service history, report writing and send history are handled in one flow.
  • Customer info
  • Service history
  • Report writing
  • PDF export
  • Send history
  • Admin panel
Sample Build
Admin PanelQuote MgmtAutomation
Inquiry & Quote Management
An admin-panel demo that manages inquiries from your website or external channels and tracks quote-request status and response history. Applies to small-business sales, production and project inquiries.
  • Inquiry intake
  • Quote status
  • Response log
  • Owner notes
  • Alerts
  • Admin panel
Automation
Data AnalysisReport AutomationDashboard
Data Insight Report Automation
A data automation system that organizes accumulated data, defines the analysis points that matter, and surfaces them as reports and dashboards.
  • Data collection·cleanup
  • Define analysis points
  • Auto report generation
  • Dashboard view
  • Instant trend reading
PoC
AI AutomationMfg. QMSNCR
Manufacturing Quality AI System
An AI-based work system supporting quality tasks — NCR report analysis, defect descriptions and corrective-action suggestions. Not a chatbot, but a web interface and data pipeline used inside the real quality process.
  • NCR natural-language search
  • Defect description feedback
  • Corrective action suggestions
  • Countermeasure analysis
  • Quality report automation
Service Ops
iOS AppService OpsPrivacy
Mobile App & Service Operation
Through operating the AutoEventMaker app, we have real experience launching, maintaining, managing privacy policy, and handling user inquiries.
  • iOS app operation
  • App Store release
  • Privacy policy management
  • User feedback
  • Maintenance

More cases coming

Work systems and automation cases across more industries will be added.

Lead Developer Experience

The items below are not direct CQDS contracts — they are projects the lead developer participated in during prior work or collaboration. Scope is stated honestly based on actual implementation involvement.

Participation

Energy Trading Web Platform — Frontend

Participated in frontend development for a B2B web platform handling energy trading operations. Experience building web UI where users do real work — trade status, data entry and operations screens.

  • Frontend dev
  • Trade status screens
  • Data entry screens
  • Operations UI
  • Dashboard UI
Participation

Public Data Portal — UI Development

Participated in developing web portal screens for searching and visualizing public data. Experience building data-driven web UI — search, filters, statistics screens and dashboards.

  • Data search
  • Search·Filter
  • Statistics screens
  • Dashboard UI
  • Visualization
Participation

Brand·Event Website — UI Development

Participated in developing website screens for brand promotion, events and content. Experience building responsive UI, interactions and content-focused pages.

  • Responsive UI
  • Event pages
  • Content pages
  • Interaction
  • Web publishing
LIVE DEMO

Demos you can try yourself

Explore working ERP and CRM demos directly. Role-based menus, input/list screens and approval flows are implemented as real work systems.

sample-erp.cqds.dev
Smart ERP

Smart ERP

An integrated ERP that manages purchasing, inventory and spending in one place, including role-based approvals.

  • Purchasing
  • Inventory
  • Spending
  • Approvals
Open Demo
custom-erp.cqds.dev
MD Production ERP

MD Production ERP

A custom ERP managing the production of entertainment albums and MD goods — an example of industry-specific screens.

  • Production request
  • Process mgmt
  • Order·Receiving
  • Industry fit
Open Demo
sample-crm.cqds.dev
Integrated Customer CRM

Integrated Customer CRM

An integrated inquiry, reservation, quote and contract CRM for small businesses. It gathers inquiries from website, email, phone, Kakao, NaverTalk and Instagram in one place and manages everything from customer history to contract conversion.

  • Unified inquiries
  • Booking·Quotes
  • Contract·Alerts
  • Duplicate merge
  • Dashboard·Search
Open Demo
field-ops.cqds.dev
Field Service Ops

Field Service Ops

A field-service ops demo covering the full flow — from reservations and scheduling/dispatch to work orders and completion reports with photo attachments.

  • Reservations
  • Scheduling·Dispatch
  • Work orders
  • Field reports
  • Photo attachments
Open Demo

Demos open in a new window due to security policy. Sign in with the sample account shown on the site and explore freely.

PROCESS

How We Work

From consultation to deployment and operation — progressing step by step while reviewing interim results.

01
Consult & understand
We review your current workflow, files in use, required features, budget and schedule.
02
Define requirements
We organize core features, user roles, data structure and screen composition.
03
Design screens & features
We design the real screen flow — admin panels, input/list screens, dashboards.
04
Build & review
We build the core first and adjust as you review interim results.
05
Deploy & prepare ops
Server deployment, domain setup, admin accounts and basic usage guidance.
06
Maintain & improve
After real use, we improve features, fix issues and add development.
PRICING

Estimated pricing & timeline

These are typical starting ranges. In an initial consultation we propose building the essential features first.

Estimated price range
  • Simple admin panelfrom ₩1M
  • CRM / operations MVPfrom ₩2M
  • ERP / composite systemfrom ₩3M
  • Improving an existing systemscoped after review
  • AI automation featuresscoped after review
Timeline
  • Simple admin panel1–2 weeks
  • Operations / CRM MVP2–4 weeks
  • ERP / composite system4+ weeks
  • Improving an existing systemafter diagnosis

These are typical starting ranges. The exact quote depends on feature scope, data structure, external integrations and design level.

Add-on

Extend with AI when you need it

Beyond general web systems, CQDS can extend with AI features that use your business data. Start with a base system like ERP, CRM or an admin panel, then add AI search, document analysis, auto-reports and data insights as needed.

Talk about AI
  • Internal doc AI search
  • Inquiry summarization
  • Consultation analysis
  • Auto report generation
  • Data insight extraction
  • Manufacturing NCR analysis
  • Quality AI agent
  • Countermeasure review automation
ABOUT

About CQDS

CQDS designs and builds web-based work systems. We organize work scattered across spreadsheets, messengers and paper into web systems in the form of ERP, CRM, admin panels and dashboards.

Rather than just making good-looking screens, we focus on understanding the real workflow and data structure and implementing systems that actually run in operation.

View Lead Developer Portfolio
Core Capabilities
  • Custom web system development
  • ERP / CRM / admin panel development
  • Database design
  • Dashboards / report automation
  • API integration
  • Server deployment & operation
  • AI agent / AI automation extension

Let's talk about your project

If you need an ERP, CRM, admin panel, dashboard or workflow automation system, reach out anytime. We'll review feasibility and direction based on your current workflow and required features.

Start a Project Inquiry

mjkl7896@cqds.dev

We reply within 24 hours