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Illustration of backend API development and database modeling

DANSUIM ORGANIZATIONIT-03A

Backend Engineering

Designs and operates service data, APIs, and core business logic.

Explore our work
app/api/catalog/route.ts
Part ofProduct Development
Expertise
  • API development
  • Data modeling
  • Service quality

01Our role

Connecting the data and logic behind every screen.

Provide a scalable foundation for every service through accurate data and dependable architecture.

Parent teamProduct Development

From request to response

Example workspace

Product search API

Searches local example data only; no external API is called.

GET /example/products

// Awaiting request
{
  "query": ""
}
Awaiting requestLocal example data

Areas of responsibility

  1. 01

    API development

    APIs and business logic

    Define requests and processing rules, then implement them through consistent APIs.

    Deliverables
    API specifications · Business logic
  2. 02

    Data modeling

    Database design and operations

    Design data structures and relationships while maintaining reliable storage and retrieval.

    Deliverables
    Data models · Database structures
  3. 03

    Service quality

    Performance, security, and integrations

    Review response times, access controls, and external integrations to strengthen reliability.

    Deliverables
    Performance reviews · Integration checks

02AX at work

Read data and request patterns for more reliable APIs.

AX structures API requirements into schemas and finds exception candidates in logs and query patterns to support backend design and verification.

Choose work for AX support

AX supports organization and drafting. Final decisions and accountability remain with the specialist.

AX WORKFLOW00 / 04
BACKEND / AXAPIs and business logic
Work inputAPI needs, data model, request logs01
AX assistSchema draft and exception-pattern analysis02
Human reviewDeveloper contract, security, and performance review03
Work resultClear API contract and test scenarios04

Choose a task to begin

Capability gains

  • 01Less repetitive organization
  • 02More consistent work standards
  • 03More focus on judgment and customers

03Process

Clear data and rules. A sound foundation for every feature.

Understand the need, put the plan into practice, and carry the result forward.

  1. 01

    Model the rules

    Define the data and processing conditions required by the feature.

  2. 02

    Build and connect

    Implement server capabilities and connect interfaces and external services.

  3. 03

    Validate and operate

    Check expected and exceptional flows, performance, and operational behavior.

Example scenario / IT-03A

Retrieving products by brand and series

The starting point
The interface needs matching products and counts for the selected brand and series.
The outcome we work toward
Model the data and query rules, validate filters, sorting, and edge cases, then connect the API to the frontend.

04Partner teams

Specialist teams. Shared outcomes.

Connected responsibilities, working toward the same goal.

IT-03B / Frontend Engineering

Frontend Engineering

Connects UI/UX design, web pages, app design and development, and frontend code into consistent experiences.

CONTACT DANSUIM

Talk to us about this team's work.

We will review your request and connect it to the relevant team.

+82 31-335-0356

Weekdays 08:30–18:00 KST

Full organization

15 departments
Current location
  1. CEO
  2. IT Division
  3. Product Development
  4. Backend Engineering