Katerina Sh ← All work
Case Study Dashboards · Full-Stack

Dashboards & Admin Systems

Backend services and operational interfaces that turned complex business data into searchable workflows, reports, exports, and management tools.

Data path workflow-shaped
Large business dataset
Filter · search · paginate · aggregate
operational
Records & workflows
analytical
Charts & reports
Role
Backend and Full-Stack Developer
Project type
Composite Commercial Experience · Anonymized Case Study
Tech stack
C#.NETASP.NETPostgreSQLSQLDapperAngularJSREST APIsCSV
01 — Delivered

What I delivered

  • Designed backend data structures for operational business workflows
  • Implemented CRUD APIs for business records and related entities
  • Built advanced filtering, search, sorting, and pagination
  • Prepared aggregated data for charts and analytical views
  • Implemented reports and CSV exports
  • Supported transactional updates across related records
  • Built and integrated internal operational interfaces
  • Connected frontend tools to existing backend services
02 — Overview

This case study represents recurring experience across several private systems involving dashboards, admin panels, reporting tools, and internal operational interfaces.

The work included both backend services for large business datasets and practical web interfaces used to manage records, monitor status, review reports, and complete day-to-day operational tasks.

03 — Context

The problem

Business and operations teams needed more than raw database access.

They required clear interfaces for finding records, managing related entities, reviewing status, exporting data, and understanding aggregated results without manually combining information from several systems.

The backend also needed to support large result sets while returning data in forms suitable for tables, charts, reports, and administrative workflows.

04 — Approach

Solution

I implemented APIs and internal tools around the actual operational workflows rather than exposing generic database operations.

Backend endpoints supported focused search, filtering, pagination, related-record updates, reporting, and export. Where the frontend required charts or summaries, the API returned visualization-ready aggregates instead of forcing the browser to process raw datasets.

For internal interfaces, I built practical screens connected to existing APIs and focused on clarity, task progression, and business state:

Endpoint shape workflow-first
Generic database operations avoided
Focused operational endpoints shipped
Visualization-ready aggregates for charts
05 — Architecture

How it fits together

Relational data models represented core business entities and their relationships, serving two distinct kinds of consumers.

API consumers
Relational data models
Operational views — records, statuses, workflows
Analytical views — counts, summaries, reports, visualizations
Consistency
One user action
Transactional update across related records
Protected consistency
06 — Features

Key features

Administrative CRUD workflows

Advanced filtering and search

Paginated data tables

Business status management

Report generation

CSV import and export

Visualization-ready aggregates

Operational dashboards

Internal task and inventory interfaces

Transactional multi-record updates

07 — Challenges

Technical challenges

The main challenge was presenting large and interconnected datasets in a way that remained usable for business teams.

The APIs needed to support flexible filtering and reporting without returning unnecessarily large payloads. Related updates also had to remain consistent when a single user action affected several records.

For internal tools, the challenge was simplifying operational processes without inventing unnecessary product complexity.

08 — Outcome

Outcome

The resulting systems gave business and operations teams structured ways to search, manage, export, and understand operational data.

This work demonstrates experience building the backend foundations and practical interfaces behind dashboards, admin systems, reporting tools, and internal business applications.

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Katerina Sh · Full-Stack Engineer © 2026 Ninja Paws · All rights reserved