Professional WorkCase Study

AMP Ticket Add-On Flow

A production ticketing feature built to make event add-ons easier to discover and select while preserving checkout continuity, accessibility, and compatibility with an established application.

Professional Systems + SoftwareProductionReactTypeScriptTailwind CSS

Role

Sole Full-Stack Developer

Status

Production

Focus

Feature Integration + Checkout UX

Type

Professional Production Feature

Overview

Extending an established ticketing experience

This project involved designing and implementing an add-on feature within an existing production ticketing application. The feature needed to make optional event purchases easier to discover and select while fitting the application's established checkout flow, interface patterns, accessibility expectations, and technical constraints.

Problem

Making optional purchases visible without disrupting checkout

Add-on opportunities can be overlooked when they are difficult to find, poorly timed, or disconnected from the surrounding purchase flow. The challenge was to improve their visibility and usability without adding unnecessary friction, confusing users, or destabilizing an established production experience.

Goals

What the feature needed to accomplish

  • Make relevant add-on options easier to discover during the purchase process
  • Integrate the feature into the existing ticketing experience and interface patterns
  • Preserve checkout continuity while introducing an additional decision point
  • Support accessible and understandable interaction states
  • Implement and test the feature within existing platform and production constraints

System

Integrating the feature into an existing flow

Because this was an extension of an established production application, the implementation needed to work within existing checkout behavior, state management, interface patterns, dependencies, and integration boundaries rather than introducing an isolated experience.

Existing checkout context

↓

Add-on presentation

↓

User selection and interaction state

↓

Existing ticketing integration

↓

Checkout continuation

Technology

Tools used

The feature was implemented within the application's existing frontend stack using React, TypeScript, and Tailwind CSS.

  • React
  • TypeScript
  • Tailwind CSS

Feature Work

Key implementation areas

  • Add-on presentation within the existing purchase flow
  • Selection and interaction-state handling
  • Integration with established ticketing behavior
  • Accessible interface structure and controls
  • Responsive styling consistent with the surrounding application
  • Testing and refinement within a production environment

Technical Decisions

Implementation choices shaped by the existing system

Extend the existing flow

The feature needed to work within an established ticketing application, so the implementation extended current checkout behavior and interface patterns instead of creating a separate purchasing experience.

Keep interaction state predictable

TypeScript supported clearer handling of selection states and interaction behavior while the feature was integrated into an existing frontend codebase.

Prioritize checkout clarity

The feature introduced another decision within a sensitive purchase flow. Placement, labeling, accessible controls, and continuity needed to remain understandable without competing with the primary checkout task.

Constraints

Working within a production ecosystem

The feature had to operate within existing platform behavior, dependencies, business rules, interface conventions, and release expectations. The work also required protecting checkout continuity, reducing regression risk, and documenting the project without exposing proprietary system details.

Outcome

What the completed work demonstrates

The result was a production feature integrated into an established ticketing application. The work demonstrates feature development within an existing system, typed interaction-state handling, accessibility-conscious interface implementation, testing, troubleshooting, and balancing product requirements with technical constraints and user-flow clarity.

Further Development

How the feature could continue to evolve

  • Evaluate feature discoverability and interaction patterns using appropriately collected product data
  • Refine placement and presentation based on documented user behavior and accessibility feedback
  • Expand testing across checkout states, edge cases, and supported devices
  • Strengthen implementation documentation for maintenance and future feature work
  • Review the feature periodically as the surrounding ticketing experience changes