Shahrzad Jafari Logo

OFF-APP

Designing Online Shopping App (full service) Using Design Thinking Methodology

Role UX/UI Designer
Timeline 6 months
Team Data Analyst · Content Strategist · Product Owner . Developer
Tools Figma, Design Thinking, User Research, usability testing · Benchmarking · Persona definition · Design system
OFF-APP Case Study Cover

Project Overview

OFF-APP is a comprehensive online shopping application designed from the ground up using Design Thinking methodology. The project involved creating a complete user experience with 150+ pages, featuring both Light & Dark Mode capabilities.

OFF-APP process

Design Focus

The project centered on three key experience priorities:

My approach followed the Design Thinking framework across discovery, definition, ideation, and prototyping stages.

Research & Insight Development

OFF-APP persona and user needs

A: Define phase

Defining product persona and user needs through extensive research and stakeholder interviews.

OFF-APP persona and user needs

Benchmarking with other competitors and analyzing market trends.

OFF-APP process

Key findings emphasized the importance of ease of use, customization, and meaningful engagement features.

B: Ideate phase

Brainstorming sessions to generate innovative solutions and design concepts.

OFF-APP persona and user needs OFF-APP persona and user needs

Defining user flows and product requests

OFF-APP process

C: Prototyping phase

Creating low fidelity then high fidelity interactive prototypes to test and refine design concepts.

OFF-APP persona and user needs OFF-APP persona and user needs

Designing color palette and typography and component library

OFF-APP persona and user needs OFF-APP persona and user needs OFF-APP persona and user needs

D: Building phase

Deploying the final product and ensuring all components are integrated correctly working and launching MVP with Developers help.

OFF-APP persona and user needs

E: Analysis phase

team design Sprints in 3 round and tested some hypothesis and app features in 3 months in agile rhythm after delivering to stakeholder

OFF-APP test

Usability testing with usertesting platform and GA4 Google Analytics users showed aftre testing with 20-25 users in each sprint:

OFF-APP persona and user needs
OFF-APP persona and user needs

These insights confirmed alignment between design decisions and user expectations.

Reflection & Opportunities

The project strengthened my experience in:

  1. Research-driven UX decision-making
  2. Complex interface structuring and scalable component design
  3. Designing personalization-oriented product experiences

Future opportunities include expanding social sharing, product discovery, and loyalty-based engagement features.

OFF-APP persona and user needs