04 — Product / Mobile / Full-stack
04
GADGET PROMOTION
Mobile giveaway platform for gadget promotions
Year
2026
Role
Full-stack / Mobile Product Developer
Status
Product / Case Study
React Native
Expo
TypeScript
Node.js
PostgreSQL
A mobile platform where users can join free gadget giveaways, choose the campaigns they want to participate in, and follow participant lists and winner results.
04
OVERVIEW
A mobile giveaway platform built around simple participation flows, transparent campaign management, and automated winner selection.
Gadget Promotion allows users to browse active gadget giveaways, choose which promotions they want to join, view participant lists, and follow the results once a winner is selected. The platform also includes an administration panel for managing giveaways, participants, campaign state, and winner selection. I was responsible for the full development lifecycle, including product and technical planning, mobile application implementation, backend and database development, administration tools, deployment, and ongoing maintenance.
02
MY ROLE
Title
Full-stack / Mobile Product Developer
Project
2026
01
Product and technical architecture from planning to production
02
React Native / Expo mobile application development
03
Giveaway discovery and participation flows
04
Participant lists and campaign status views
05
Automated winner selection logic
06
Administration panel for giveaway management
07
Backend API and application business logic
08
Database architecture and data management
09
Production deployment and ongoing maintenance
03
SELECTED INTERFACES