1. UI/UX Design
  2. Software Engineering
  3. Graphic Design
  4. Private Portfolio











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©2024 Rafal Alzaid

PlantPal – Founder/Product Engineer              

Branding + UI Design + UX Research + Architecture Design + Prototyping


As both a designer and developer on PlantPal is a mobile-first plant care assistant that translates complex environmental data into simple, personalized guidance for each plant.

Key Contributions:
  • Built Android app using Kotlin + Jetpack Compose with a clean MVVM architecture
  • Integrated Perenual + OpenWeather APIs to deliver real-time, location-aware care recommendations
  • Designed a system combining plant data, user logs, and environmental signals (humidity, UV, weather) for adaptive guidance
  • Implemented Room database for local persistence and responsive performance
  • Led UI/UX and branding design, creating a cohesive visual system and simplifying complex data into an intuitive, user-friendly experience

Github Repo

Barterloo – Intern

       



Barterloo is a marketplace platform designed to make peer-to-peer trading more intuitive by improving how users discover and connect through relevant matches.

Key Contributions:
  • Built full-stack features across the platform using React, Node.js, Express, Prisma, and PostgreSQL
  • Designed and implemented a semantic matching system using transformer-based embeddings to surface relevant trade opportunities
  • Developed core user flows including listing creation, profile management, messaging, and match discovery
  • Improved backend performance by structuring systems for efficient querying and scalable recommendation logic
  • Led UI/UX and branding design, refining interaction flows (e.g., “Let’s Barter”) and creating a cohesive, user-friendly marketplace experience
  • Collaborated directly with stakeholders through weekly product discussions, contributing to both technical decisions and product direction