Hazel Widiantoro

Education

  • Product design

    Binar Academy

    2024

Certification

  • User Interface and User Experience

    Binar Academy

    2024

  • Front-end web development course

    EdX platform a course of study offered by Technical University of Munich

    2024

Skills

  • Figma
  • Figma Site
  • Affinity Designer 2
  • Affinity Photo 2
  • Affinity Publisher 2
  • DaVinci Resolve
  • Claude
  • GitHub
  • Apple Pages
  • Apple Numbers
  • Apple Keynote
  • PHP
  • HTML5
  • CSS
  • JS
  • Next.js
  • PostgreSQL
  • TypeScript
  • Redis
  • Manim

Experience

Founder & Full-Stack Developer JUN 2026 - NOW

Draculinary, point-of-sale and QR Code ordering system for restaurants and cafes

  • Found and run SaaS company in Bali with co-founder.
  • Handle whole product design.
  • UX Research.
  • Prototyping.
  • Working closely with staff, manager, business owner, and investor.
  • Designed the QR table ordering flow: guests scan a table code, browse, customize, and order over mobile data, with no app install.
  • Designed the kitchen display with per-table receipt order, countdown timers, and per-item served status.
  • Designed the waitress floor board: table status, payment verification for manual payment, and a queue of tables that ask help from staff.
  • Built QRIS payments through iFortepay’s gateway, with callback handling, duplicated payment protection, and reconciliation for payments that need checking.
  • Built multi-venue data isolation and role based team permissions (Captain, Manager, Staff) that each venue owner can configure.
  • Built Bluetooth thermal printing for kitchen tickets and receipts.
  • Web push alerts that reach staff even with a locked screen.
  • Designed a bilingual (EN/ID) interface across customer and staff screens, implemented in Next.js, Tailwind, Prisma, and Postgres.

UI / UX Designer AUG 2024 - NOW

ReHub, anonymous social platform on web app

  • Designed ReHub end to end, an anonymous social app where people talk as animal avatars: feeds, chat rooms, profiles, shop, quest mechanism, through gamification across nearly 60 screens and states.
  • Created assets for the mobile-first experience, designed with human-centered principles.
  • Used existing research findings on flawless experience from other popular apps and combined them into ReHub; Discord, iMessage, Lost Saga, Atlantica, Dota 2, Ask.fm, Github, Steam, X, Telegram, Jiffcy, and my other project KacaKece.
  • Laid out a monetization strategy along the user journey to keep free users help the app afloat economically through banner ads, as well as 4 tier membership: Basic, Plus, Premium, Verified. Stretch feature among scaling clear limits such as edit window, posting cooldown, chat room space, bookmarks, ad load, etc.
  • Designed a two-currency economy (diamonds and gold) with a shop for avatars, surnames, nameplates, chat backgrounds, startup sequences, and showcases, each with preview, purchase, and failure states.
  • Designed an avatar rarity ladder from Common to Celestial where the top tier is earned by contribution (bug reports, volunteering, helpful answers), not bought, to keep status away from pay to win.
  • Made the whole experience a game that rewards time spent while keeping a healthy dose of daily use: daily attendance calendar, fortune wheel with free and ad spins, seasonal quests that reset every 3 months, and an event calendar.
  • Designed community mechanics: a broadcast marquee on top of the feed, coin-hosted community quizzes, anonymous asks, and a trust mechanism between two people that unlock gifts and pictures.
  • Built a variant-based component library in Figma (chat bubbles, nameplates, avatar tiers, currencies, pop ups) that keeps every screen consistent and quick to change.

UI / UX Designer FEB 2023

Dota coach app on Overwolf

  • Created assets from scratch for desktop app.
  • Designed User Interface and User Experience for newbie guide with human-centered principle.
  • Approach ads as undisrupted experience.

User Interface Designer MAR 2026

Boring Notch an open-sourced macOS app

  • Design refinement on features.
  • Create User Interface and User Experience to enhance flawless experience to make it feels like authentic dynamic island from Apple.
  • Researched based on established 3rd party app & MacOS standard from Apple developer.

UI / UX Designer 2024

Private project e-commerce website of KacaKece

  • Designed website wireframe.
  • Create User Interface and User Experience on product carousel to display hot product better, product showcase and grid on each category to maximize visits on the products, filter feature based on human-centered pricniple.

UI / UX Designer as team 2024

Binar app revamp challenge from Binar Academy

  • Conducted user research to gather insight on effective learning practices, pain points, and interface defect.
  • Conducted user feedback to reiterate the design.
  • Managed team through the process of a product’s.
  • Researched and mereged the concept of Duolingo learning process.
  • Turn a concept of learning from reading gathered from evidence on Indonesian low literacy, into gamification to boost retention time and effectiveness of learning process.
  • Created User Interface and User Experience on advancement through leaderboard and reward for competitiveness in learning, giving congratulation on each chapter to give user dopamine, question and answer page for user could exchange ideas when confused, created interactive landing page to make a sense of wonder instead of just a task to be done.