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Projects

Products I built that went live

Multisys

TXTBOX

  • Next.js
  • React Query
  • Tailwind CSS

A service that lets any business send SMS with a single line of code. No telecom contracts, no complicated setup. Sign up, plug it in, start texting customers.

Screenshot of TXTBOX

Smart Communications

KaPartner Portal

  • React
  • Redux
  • React Query
  • Bootstrap

The portal Smart dealers across the Philippines use to sell prepaid load. Real merchants, real transactions, every day.

Screenshot of KaPartner Portal

Harvey Norman

Harvey Norman

  • Shopify
  • Liquid
  • Tailwind CSS
  • JavaScript

The retail e-commerce site Harvey Norman shoppers use to browse products, find stores, and buy online.

Screenshot of Harvey Norman

SEC Philippines

SEC Examinee Portal

  • React
  • TypeScript
  • React Query
  • Tailwind CSS

The official portal where SEC Philippines examinees schedule certification exams and webinars online instead of queueing in person.

Screenshot of SEC Examinee Portal

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Experience

Where I've worked, and for whom

  1. MicroSourcing

    RemoteClient · Harvey Norman

    • Frontend Software Engineer · Contract

      Apr 2025 to Present · 1 yr 5 mos

      Shopify admin tooling and customer-facing e-commerce work for Harvey Norman, shipped with backend and QA in an agile team.

  2. Multisys Technologies Corporation

    Hybrid

    Built responsive web apps with design, backend, and QA across government, telecom, and enterprise clients — turning wireframes into fast, accessible interfaces.

    • Frontend Software Engineer · Full-time

      Nov 2020 to Apr 2025 · 4 yrs 6 mos

    • Frontend Software Engineer · Contract

      Aug 2020 to Nov 2020 · 4 mos

  3. FourPoint.Zero, Inc.

    Onsite

    • Software Development Intern · Internship

      Oct 2018 to Jan 2019 · 4 mos

      Internship on training app projects — assisted developers, wrote documentation, and helped with QA and bug reporting.

Toolkit

Tools I use today

  1. Core

    • JavaScript
    • TypeScript
    • React
    • Next.js
    • HTML
    • CSS

  2. Styling

    • Tailwind CSS
    • Sass
    • Bootstrap
    • Shadcn UI
    • Polaris
    • Framer Motion
    • Web Components

  3. State & Data

    • Redux
    • Zustand
    • TanStack Query
    • Context API
    • REST APIs
    • GraphQL
    • Zod

  4. Backend

    • Node.js
    • Express.js
    • MongoDB

  5. Workflow

    • Git
    • GitHub
    • Figma
    • Jira
    • ClickUp
    • Agile
    • Vite

  6. AI Tools

    • GitHub Copilot
    • Cursor
    • ChatGPT
    • Claude
    • Gemini
    • Grok

  7. Others

    • Shopify
    • Liquid
    • React Router
    • Remix
    • Jest
    • Vitest
    • jest-openapi

Contact

How to reach me

Open to work~30 days noticeRemote preferredHybrid negotiable

© 2026 Jefferson Rosales