Software Engineer

Sean Richard
D. Sakamoto

Full-stack developer with hands-on experience building intelligent mobile and web applications using React Native, Node.js, REST APIs, and Firebase. Currently focused on integrating generative AI into modern applications to optimize development workflows and deliver scalable solutions.

A little about me
Portrait of Sean Richard D. Sakamoto

Experience

2025 — 2026

Freelance Software Developer

July 2026 - Sept 2026

Outlay

Designed and developed Outlay, an offline-first personal finance application for tracking daily expenses, managing monthly bills, and setting payment reminders with notifications. Implemented financial reports to help users understand spending patterns and track cash flow.

Developed a conversational chatbot that enables users to record expenses and schedule recurring bill reminders through natural language.

Boundary Log

Designed and developed a local-first fleet operations web application to replace a manual daily collection and expense tracking process, improving record accuracy and reducing human error in financial calculations.

Engineered offline-first functionality, enabling core operations to remain available without a continuous internet connection.

AI & IT Programmer Intern

Tailin Abrasives Corporation

Nov 2025 - Mar 2026

Developed an AI-assisted presentation-to-video automation tool that generates customizable narration scripts from PowerPoint/PDF slides and converts presentations into narrated videos; used it to produce 5 departmental orientation videos, reducing orientation delivery time from 1–2 hours to 15–45 minutes per session (up to 75%).

Designed and developed a General Ledger web system to replace the company's fully manual accounting process, automating dual-currency (PHP/USD) bookkeeping, journal entries, trial balance, Excel import/export, and deployed it to the company's local server.

Projects

2024 — 2026

More projects

2024 — 2025

Tech stack

Frontend

  • HTML/CSS
  • JavaScript
  • TypeScript
  • React Native
  • React
  • Next.js
  • Tailwind CSS
  • Bootstrap

Backend

  • PHP
  • Node.js
  • MySQL
  • PostgreSQL
  • Firebase

Tools

  • GitHub
  • Git
  • Figma
  • Expo Go

Contact

Got an interesting problem?

Let's talk about it.

Start a conversationseanrichard1022@gmail.com
Sean Richard D. SakamotoSoftware Engineer

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