Rolando Arbitrario

Full-stack engineer who works across the whole product: interface, API and the AI features in it.

Twelve years building web and desktop products, from the screen down to the database and the deploy.

Remote, open to full-time and contract roles

Front: TypeScript, React, Next.js, Electron

Back: Hono, Drizzle ORM, Postgres, Cloudflare Workers, Cloud Run

Public

PickleSide

A web app that runs open-play pickleball sessions: players, courts, who plays next and a live view on every phone.

Personal project, built alone. Next.js 16, React 19, Postgres on Neon.

PickleSide on a desktop, tablet and phone, showing courts with two teams each and a next-up list

Work behind a login

These products are private, built on the job. Screens show the real interface, web and desktop, running on sample data, with company names left out.

HR and workforce platform

One backend, one web portal and one desktop time tracker that a distributed team runs its people operations on: schedules, time off, roles and daily reports.

My part. Wrote all of it: the API, the web portal and the Electron time tracker.

Hono, Drizzle, Postgres, Better Auth, React 19, Electron, Cloud Run

People directory with employee cards, department, location and status Desktop time tracker with a running timer, a Pause button and the list of teammates online
Web portal and desktop tracker, real interface, sample data

LLM chatbot platform

A chat product with custom bots, uploaded knowledge, tool calls, web search and voice dictation.

My part. The front end, the API and the agent runtime behind it.

Next.js 16, Vercel AI SDK, Hono, Postgres, Gemini and OpenAI, Terraform, Cloud Run

Chat screen with a folder sidebar and an answer containing a table and a checklist
Real interface, sample data

AI productivity platform

A desktop app and web dashboard that turn a working day into short AI briefs a person can ask questions about.

My part. The web dashboard and chat, the desktop app for macOS and Windows, and its release pipeline.

Electron, React 19, native C++ and Swift modules, Vite, GitHub Actions

Dashboard with a daily brief, a focus score and an insight card with suggested actions Desktop side panel chatting with the assistant, which summarises the day's work
Web dashboard and desktop panel, real interface, sample data

Team portal

A workspace built as a third-party service for an internal team, to smooth out their daily workflow: inbox and approvals, schedules, start- and end-of-day reports and a knowledge base.

My part. Main front-end owner through several redesigns. Built the inbox and approval flows and the shared component library.

React 18, TypeScript, MUI, React Query, Pusher

Inbox listing requests, daily reports and approvals from teammates
Real interface, sample data

Hiring for a remote full-stack or product engineer role?