waruna@dev — Product Engineer

➜ ~ git:(main) cat welcome.txt

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Product Engineer — 12+ years shipping software

I build entire products, not just features. 12+ years shipping

software across Rails, Go, React, Swift, and TypeScript.

I design architectures, make product decisions, and ship

end-to-end — from database to App Store.

➜ ~ git:(main) cat projects/DomainPilot/README.md

DomainPilot

Frontcube LLC — app.domainpilot.io

Domain monitoring SaaS I designed, built, and operate solo. Rails 8 API + Next.js frontend + Go uptime service across 6 global regions. Redis config broadcast system, TimescaleDB time-series storage, real-time WebSockets, Stripe billing, and AI-powered analysis. Two-layer notification anti-spam with multi-region consensus and flap detection.

6 global regions 3 services 1 engineer

Rails 8Next.js 16Go PostgreSQLTimescaleDBRedis Fly.ioStripeClaude API

view details →

➜ ~ git:(main) cat projects/Forge/README.md

Forge

Open Source — GitHub

Cross-platform desktop app for managing AI agent instruction files across Claude Code, Gemini, Cursor, Kiro, Windsurf, Copilot, Aider, Amp, and Codex. Browse, edit, and sync configs across all major coding agents. Peer-to-peer sync across machines with no account required.

GoWailsReact P2P SyncGitHub Actions

view details →

➜ ~ git:(main) cat projects/RaceTelemetry/README.md

Race Telemetry

Personal Project — racetelemetry.com

F1 race replay and analytics platform. Real-time car positioning from GPS telemetry data, interactive track maps, standings tower, tire strategy breakdowns, and historical data from 1950 to present.

76 seasons 1,100+ races

Next.jsReactTypeScript PythonOpenF1 API

view details →

➜ ~ git:(main) ls projects/tools/

iOS Simulator MCP Server

30-tool MCP server wrapping xcrun simctl for AI-assisted iOS development and testing automation.

MCPiOSxcrun

FastPilot

Fastlane plugin automating App Store releases using Claude API for changelog generation.

FastlaneClaude APIRuby

Loke

Social platform for skaters. Scaled from zero to 90,000 users as sole developer. ~1,000 DAU.

RailsHetzner90K users

CodeForge

Native SwiftUI agentic coding assistant with local file tools, Git integration, and remote Mac build server.

SwiftUIClaude APIGit

➜ ~ git:(main) cat experience.log

2024 — Present

Lead Application Engineer

Paro AI

Leading application engineering for an AI-powered platform. Driving architecture decisions, code reviews, mentoring, and developer workflows.

2018 — 2024

Senior iOS Engineer (Enterprise)

Contract — Johnson & Johnson, Aetna, Daiichi Sankyo

Enterprise iOS apps with Microsoft Intune SDK integration. MDM-compliant, secure data handling under strict healthcare regulatory requirements.

2016 — 2018

Founder & Full-Stack Developer

Loke — Social Platform

Built and scaled from zero to 90,000 users as sole engineer. All architecture and product decisions.

➜ ~ git:(main) cat ~/.skills

# Languages

Swift, Ruby, Go, TypeScript, JavaScript, Python, Kotlin

# Backend

Rails 8, PostgreSQL, TimescaleDB, Redis, Action Cable, Good Job

# Frontend

React 19, Next.js 16, Vue.js, Tailwind CSS, Hotwire/Turbo

# Mobile

SwiftUI, UIKit, Kotlin Multiplatform, Intune SDK

# Desktop

Wails (Go + React), cross-platform macOS/Win/Linux

# Infrastructure

Fly.io, AWS, Vercel, Cloudflare, Docker, Stripe, Sentry, Grafana