AI Product Engineer & Full-Stack Developer
Building AI, web, and mobile systems for product teams.
I’m Diomari Madulara, a senior full-stack engineer with 10+ years of experience shipping React, Next.js, TypeScript, Cloudflare, and mobile products.
Featured works
Projects
Open-source tools
Flare Control
A Cloudflare-native platform for orchestrating AI agents with human-in-the-loop controls.
Brief Context
A lightweight handoff tool that gives AI coding agents a shared, refreshable project context before they edit a repository.
Edge Form
A self-hostable Cloudflare Workers contact form backend with D1 persistence, spam checks, delivery adapters, and CSV export.
Recent writing
All articles-
Lessons from building a coding agent package
What building Brief Context taught me about safe project scanning, adapter design, and giving AI coding agents better handoff context.
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How I added free article narration with Piper, then moved to Kokoro for quality
A practical look at adding local, free audio narration to a static Astro site, what worked with Piper, and why Kokoro became the better quality option.
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Resist the temptation to prompt
A reminder for AI-assisted development: before asking the model for code, slow down long enough to understand the problem, boundary, and next smallest useful step.
How I can help
- 01
Senior engineering roles
I’m open to senior frontend, full-stack, and AI product engineering roles where product judgment matters as much as code quality.
- 02
AI product & full-stack consulting
I help teams scope, architect, and ship web, mobile, Cloudflare, and AI-powered product work from planning to production.
- 03
Speaking & workshops
I speak about AI-assisted development, software engineering best practices and the habits behind shipping useful software.
Tech stack
- Frontend
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- React
- Next.js
- Astro
- TanStack
- TypeScript
- JavaScript (ES6+)
- Tailwind CSS
- HTML5/CSS3
- Zustand/Context API
- Mobile
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- React Native
- Expo
- Backend, DB & APIs
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- Node.js
- HonoJS
- Drizzle ORM
- GraphQL
- REST
- PostgreSQL
- SQLite
- Python/Django
- Pandas
- AI Inference
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- OpenAI
- Anthropic
- OpenRouter
- Cloudflare AI Gateway
- Infra
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- AWS
- Cloudflare
- Supabase
- Workflow
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- Codex
- Pi Agent
- Git
- Github Actions
- Wrangler