AI Engineer + Product Builder / Factor1 / Manila, Philippines

JOSEPH
GUERRERO

I build AI automation, RAG systems, and full-stack products for teams that need a real workflow shipped—not another demo.

01AI workflows
02RAG & knowledge
03Full-stack commerce
04Practical automation

01 / AI engineering services

From rough workflow to working system.

Scoped engagements for teams that need AI automation, grounded knowledge tools, or a usable product—not a disconnected proof of concept.

01

AI workflow automation

Turn repetitive work, document handling, and handoffs into reviewable systems with clear human control.

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02

RAG & knowledge systems

Build grounded assistants and decision-support tools that answer from the material your team actually trusts.

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03

AI product development

Take an AI product from a rough brief to a usable interface, working backend, and production-ready handoff.

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04

AI prototyping & advisory

Find the useful AI opportunity, expose the risks early, and test it before committing to a larger build.

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View all services

02 / Selected work

AI products for real workflows.

Selected employer, independent, and public work across knowledge systems, premium commerce, desktop workflows, and full-stack products.

01

Factor1 Accountants & Advisers2025 - now

Factor1 Vibe

An employee platform that brings workplace knowledge, growth workflows, and everyday admin into one AI-enabled product.

Policy support, skills coaching, APR workflows, and practical admin tooling share one private product surface.

Stack TypeScript / Next.js / AI workflows

AI product engineeringSystem trace
  1. Employee need
  2. Connected AI workflows
  3. Clear next action
Private employer product

02

Independent client product2026

Watch Alley

A premium watch-reseller storefront with a production admin system, real analytics, and high-trust customer flows.

Built as a full-stack commerce product: catalog storytelling, inquiry conversion, storefront analytics, country/referrer tracking, and operator-ready admin controls.

Stack Next.js / Supabase / Vercel / Analytics

Full-stack product engineeringSystem trace
  1. Luxury buyer intent
  2. Verified storefront + admin
  3. Inquiry-ready conversion

03

VibeCodersPH collective work2025

MailBot

An on-device AI email assistant exploring tone-aware replies directly inside Gmail.

A public experiment in bringing private, lightweight AI into a familiar everyday workflow.

Stack JavaScript / Chrome AI / Extension

On-device AI / collective buildSystem trace
  1. Email context
  2. On-device model
  3. Tone-aware reply
Continue to experience

03 / Experience

Experience building useful AI products.

Experience
2025 - now

AI Developer

Factor1 Accountants & Advisers

Building AI-enabled internal products, knowledge systems, and workflow tools for everyday employee work.

2025 - now

Freelance AI Engineer

VibeCodersPH

Prototyping on-device AI and full-stack products through collective builds.

2025

AI Engineer

Diliman Tech Labs

Applied machine-learning and product engineering.

Systems I build
  • AI product design and workflow automation
  • Knowledge systems, RAG, and decision support
  • Full-stack applications and internal tools
Toolkit
TypeScriptNext.jsReactPythonOpenAIRAGSupabaseAI agents
How I contribute

From the first product thought through a usable interface, a working system, and the details that make people trust it.

04 / More work

More applied AI and product systems.

A compact index of employer and collective work that broadens the picture.

04Desktop AI workflow

Meeting Notetaker

Factor1 Accountants & Advisers

A desktop workflow that turns recorded conversations into reviewable notes and follow-up material.

2026Private employer product
05RAG system design

Policy Chatbot

Factor1 Accountants & Advisers

A grounded RAG assistant for clear, direct answers to workplace-policy questions.

2025 - nowPrivate employer product
06On-device AI / collective build

ApplyMate

VibeCodersPH collective work

A privacy-first Chrome extension that extracts and organises job and lead information with on-device AI.

05 / AI engineering insights

Useful decisions, explained plainly.

Practical notes for founders and teams choosing, scoping, and operating AI systems.

AI systems5 min read

AI agent or workflow automation? Start with the decision boundary

A practical way to decide whether a business process needs an agent, a deterministic automation, or a careful hybrid of both.

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RAG & knowledge6 min read

When should a business build a RAG system?

Use retrieval-augmented generation when answers must be grounded in changing, organisation-specific material—not simply because you have documents.

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Project delivery6 min read

How to scope an AI automation project without buying a demo

A practical project brief for moving from an impressive prototype to an automation that survives real inputs, human review, and failure.

Read article
Browse all insights

06 / Contact

Have an AI project that needs a credible first move?

Send the workflow, the people involved, and the part that keeps breaking or taking too long. A rough brief is enough to begin.

Email Joseph