© John Rey Millor

Profile

About

Engineering background, experience, skills & tools, and current focus.

2022—Present

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Profile

Full-Stack AI Engineer & Solutions Architect

Cebu City, Philippines

As a Full Stack Software & AI Engineer, I bring expertise in building scalable front-end and back-end solutions, along with a strong foundation in AI integration. With a proven history of developing high-quality web applications and a drive for innovation, I thrive in fast-paced environments where collaboration and problem-solving are key.

I am eager to contribute my skills to create impactful digital solutions that not only meet business needs but also deliver exceptional user experiences.

I enjoy partnering with product and business teams to ship real, user-facing features—not just prototypes.

Current focus

  • AI copilots for governance & compliance
  • Multi-tenant SaaS platforms with strong RBAC & auditing
  • RAG systems, vector search, and evaluation pipelines
  • Cloud-native deployments with CI/CD and observability

Engineering approach

  • Build real products with AI at the core, not as an afterthought
  • Care about clean architecture, developer experience, and observability
  • Value ownership, autonomy, and shipping fast without sacrificing quality

Experience

2022—Present

08 roles

01

Digital Squad

Current

AI Engineer & Solutions Architect

Remote · Melbourne, Australia

Aug 2025 – Present

  • Architected and built a full-stack AI-powered SaaS platform with Next.js, delivering intelligent workflows and automated decision-making.
  • Designed and deployed an AI Co-Pilot with RAG and multi-framework governance support, improving completion rates and compliance.
  • Implemented semantic search with pgvector (384-dim embeddings), cutting response latency by ~40% via optimized vector indexing.
  • Built real-time AI scoring engines and ML pipelines in TypeScript, providing policy evaluations and analytics with 99%+ accuracy.
  • Designed a multi-tenant architecture with org-level RBAC, evidence processing, and complete audit trails.

AiiQ

02

Senior Full Stack AI Engineer

Remote · Las Vegas, Nevada, USA

Sep 2025 – Dec 2025

  • Delivered end-to-end AI features: ingestion, retrieval, APIs, and frontend integration for enterprise platforms.
  • Built multi-agent RAG services with resilient orchestration, caching, batching, and tuned vector indexes.
  • Implemented LLM observability (traces, prompts, guardrails, metrics) to continuously improve models and prompts.
  • Integrated OpenAI, Anthropic, Gemini, and Ollama with smart routing, fallbacks, and cost controls.
  • Created reusable AI building blocks (loaders, chunkers, retrievers, rankers) to accelerate feature delivery.

AiiQ

03

Full Stack AI / Software Engineer

Remote · Las Vegas, Nevada, USA

Dec 2024 – Aug 2025

  • Built intelligent assistant frameworks on Ollama for low-latency local LLM deployments.
  • Integrated multi-model orchestration across conversational agents and internal tools.
  • Developed new marketing and product sites using modern web stacks to improve performance and scalability.
  • Designed and shipped a broker-centric framework leveraging Gemini & Google APIs to streamline operations.

Rocket Real Estate Solutions

04

Lead Full Stack Software Engineer

Remote · Sanford, North Carolina, USA

Jan 2025 – Mar 2025

  • Built Go services exposing REST/WebSocket APIs for real-time balances, quotes, and settlements.
  • Implemented a double-entry ledger on PostgreSQL with outbox pattern and background workers for audit-ready consistency.
  • Engineered wallet infra with HD key management, UTXO selection, dynamic fees, and batch sends.
  • Set up CI/CD pipelines, observability, and on-call dashboards, reducing incident triage time.

Today's Carolinian

Current
05

Full Stack Developer / Web Developer

Cebu City, Philippines

Sep 2024 – Present

  • Developed and maintained the score pages and champions page for the Today's Carolinian USC Days website, enhancing user experience and ensuring up-to-date content.
  • Collaborated on the design and implementation of dynamic features for the score pages and champions page, optimizing performance and user engagement.

Freelancer.com

06

Full Stack Developer

Remote · Sydney, Australia

Aug 2024 – Dec 2024

  • Specialized in crafting high-quality web solutions using HTML5, CSS, Bootstrap, Tailwind CSS, React.js, PHP, Laravel, Node.js, Express, and Next.js.
  • Focused on nurturing long-term relationships with regular clients while seeking additional projects to broaden experience and stay updated with industry trends.

Freelance

07

Full Stack Developer

Cebu City, Philippines

Jul 2024 – Dec 2024

  • Successfully completed four client projects, including a complex e-commerce website, client personal portfolios, company portfolios and services, and real estate website, receiving positive reviews from US-based clients.
  • Utilized React.js for front-end development and PHP with the Laravel framework for the back-end, delivering high-quality, responsive, and user-friendly applications.

Personal Projects & Small Business Clients

08

Dev Journey Start

Cebu City, Philippines

Jul 2022 – Jul 2024

  • Started building projects and freelancing for small business clients.

Skills & Tools

Technologies and systems I use to design, build, and ship production products.

AI & LLM Systems

OpenAIOpenAI
Anthropic
Google Gemini
GrokGrok
LangChain
Ollama
RAG
Semantic Search
Vector Embeddings
AI Agents
AI Governance
TensorFlow
PyTorch
Scikit-learn
Transformers.js

Product Engineering

TypeScript
JavaScript
Python
Go
PHP
React
Next.js
Vite
Vue.js
Tailwind CSS
Framer Motion
Three.js
GSAP
Node.js
FastAPI
Express.js
Laravel
REST APIs
GraphQL
WebSockets
Radix UI

Data & Infrastructure

PostgreSQL
MySQL
MongoDB
Supabase
Firebase
Drizzle ORM
Prisma
pgvector
Docker
Kubernetes
AWSAWS
GCP
AzureAzure
DigitalOcean
Vercel
GitHub Actions
CI/CD
Prometheus
Grafana

Platforms & Development Tools

Stripe
TwilioTwilio
Google APIs
Clerk
HubSpot
Git
GitHub
GitLab
Cursor
GitHub Copilot
VS CodeVS Code
Figma
PlaywrightPlaywright
Postman
n8n
Zapier
pytest
Selenium