Carlos Flores - Digital Builder

About Me

I'm a full-stack engineer specializing in AI-driven cloud platforms. Over the last 10 years, I've delivered production systems serving thousands of users, built RAG pipelines with sub-200ms response times, and mentored teams to ship quality code faster.

What I Build

Scalable Java & Spring Boot platforms handling enterprise workloads
Modern React frontends with Redux state management
AI-powered automation systems using LangChain4j and Spring AI
Cloud infrastructure on AWS, GCP, and DigitalOcean with CI/CD pipelines

Current Focus

Production-ready RAG system deployed in GCP
PostgreSQL + Redis for semantic search with tenant-scoped embedding indices
Kubernetes deploys for scalable, observable, fault-tolerant systems
Open-source tools extending developer productivity with LLMs

Null Coast Holdings

Creative lab for AI engineering and automation experiments
E-commerce brand with automated design-to-publish workflows
Self-hosted IoT systems and network infrastructure
Intelligent web apps combining data, design, and distributed systems

How I Work

Agile & Scrum methodologies with cross-functional teams
Mentoring engineers through code reviews and pair programming
Test-driven development with comprehensive coverage
Curiosity-driven learning and continuous improvement

Skills & Expertise

Java & Spring Ecosystem

Enterprise Java development with Spring Boot, Spring Batch, and microservices architecture

Frontend Development

Modern React applications with state management and responsive design

React Redux JavaScript Node.js

Cloud & DevOps

Cloud platform deployment, containerization, and CI/CD pipeline automation

AWS OpenShift Jenkins Git Digital Ocean Kubernetes Docker GCP

Data & AI Systems

RAG systems, vector databases, and semantic search with LLMs

PostgreSQL Redis LangChain4j H2

Agile & Scrum

Agile methodologies, team collaboration, and software delivery best practices

Scrum Jira TDD Pair Programming Mentorship

API & Integration

RESTful services, API design, and third-party integrations

REST APIs GraphQL Swagger Postman

Featured Projects

Faux Threads

Independent streetwear brand blending art, humor, and social commentary through bold apparel. Built a fully automated design-to-publish pipeline using Shopify, Printful, and custom n8n workflows that handles product creation, image uploads, pricing logic, and metadata generation.

Shopify GraphQL API Printful API n8n E-commerce Automation AI-assisted Design

BYO RAG System

Production-ready microservices RAG platform deployed on GCP: multi-tenant auth, Redis vector search, GKE orchestration, and Flyway migrations. Cloud-native infrastructure with 74 test files covering unit, integration, and E2E scenarios.

Java Spring Boot 3 Spring AI GCP GKE Redis Kafka Docker

RAG Frontend

React 18 + TypeScript chat UI with dark/light mode, responsive layout, and streaming messages. Pairs with the BYO RAG backend via a simple `/api/chat` contract.

React TypeScript Vite Lucide

This Website

Modern, responsive portfolio website with dark/light theme toggle and production-grade nginx configuration. Features GitHub Actions CI/CD deployment to DigitalOcean, comprehensive security headers, HTTP/2, and automated SSL with Let's Encrypt.

HTML5 CSS3 JavaScript Nginx DigitalOcean GitHub Actions Let's Encrypt

Personal Web Forms

A set of lightweight, mobile-friendly forms that log daily behaviors to Google Sheets. Built to track energy impact and five wealth dimensions for quick feedback loops.

HTML JavaScript Google Apps Script Google Sheets

Let's Build Something Together

Looking for a full-stack engineer to join your team? I'm available for full-time opportunities and contract work.

Or reach out directly:

Email Me LinkedIn GitHub

Hi, I'm Carlos Flores