~/douglas-montanus

Hi, I'm

Douglas Montanus

AI-focused Full-Stack Lead Developer and Solutions Architect with 20+ years of experience across government, logistics, retail, and SaaS. Specializes in designing and shipping AI-powered systems: multi- agent development harnesses that carry automated software development tasks from planning to deployment. Backed by deep full-stack expertise in React, Next.js, Node.js, Python/FastAPI and Java/Spring Boot. Proven leader who mentors teams through greenfield builds and legacy-to-cloud modernizations.

Professional portrait of Douglas Montanus

What I work with

AI Models

Claude (Anthropic), Gemini, Gemini Live, Gemma, Azure OpenAI

AI Engineering

Claude Code, Vertex AI, Ollama (local LLMs), RAG, Tool Calling & Structured Output, Voice Agents (LiveKit)

AI Video & Media

ComfyUI, Wan 2.2 (Image-to-Video), Flux, AnimateDiff, Kokoro / Piper TTS, Kdenlive

Languages

Python, JavaScript (ES6+), TypeScript, Java, Spring Boot

Frontend

React, Next.js, Vite, Tailwind CSS, MUI, HTML5, CSS3

Backend

Java / Spring Boot, Node.js, Express, FastAPI

AWS

Lambda, ECS, CDK, CloudFormation, API Gateway, EventBridge, EKS, RDS

Azure

AKS, App Service, Functions, Event Grid, API Management, DevOps, GPT-4

Databases

PostgreSQL, MySQL, MS SQL, MongoDB, RDS

ML & Optimization

OpenCV, Google OR-Tools

CI/CD & Tools

Azure DevOps, GitLab, Docker, Kubernetes, Infrastructure as Code

Latest posts

View all