Ferreira CTO
Fractional CTO for AI, Robotics & SaaS

Strategy, architecture, and momentum for ambitious products.

I help founders ship faster and smarter: picking the right stack, building the core architecture, and establishing processes that scale with your vision.

Specialties
AI/ML, Robotics, SaaS
Based in
Massachusetts, USA
Technical architecture visualization
What I Do

Fractional CTO that moves the needle

Hands-on technical leadership with a builder's mindset and startup experience.

Architecture & Strategy

Choose the right stack, map technical milestones, and de-risk with targeted proofs-of-concept.

MVP & Rapid Prototyping

Ship polished MVPs quickly, gather real user feedback, and iterate with data-driven priorities.

AI & Robotics Expertise

From LLM integrations to Jetson-powered robots and sophisticated edge AI processing pipelines.

SaaS Foundations & Architecture

Team Building & Process Design

Advisory & Strategic Consulting

Recent Work

Selected case studies

A showcase of recent projects that demonstrate technical depth and business impact.

Lumi — Sober Concierge Chatbot case study illustration
AIChatbotFirebaseNode.js

Lumi — Sober Concierge Chatbot

Conversational AI supporting moms with motivation, resources, and recommendations. Built with Node.js and ChatGPT API, featuring Firebase storage and extensive context memory.

Context Window
10K msgs
Channels
Web, SMS
OrbCare — Infant Health Robotics case study illustration
RoboticsJetsonEdge AILiDAR

OrbCare — Infant Health Robotics

Orb-shaped companion robot monitoring infant vitals and growth with Jetson Orin Nano, ToF LiDAR, haptic feedback, and voice assistant capabilities.

Sensors
12+
Latency
<100ms
Nanotech AI — Material Property Prediction case study illustration
MLMLOpsCloudMaterials

Nanotech AI — Material Property Prediction

AI platform predicting nanomaterial properties for genetic repair and anti-aging applications. Advanced ML pipeline design with cloud inference infrastructure.

Accuracy
94.2%
Models
15+
Chatbots-in-a-Box — Vertical AI Concierge case study illustration
SaaSAITemplatesMulti-tenant

Chatbots-in-a-Box — Vertical AI Concierge

SaaS platform providing industry-specific chatbot templates for restaurants, spas, and farms with shared models and tailored conversation flows.

Industries
8+
Templates
25+
How We Work

Clear process, fast feedback loops

Lightweight methodologies designed to maintain high momentum while ensuring quality.

01

Discovery & Audit

Deep dive into your goals, constraints, and current technical landscape to identify opportunities.

02

Strategy & Roadmap

Comprehensive architecture planning with clear milestones, risk assessment, and success metrics.

03

Build & Iterate

Ship the core product, implement analytics and monitoring, then iterate weekly based on data.

Get Started

Tell me about your project

I take on a limited number of new clients each quarter to ensure focused, high-quality engagement.

0/10 characters minimum

Typical Engagement

  • Part-time CTO (1–2 days/week) or project-based work
  • Weekly strategic check-ins with async Slack updates
  • Transparent roadmap with measurable milestones
  • Time-to-first-demo under 3 weeks for most MVPs

Technology Stack

Next.js, React, Node.js, Python, TypeScript, CUDA/Jetson, Firebase, PostgreSQL, MongoDB, AWS, GCP, Vercel, Docker, and modern AI/ML frameworks.