20 Years of Engineering Excellence.
AI Adoption Expert.

Fractional CTO & AI Strategy Architect helping HealthTech and high-growth companies scale with secure, agentic AI ecosystems.

Oscar Caldeira

Stack

Technical Leadership

Credmark Badge

Validated by

Credmark

Validated Excellence & Certifications

Why Work With Me?

In a market saturated with developers, I offer a unique combination of technical excellence and strategic vision.

Speed & Efficiency

I don't waste time on bureaucracy. I use agile methodologies and modern tools to deliver value from the very first week.

Bulletproof Code

Security and scalability are non-negotiable. I write robust software designed to support your business growth.

Transparent Communication

You'll speak directly with me, no intermediaries. Clear reports, constant updates, and radical honesty.

Results-Driven Focus

I don't sell lines of code; I sell solutions to business problems. Every technical decision is aligned with your ROI.

My Story

More than just code,
I build digital legacies.

It all started with an insatiable curiosity to understand how things work. That spark led me to graduate with Honors in Systems Engineering, but the degree was just the beginning.

Throughout my career, I've gone from writing my first lines of code to leading multidisciplinary teams on international projects. I've been a Full Stack Developer, Technical Manager, and Founder.

Today, my passion lies at the intersection of human creativity and the power of Artificial Intelligence. I don't just look to "finish the ticket"; I seek to create solutions that transform how businesses operate and grow.

Madeira, Portugal
Coffee Lover
Problem Solver

+20 Years

of Professional Experience

I've navigated the entire software lifecycle, from early-stage startups to large corporations.

Excellence

Academic & Technical

Graduated with honors. My commitment to quality is reflected in every architecture I design and every team I lead.

Fractional CTO & Strategy

Strategic leadership to scale technology without technical debt.

AI Roadmap & Readiness

I design AI adoption strategies for the next 24 months, aligning technical development with financial goals.

Fractional CTO Leadership

Technical direction for Series A/B startups. Team management, architecture auditing, and development speed optimization (up to +25%).

HealthTech Compliance (HIPAA/FHIR)

Specialist in secure healthcare architectures. I ensure your AI innovation meets global interoperability standards.

The 20-Year Evolution

Construction of a veteran skillset.

2025-2026

AI-Driven Development & Agentic RAG

ACIN / I-parque & Qhali

Leading the autonomous agent revolution. Implementation of advanced RAG systems and workflow orchestration with LangGraph for enterprise automation.

LangGraphOpenAI o1Vector DBs
2022-2024

HealthTech Scaling & Interoperability

Referwell

Scaling digital health platform in the US. Implementation of FHIR/HL7 interoperability standards and cloud architecture optimization for HIPAA compliance.

FHIRAWSNext.js
2016-2021

Full-Stack Leadership & Scalable CRM

Various High-Growth Startups

Architecture of complex CRM systems and leadership of distributed teams. Migration from monoliths to microservices and system performance improvement by 300%.

ReactNode.jsMicroservices
2005-2015

The Foundation

PDVSA / Early Tech

From Augmented Reality in EdTech to critical industrial systems. A decade building solid foundations in software engineering and large-scale project management.

Systems EngineeringIndustrial IoT.NET

The Modern AI Stack

Deep mastery of the tools powering the next generation of software.

Core Engineering

Python (FastAPI)
TypeScript (NestJS)
Node.js
React/Next.js

AI Engine & LLMs

LangGraph
RAG Systems
OpenAI o1/GPT-4
Gemini 1.5 Pro
Claude 3.5 Sonnet

Infrastructure & Ops

Azure AI
AWS
Docker
n8n (Automation)
Kubernetes

Data & Protocols

Vector DBs (Pinecone)
PostgreSQL
FHIR/HL7
Redis

Stop guessing. Start scaling.

Partner with a veteran technical leader.