Lucas Caldas
Backend Engineering · AI Automation · GCP

Building reliable systems.
Solving complex problems.

Lucas Caldas

I build with quality, earn trust through consistency, and solve hard problems with clear and reliable execution.

Backend EngineeringAI Agents & AutomationCloud Architecture / GCPMLOps & Data Pipelines
See Delivery Cases Architecture Approach
Delivery Pipeline
ACTIVE

Outcome Focus

Reliable backend systems and automated decision flowsArchitected for scale, observability, and fast iteration

Core Expertise

  • ›Backend Engineering
  • ›AI Agents & Automation
  • ›Cloud Architecture / GCP
  • ›MLOps & Data Pipelines

Active Stack

Python · C# · TypeScript

GCP · Vertex AI · ADK

MLOps · Airflow DAGs · Apache

Describe your challenge and discover relevant solutions.

Scroll
Domains

Areas of expertise

Backend Engineering

Java, Python and .NET/C# services with resilient APIs, asynchronous workloads, and high-availability architecture.

AI Agents & Automation

Multi-agent workflows with ADK, Vertex AI, and MCP integrations to automate business operations end-to-end.

Cloud Architecture / GCP

Cloud Run, BigQuery, Pub/Sub, IAM, and serverless-first platform design that scales with predictable cost and reliability.

MLOps & Data Pipelines

Orchestrated pipelines with Airflow DAGs, model lifecycle operations, and production-ready ML systems that stay observable.

Selected Projects

Featured work

All projects
AI Agents

AI Agents with ADK

Intelligent agents integrated into the GCP ecosystem via MCP Toolbox

PythonADKVertex AICloud Run
Case study
Payment Systems

Payment Integration Platform

Stripe event-driven: checkout, subscriptions, and lifecycle management

PythonStripeWebhooksPostgreSQL
Case study
Payment Systems

GPOS Payment System

.NET/C# backend for PIX and cards with mTLS authentication

.NETC#PIXmTLS
Case study
Labs

Technical demos, live.

Labs is where architecture becomes interactive. Agentic workflows, data pipelines, and system simulations shown as running systems, not slides.

Explore Labs
Agent Pipeline · ADK + MCP
User Query ↓ ADK Orchestrator ↓ MCP Toolbox (Jira / Looker / BQ) ↓ Vertex AI (Gemini) ↓ Tool Call: [search, query, fetch] ↓ Response + Citations
About

I work at the intersection of software engineering, cloud infrastructure, and applied AI. My focus is building systems that perform in production and scale under real constraints.

How I build

Let's talk

Available for senior engineering positions and architecture consulting.

Get in touch