Arthur Bezerra
Open to remote and global opportunities

I build robust, scalable AI products ready for production.

Full-stack developer specializing in AI solutions: Python, Node.js, LangChain, AWS, Next.js & React. Production systems with 500+ daily users, 99.9% uptime, and event-driven automation.

PythonNode.jsLangChainAWSNext.jsReact

About

Over two years of experience creating AI-powered automation systems and scalable healthcare solutions. Proficient in workflow orchestration with n8n, LLM integrations with LangChain and LangGraph, and modern full-stack development. Achievements include supporting over 500 daily users, maintaining 99.9% uptime, and reducing operational costs by 60%. Specialized in event-driven architectures, CI/CD pipelines, and seamless AI integration, with proven experience collaborating with international teams in remote settings.

500+ daily users99.9% uptime60% cost reduction

Experience

Full Stack Developer | Automation Engineer

@ Vicentimmed

Rio Grande do Norte, Brazil · 03/2025 – Current

  • Engineered n8n automation workflows for 500+ daily users in healthcare, reducing operational costs by 60%.
  • Implemented AI API integrations (Gemini, OpenAI, Claude) with LangChain/LangGraph and RAG, reducing patient processing from 15 min to 45 sec.
  • Developed full-stack apps (Next.js, React, Vue.js, Node.js) with WebSockets, JWT/OAuth 2.0, Stripe; 35% e-commerce conversion increase.
  • Optimized PostgreSQL/Supabase and APIs (FastAPI, Express) with Redis caching; 60% response time reduction.
  • WhatsApp integrations (Uazapi, Evolution API) with RabbitMQ/BullMQ; 80% scheduling automation, 40% no-show reduction.
  • CI/CD with GitHub Actions and Docker; deployment time from 4 hours to 15 minutes.

Node.js, TypeScript, Python, FastAPI, Django, Next.js, React, Vue.js, n8n, LangChain, LangGraph, PostgreSQL, Redis, RabbitMQ, Docker, AWS

Automation Developer | Full Stack Engineer

@ Cachina

Brazil (Remote) · 01/2025 – 02/2025

  • Created n8n workflows reducing manual work by 40 hours/month across client organizations.
  • Built automation systems with Python, Django, FastAPI; RESTful APIs and database integrations.
  • Message queue systems (RabbitMQ, BullMQ) for high-volume asynchronous processing.

Python, Django, FastAPI, n8n, RabbitMQ, PostgreSQL, GitHub Actions, Docker

Featured Projects

WhatsApp E-commerce Platform

WhatsApp E-commerce Platform

Full-stack e-commerce with AI-powered customer service, JWT/RBAC auth, automated invoicing, real-time order tracking, and monitoring dashboard.

Next.jsNode.jsFastAPIGemini AISupabaseStripeRedisWebSockets
  • 35% conversion increase
  • 50% support reduction via AI
  • High-volume daily transactions
nossocloset.com
Medical Clinic Automation
Live

AI Triage

24/7 · OpenAI

Scheduling

-40% no-show

500+ patients

daily

99.9%

uptime

n8nRAGEHRRabbitMQ
LGPD · HIPAA compliant

Medical Clinic Automation System

Enterprise 24/7 automation for 500+ patients: AI triage, intelligent scheduling, EHR integration, LGPD/HIPAA compliant.

n8nPythonDjangoFastAPISupabaseOpenAIRabbitMQ
  • 40% no-show reduction
  • 80% task automation
  • 99.9% uptime
Case study
Healthcare Operations
Live
247

Today

appointments

12

Active

teams

8

Workflows

running

4m

Avg wait

response

Metrics · Last 7 days

Today
  • 09:00 · Room 2
  • 10:30 · Room 1
  • 11:00 · Room 3
  • 14:00 · Room 2
WebSockets · Vue.js · NodePostgreSQL · Redis

Healthcare Operations Dashboard

Real-time dashboard for healthcare operations: metrics, scheduling overview, and workflow status. Used by internal teams for daily monitoring.

Vue.jsNode.jsWebSocketsPostgreSQLRedis
  • Real-time updates
  • Single source of truth
  • Faster decision-making
Em breve
Ask anything... docs, runbooks
Answer
Docs
pgvector
RAG
LangChain · OpenAI · Next.js

RAG-Powered Internal Knowledge Base

Internal Q&A and document search with RAG. Embeddings and vector search for technical docs and runbooks.

LangChainpgvectorFastAPINext.jsOpenAI
  • Faster onboarding
  • Accurate answers
  • Less repetitive questions
Em breve
GitHub ActionsDocker · AWS
Push
Build
Test
Deploy
4h → 15 min deploy

CI/CD Pipeline & Deploy Automation

Pipeline from push to production: build, test, and deploy. Reduced deployment time from 4 hours to 15 minutes.

GitHub ActionsDockerAWSNginxLinux
  • 4h → 15 min deploy
  • Consistent releases
  • Zero-downtime
Em breve
RSS Content Producer
Auto

Sources

  • TechCrunch
  • Dev.to
  • HN Top
  • RSS Feed 4

Generated content

Article title from feed...

Summary and excerpt for blog & social...

Schedule: Today 14:00

Publish to

Blog

Post

LinkedIn

Ready

Instagram

Ready

RSSProcessBlog · LinkedIn · IG

RSS Content Producer

Automated content production from RSS feeds for blog, LinkedIn, and Instagram. Curated summaries and scheduled publishing.

RSSAutomationPythonAPIsScheduling
  • Content from feeds
  • Blog + LinkedIn + IG
  • Scheduled publishing
Em breve

Skills

Backend & Automation

  • Node.js
  • TypeScript
  • Python
  • Django
  • FastAPI
  • Express.js
  • n8n
  • MongoDB
  • Redis
  • RabbitMQ
  • BullMQ
  • WebSockets
  • Prisma
  • RESTful APIs

AI & ML

  • LangChain
  • LangGraph
  • OpenAI GPT-4
  • Gemini AI
  • Claude
  • Prompt Engineering
  • RAG
  • pgvector
  • Pinecone
  • NLP

Databases

  • MongoDB
  • PostgreSQL
  • Supabase
  • NoSQL

Frontend

  • React
  • Next.js (SSR/SSG/ISR)
  • Vue.js
  • Tailwind CSS
  • Shadcn/ui
  • Zustand
  • Redux
  • React Query
  • Responsive design

DevOps

  • AWS (EC2, S3, Lambda, RDS)
  • Docker
  • Kubernetes
  • CI/CD (GitHub Actions)
  • Prometheus
  • Grafana
  • Nginx
  • Linux

Architecture & Practice

  • Microservices
  • Event-Driven
  • Serverless
  • Clean Architecture
  • SOLID
  • TDD
  • Agile/Scrum

Integration

  • REST
  • GraphQL
  • OAuth 2.0
  • JWT
  • WhatsApp APIs
  • Stripe

Certifications

AI & Automation Manager Practitioner

Flowgrammers (Powered by ED)

ID: FLOW-Tbw3cm

n8n Official Level 2 Certification

n8n

Education

Bachelor of Engineering: Software Engineering

Instituto Infnet

Rio de Janeiro, Brazil · 04/2024

  • Career transition: Medicine → Technology (2022–2024).
  • Intensive self-taught learning in Automation, AI, and Full Stack.
  • Production experience 2024–2025: 2 years building systems in healthcare and e-commerce.

Languages

Portuguese · NativeEnglish · FluentSpanish · FluentGerman · Intermediate

Contact

arthur@vicentimmed.com.br+55 84 994198787
Natal, 59086-005 Brazil
UTC-3· Immediate start

Global relocation and remote opportunities