01
Python & Backend Engineering
Scalable APIs, asynchronous processing, integrations and data pipelines for production workloads.
PythonFastAPIDjangoFlaskSQLAlchemyCeleryRESTGraphQLKafka
Senior Software Engineer · São Paulo, Brazil
Pedro Henrique MattielloSenior Python & AI Engineer
Full-Stack Development, Generative AI, AWS Cloud Architecture & Technical Leadership.
I am a hands-on software engineer and tech lead with 8+ years of experience building scalable Python applications, AI-powered products, SaaS platforms and cloud-native systems. I work across backend, frontend and AWS architecture, translating business goals into reliable production software and guiding engineering teams through delivery.
- Experience
- 8+ years
- AWS
- 3 credentials
- Focus
- Python · AI · Full-Stack
Capabilities
Engineering expertise
Production experience from product discovery and system design to implementation, observability and cloud operations.
02
AI Engineering
Generative AI systems with agents, RAG, guardrails, vector search and observable LLM workflows.
LLMsRAGLangGraphLangChainAI AgentsGuardrailsLangfuse
03
Full-Stack Development
End-to-end product engineering across backend services, web applications and user-facing platforms.
Vue.jsReactNext.jsNuxtTypeScriptNode.jsNestJS
04
AWS & Technical Leadership
Cloud architecture, cost optimization, CI/CD, observability, system design and team guidance.
AWSECSEC2LambdaRDSS3DockerCI/CDSystem Design
Outcomes
Selected impact
Concrete outcomes from products and teams I contributed to, described with the scope of my responsibility.
10K → 60K
Multi-LLM platform growth
As an early Adapta engineer, I contributed to platform evolution and scalability while its user base grew from 10,000 to 60,000.
>80%
AWS infrastructure cost reduction
I led the migration from Vercel to AWS, evolved workloads from EC2 to ECS and structured CI/CD, reducing infrastructure costs by more than 80%.
0 → 5K+
Product built from zero
As China Fácil co-founder and Head of Technology, I led technical and product decisions for a platform that reached more than 5,000 users.
10K+
Users on an owned AI product
I created BrGPT, Brazil’s first ChatGPT integration with WhatsApp, which evolved into a multi-model platform and surpassed 10,000 users.
16,278
Automated digital-item sales
Steam BOT operated profitably for more than three years, generating over R$2,500 in net monthly income and approximately R$90,000 in estimated lifetime net profit.
Independent products
Independent projects I built and operated
Career
Recent professional experience
Selected recent roles across financial systems, AI platforms and SaaS products. Earlier experience is intentionally omitted to keep the profile concise.
03/2026 — Present
Itaú Unibanco
Tech Lead | Senior Software Engineer
Technical leadership for macroeconomics solutions using Python, C#, React, Kafka and AWS data services.
01/2025 — 03/2026
China Fácil
Tech Lead | Senior Full-Stack Engineer
Co-founder and Head of Technology responsible for product discovery, architecture and delivery of a marketplace and AI concierge.
03/2024 — 12/2024
Adapta
Full-Stack Engineer | AI Engineer
Core platform engineering, AI agents, RAG, guardrails, AWS migration, observability and performance.
08/2020 — 02/2024
Mirror Sistemas
Tech Lead | Full-Stack Engineer
Technical leadership across SaaS, integrations, automation and AI applications delivered to more than 35 clients.
Verification
Professional proof
Public profiles, certifications and independent references that make my experience verifiable.
Certifications
São Paulo, SP, Brazil