SOFTWARE ARCHITECT & AI ENGINEER

I design enterprise systems that actually ship at scale.

15 years. 10M+ users. 300% performance gains. From architecture to production — end to end.
Let's collaborate
Willian Pinho - Software Architect & AI Engineer
15+Years Building Enterprise Systems
10M+Users on Payment Platform
300%Performance Improvement
20+Developers Led Across Projects
EXPERTISE

The full stack, from architecture to production

Architecture & Systems
Cloud & Infrastructure
Languages & Full-Stack
AI & Machine Learning
SERVICES

What I can do for your company

01

Solutions Architecture

End-to-end system design from cloud infrastructure to user interface. I design scalable architectures using modern patterns: microservices, event-driven, serverless, and cloud-native approaches that support millions of users and deliver measurable business impact.

MicroservicesEvent-DrivenCloud-Native
02

AI/ML Integration

Transform your products with intelligent features. From LLM integration and RAG systems to custom ML pipelines, I bring AI from proof-of-concept to production-ready solutions. Experienced in computer vision, real-time processing, and next-generation AI applications.

LLMsRAGLangChain
03

Technical Leadership

Build and scale high-performing engineering teams. I bring 15+ years of experience leading teams of up to 20 developers across multiple technology stacks. Expert in clean architecture, design patterns, TDD/BDD, and CI/CD best practices.

Team BuildingClean ArchitectureMentoring
04

Full-Stack Development

Deliver complete solutions using Python, TypeScript, React, and cloud technologies. From MVP to enterprise-grade systems with security and scalability built-in from day one. Proven track record across fintech, healthcare, and startup environments.

PythonTypeScriptReact
CAREER JOURNEY

15 years of progressive technical leadership

Full career details on LinkedIn
2024
Cross-Platform SDK Modernization
Senior Software Engineer & SDK Architect2024 - PresentLeading the architectural redesign and modernization of core mobile SDKs serving millions of users worldwide. Architecting next-generation Android and iOS SDKs, transitioning from legacy codebases to modern Kotlin and Swift architectures. Designing developer-centric APIs prioritizing ease of integration and intuitive usage patterns. Building AI-powered testing frameworks to improve coverage and regression detection. Owning the full development lifecycle from technical specification and system design through deployment.
SELECTED WORKFrom architecture to shipping — real systems, real impact
Enterprise
Enterprise Fintech Platform
Architected a scalable payment processing system serving 10+ million users with 99.9% uptime. Designed microservices architecture with AI-powered fraud detection and payment routing optimization.
Business Impact:300% performance improvement, 25% increase in transaction success rates
Python
Java
AWS
Microservices
Kubernetes
Machine Learning
Enterprise
Enterprise Security Architecture
Designed and implemented security architecture for a major financial institution. Created integration patterns, cybersecurity standards, and fraud prevention systems that significantly reduced security incidents.
Business Impact:Significant fraud reduction, enhanced security for millions of customers
Java
Spring Security
TypeScript
Cloud Security
Integration Patterns
Consulting
Enterprise RAG System
Built a retrieval-augmented generation system for a support team, integrating with Confluence knowledge base for intelligent ticket resolution and documentation search using LangChain and vector embeddings.
Business Impact:Automated ticket routing and resolution, reduced support response time significantly
Python
LangChain
Vector Databases
Confluence API
RAG
AWS
Consulting
Contract Lifecycle Management
Co-developed enterprise CLM platform handling contract creation, multi-step approval workflows, compliance tracking, and automated renewals for business clients.
Business Impact:End-to-end contract automation, compliance tracking, reduced manual overhead
React
Node.js
TypeScript
PostgreSQL
AWS
Consulting
Fitness & Coaching Platform
Designed and developed end-to-end mobile application enabling personalized workout plans with real-time coach support, progress tracking, and interactive exercise guidance.
Business Impact:Full product delivery from architecture to deployment
React Native
Node.js
PostgreSQL
AWS
Real-time APIs
Consulting
Private Tutoring Platform
Architected a marketplace connecting teachers and students with intelligent scheduling, session management, and integrated payment processing.
Business Impact:End-to-end marketplace from architecture to payment integration
React
Node.js
TypeScript
Stripe
PostgreSQL