Vinicius Takedi

Architect AI-powered platforms for a US growth marketing agency. Co-architected ToolHub, a no-code AI agent platform where non-technical users build custom LLM tools via Claude + MCP (100% uptime, 50-60ms latency on GCP). Built Context Aware, an internal knowledge platform with MCP + semantic search that cut lookup time from 1 hour to 15-20 minutes for 120-200 people.

Engineered the FX configuration system (Rule Engine, DynamoDB, BigQuery) enabling international sellers to process 10-15M+ daily cross-border transactions across 6 countries. Built a Go test automation CLI that cut 50 critical payment scenarios from 8h manual to 2h and caught 30-35% of bugs pre-production, adopted by 3 teams. Automated cross-border settlement with regional clearing houses.

Developed and maintained high-availability, high-performance systems for a fintech serving over 15 million users across Brazil. Increased transaction processing by 75% by leading backend development of Pay with Pix Service, generating 5 million Pix QR Codes using Golang, RabbitMQ, Redis, and Kubernetes.

Developed a robust electronic invoice generation system using TypeScript, Node.js, C#, Service Bus (Pub/Sub), and MongoDB, enabling users to manage the full sales process without external tools. Led and supported multiple third-party integrations, including platforms like Mercado Libre, requiring deep familiarity with external documentation and API ecosystems.

Increased customer loyalty by 25% by developing a white-label mobile app for gas stations with React Native. Led the IoT-based fuel pump integration project, allowing users to track fueling status and costs in real time via WebSockets and TypeScript + PostgreSQL backend.

Studied Computer Science at Usjt São Paulo, focusing on core principles and advanced topics. Gained a strong foundation in software development and system architecture.

Completed a Technical Degree in Systems Development at Senai São Paulo. Acquired practical skills in system design, development, and implementation.