thiagothomas

Cofounded a conversational AI shopping assistant where users discover products by chat and check out with crypto (USDC on Solana); shipped end to end to production. Built the agent layer on the OpenAI Agents SDK with specialized agents for shopping, gift-finding, and a public shop API sharing a common tool set. Designed a non-custodial crypto checkout via Crossmint: the backend prepares an unsigned transaction and the user’s wallet signs client-side. Built dual-catalog search across Amazon and Shopify, SSE streaming, and a public x402 API for third-party integrations.

Won the Solana Mobile Hackathon – selected among 10 winners from 276 submissions and 1,000+ signups. Built crypto payment rails with Coinbase Onramp API and USDC integration, enabling crypto checkout for Amazon and Shopify. Architected LLM orchestration layer with multi-provider failover and one-click deployment pipeline for Dockerized autonomous agents with vector stores. Shipped full-stack Web3 platform with wallet-connect, on-chain transaction signing, and Twitter-to-NFT minting.

Shipped full-stack applications for SAP Ariba Guided Sourcing using Java, Spring Boot, Angular, and SQL, with automated testing via Katalon. Built a new procurement application for SAP Ariba Category Management using Java, Spring Boot, TypeScript, UI5, CAP, and BTP. Drove cross-functional collaboration with engineering teams across the USA, India, and Brazil to deliver enterprise procurement features. Designed automated tenant provisioning and seamless app integration across the Ariba suite, reducing manual onboarding effort.

Built Open Banking microservices for Itaú Unibanco using Java, Spring Boot, and hexagonal architecture, with AWS SQS-based messaging for real-time transaction processing.

Developed an enterprise SSO portal with Java and Spring Boot, with Jenkins CI/CD pipelines deployed on OpenShift in Agile/Scrum workflows.